diff options
Diffstat (limited to 'libio')
62 files changed, 1739 insertions, 528 deletions
diff --git a/libio/Makefile b/libio/Makefile index a97623f14a..553fbda74a 100644 --- a/libio/Makefile +++ b/libio/Makefile @@ -1,4 +1,4 @@ -# Copyright (C) 1995-2002, 2003, 2004 Free Software Foundation, Inc. +# Copyright (C) 1995-2002,2003,2004,2006 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or @@ -22,7 +22,7 @@ subdir := libio headers := stdio.h libio.h _G_config.h bits/stdio.h bits/stdio-lock.h \ - bits/sys_errlist.h bits/stdio2.h + bits/sys_errlist.h bits/stdio2.h bits/stdio-ldbl.h bits/libio-ldbl.h routines := \ filedoalloc iofclose iofdopen iofflush iofgetpos iofgets iofopen \ @@ -35,7 +35,7 @@ routines := \ iofputws iofputws_u iogetwline iowpadn ioungetwc putwc putwc_u \ putwchar putwchar_u putchar putchar_u fwprintf swprintf vwprintf \ wprintf wscanf fwscanf vwscanf vswprintf iovswscanf swscanf wgenops \ - wstrops wfileops iofwide fwide \ + wstrops wfileops iofwide fwide wmemstream \ \ clearerr feof ferror fileno fputc freopen fseek getc getchar \ memstream pclose putc putchar rewind setbuf setlinebuf vasprintf \ @@ -54,7 +54,11 @@ tests = tst_swprintf tst_wprintf tst_swscanf tst_wscanf tst_getwc tst_putwc \ tst-freopen bug-rewind bug-rewind2 bug-ungetc bug-fseek \ tst-mmap-eofsync tst-mmap-fflushsync bug-mmap-fflush \ tst-mmap2-eofsync tst-mmap-offend bug-fopena+ bug-wfflush \ - bug-ungetc2 bug-ftell bug-ungetc3 bug-ungetc4 + bug-ungetc2 bug-ftell bug-ungetc3 bug-ungetc4 tst-fopenloc2 \ + tst-memstream1 tst-memstream2 \ + tst-wmemstream1 tst-wmemstream2 \ + bug-memstream1 bug-wmemstream1 \ + tst-setvbuf1 test-srcs = test-freopen all: # Make this the default target; it will be defined in Rules. diff --git a/libio/Versions b/libio/Versions index c870494872..e7a96daca5 100644 --- a/libio/Versions +++ b/libio/Versions @@ -145,6 +145,9 @@ libc { # w* wprintf; wscanf; } + GLIBC_2.4 { + open_wmemstream; + } GLIBC_PRIVATE { # Used by NPTL and librt __libc_fatal; diff --git a/libio/bits/libio-ldbl.h b/libio/bits/libio-ldbl.h new file mode 100644 index 0000000000..8674bcb0b8 --- /dev/null +++ b/libio/bits/libio-ldbl.h @@ -0,0 +1,25 @@ +/* -mlong-double-64 compatibility mode for libio functions. + Copyright (C) 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _IO_STDIO_H +# error "Never include <bits/libio-ldbl.h> directly; use <libio.h> instead." +#endif + +__LDBL_REDIR_DECL (_IO_vfscanf) +__LDBL_REDIR_DECL (_IO_vfprintf) diff --git a/libio/bits/stdio-ldbl.h b/libio/bits/stdio-ldbl.h new file mode 100644 index 0000000000..7a4291225e --- /dev/null +++ b/libio/bits/stdio-ldbl.h @@ -0,0 +1,74 @@ +/* -mlong-double-64 compatibility mode for stdio functions. + Copyright (C) 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _STDIO_H +# error "Never include <bits/stdio-ldbl.h> directly; use <stdio.h> instead." +#endif + +__BEGIN_NAMESPACE_STD +__LDBL_REDIR_DECL (fprintf) +__LDBL_REDIR_DECL (printf) +__LDBL_REDIR_DECL (sprintf) +__LDBL_REDIR_DECL (vfprintf) +__LDBL_REDIR_DECL (vprintf) +__LDBL_REDIR_DECL (vsprintf) +__LDBL_REDIR_DECL (fscanf) +__LDBL_REDIR_DECL (scanf) +__LDBL_REDIR_DECL (sscanf) +__END_NAMESPACE_STD + +#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98 +__BEGIN_NAMESPACE_C99 +__LDBL_REDIR_DECL (snprintf) +__LDBL_REDIR_DECL (vsnprintf) +__END_NAMESPACE_C99 +#endif + +#ifdef __USE_ISOC99 +__BEGIN_NAMESPACE_C99 +__LDBL_REDIR_DECL (vfscanf) +__LDBL_REDIR_DECL (vsscanf) +__LDBL_REDIR_DECL (vscanf) +__END_NAMESPACE_C99 +#endif + +#ifdef __USE_GNU +__LDBL_REDIR_DECL (vdprintf) +__LDBL_REDIR_DECL (dprintf) +__LDBL_REDIR_DECL (vasprintf) +__LDBL_REDIR_DECL (__asprintf) +__LDBL_REDIR_DECL (asprintf) +__LDBL_REDIR_DECL (obstack_printf) +__LDBL_REDIR_DECL (obstack_vprintf) +#endif + +#if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus +__LDBL_REDIR_DECL (__sprintf_chk) +__LDBL_REDIR_DECL (__vsprintf_chk) +# if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98 +__LDBL_REDIR_DECL (__snprintf_chk) +__LDBL_REDIR_DECL (__vsnprintf_chk) +# endif +# if __USE_FORTIFY_LEVEL > 1 +__LDBL_REDIR_DECL (__fprintf_chk) +__LDBL_REDIR_DECL (__printf_chk) +__LDBL_REDIR_DECL (__vfprintf_chk) +__LDBL_REDIR_DECL (__vprintf_chk) +# endif +#endif diff --git a/libio/bits/stdio.h b/libio/bits/stdio.h index 9e951ad8e4..2d44fad1f5 100644 --- a/libio/bits/stdio.h +++ b/libio/bits/stdio.h @@ -1,5 +1,5 @@ /* Optimizing macros and inline functions for stdio functions. - Copyright (C) 1998, 2000, 2001, 2004 Free Software Foundation, Inc. + Copyright (C) 1998, 2000, 2001, 2004, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -44,6 +44,16 @@ getchar (void) } +# ifdef __USE_MISC +/* Faster version when locking is not necessary. */ +__STDIO_INLINE int +fgetc_unlocked (FILE *__fp) +{ + return _IO_getc_unlocked (__fp); +} +# endif /* misc */ + + # if defined __USE_POSIX || defined __USE_MISC /* This is defined in POSIX.1:1996. */ __STDIO_INLINE int diff --git a/libio/bits/stdio2.h b/libio/bits/stdio2.h index acf07ea91b..f1d745c699 100644 --- a/libio/bits/stdio2.h +++ b/libio/bits/stdio2.h @@ -1,5 +1,5 @@ /* Checking macros for stdio functions. - Copyright (C) 2004 Free Software Foundation, Inc. + Copyright (C) 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -49,7 +49,7 @@ extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag, __builtin___vsnprintf_chk (str, len, __USE_FORTIFY_LEVEL - 1, __bos (str), \ fmt, ap) -#endif +#endif #if __USE_FORTIFY_LEVEL > 1 @@ -61,18 +61,67 @@ extern int __vfprintf_chk (FILE *__restrict __stream, int __flag, extern int __vprintf_chk (int __flag, __const char *__restrict __format, _G_va_list __ap); -# define printf(...) \ +# if __GNUC_PREREQ (4, 0) +# define printf(...) \ __printf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__) -# define fprintf(stream, ...) \ +# define fprintf(stream, ...) \ __fprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__) -# define vprintf(format, ap) \ +# define vprintf(format, ap) \ __vprintf_chk (__USE_FORTIFY_LEVEL - 1, format, ap) -# define vfprintf(stream, format, ap) \ +# define vfprintf(stream, format, ap) \ __vfprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, format, ap) +# else +# define printf(...) \ + __builtin___printf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__) +# define fprintf(stream, ...) \ + __builtin___fprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__) +# define vprintf(format, ap) \ + __builtin___vprintf_chk (__USE_FORTIFY_LEVEL - 1, format, ap) +# define vfprintf(stream, format, ap) \ + __builtin___vfprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, format, ap) +# endif #endif -extern char *__gets_chk (char *__str, size_t); -#define gets(__str) \ - ((__bos (__str) == (size_t) -1) \ - ? (gets) (__str) : __gets_chk (__str, __bos (__str))) +extern char *__gets_chk (char *__str, size_t) __wur; +extern char *__REDIRECT (__gets_alias, (char *__str), gets) __wur; + +extern __always_inline __wur char * +gets (char *__str) +{ + if (__bos (__str) != (size_t) -1) + return __gets_chk (__str, __bos (__str)); + return __gets_alias (__str); +} + +extern char *__fgets_chk (char *__restrict __s, size_t __size, int __n, + FILE *__restrict __stream) __wur; +extern char *__REDIRECT (__fgets_alias, + (char *__restrict __s, int __n, + FILE *__restrict __stream), fgets) __wur; + +extern __always_inline __wur char * +fgets (char *__restrict __s, int __n, FILE *__restrict __stream) +{ + if (__bos (__s) != (size_t) -1 + && (!__builtin_constant_p (__n) || (size_t) __n > __bos (__s))) + return __fgets_chk (__s, __bos (__s), __n, __stream); + return __fgets_alias (__s, __n, __stream); +} + +#ifdef __USE_GNU +extern char *__fgets_unlocked_chk (char *__restrict __s, size_t __size, + int __n, FILE *__restrict __stream) __wur; +extern char *__REDIRECT (__fgets_unlocked_alias, + (char *__restrict __s, int __n, + FILE *__restrict __stream), fgets_unlocked) __wur; + +extern __always_inline __wur char * +fgets_unlocked (char *__restrict __s, int __n, FILE *__restrict __stream) +{ + if (__bos (__s) != (size_t) -1 + && (!__builtin_constant_p (__n) || (size_t) __n > __bos (__s))) + return __fgets_unlocked_chk (__s, __bos (__s), __n, __stream); + return __fgets_unlocked_alias (__s, __n, __stream); +} +#endif diff --git a/libio/bug-memstream1.c b/libio/bug-memstream1.c new file mode 100644 index 0000000000..8af36fee2d --- /dev/null +++ b/libio/bug-memstream1.c @@ -0,0 +1,133 @@ +#include <stdio.h> +#include <string.h> + + +static int +do_test (void) +{ + size_t size; + char *buf; + FILE *fp = open_memstream (&buf, &size); + if (fp == NULL) + { + puts ("open_memstream failed"); + return 1; + } + + off64_t off = ftello64 (fp); + if (off != 0) + { + puts ("initial position wrong"); + return 1; + } + + if (fseek (fp, 32768, SEEK_SET) != 0) + { + puts ("fseek failed"); + return 1; + } + + if (fputs ("foo", fp) == EOF) + { + puts ("fputs failed"); + return 1; + } + + if (fclose (fp) == EOF) + { + puts ("fclose failed"); + return 1; + } + + if (size != 32768 + 3) + { + printf ("expected size %d, got %zu\n", 32768 + 3, size); + return 1; + } + + for (int i = 0; i < 32768; ++i) + if (buf[i] != '\0') + { + printf ("byte at offset %d is %#hhx\n", i, buf[i]); + return 1; + } + + if (memcmp (buf + 32768, "foo", 3) != 0) + { + puts ("written string incorrect"); + return 1; + } + + /* Mark the buffer. */ + memset (buf, 'A', size); + free (buf); + + /* Try again, this time with write mode enabled before the seek. */ + fp = open_memstream (&buf, &size); + if (fp == NULL) + { + puts ("2nd open_memstream failed"); + return 1; + } + + off = ftello64 (fp); + if (off != 0) + { + puts ("2nd initial position wrong"); + return 1; + } + + if (fputs ("bar", fp) == EOF) + { + puts ("2nd fputs failed"); + return 1; + } + + if (fseek (fp, 32768, SEEK_SET) != 0) + { + puts ("2nd fseek failed"); + return 1; + } + + if (fputs ("foo", fp) == EOF) + { + puts ("3rd fputs failed"); + return 1; + } + + if (fclose (fp) == EOF) + { + puts ("2nd fclose failed"); + return 1; + } + + if (size != 32768 + 3) + { + printf ("2nd expected size %d, got %zu\n", 32768 + 3, size); + return 1; + } + + if (memcmp (buf, "bar", 3) != 0) + { + puts ("initial string incorrect in 2nd try"); + return 1; + } + + for (int i = 3; i < 32768; ++i) + if (buf[i] != '\0') + { + printf ("byte at offset %d is %#hhx in 2nd try\n", i, buf[i]); + return 1; + } + + if (memcmp (buf + 32768, "foo", 3) != 0) + { + puts ("written string incorrect in 2nd try"); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/libio/bug-wmemstream1.c b/libio/bug-wmemstream1.c new file mode 100644 index 0000000000..22d67f71e9 --- /dev/null +++ b/libio/bug-wmemstream1.c @@ -0,0 +1,136 @@ +#include <stdio.h> +#include <string.h> +#include <wchar.h> + + +static int +do_test (void) +{ + size_t size; + wchar_t *buf; + FILE *fp = open_wmemstream (&buf, &size); + if (fp == NULL) + { + puts ("open_wmemstream failed"); + return 1; + } + + off64_t off = ftello64 (fp); + if (off != 0) + { + puts ("initial position wrong"); + return 1; + } + + if (fseek (fp, 32768, SEEK_SET) != 0) + { + puts ("fseek failed"); + return 1; + } + + if (fputws (L"foo", fp) == EOF) + { + puts ("fputws failed"); + return 1; + } + + if (fclose (fp) == EOF) + { + puts ("fclose failed"); + return 1; + } + + if (size != 32768 + 3) + { + printf ("expected size %d, got %zu\n", 32768 + 3, size); + return 1; + } + + for (int i = 0; i < 32768; ++i) + if (buf[i] != L'\0') + { + printf ("wide character at offset %d is %#x\n", + i, (unsigned int) buf[i]); + return 1; + } + + if (wmemcmp (buf + 32768, L"foo", 3) != 0) + { + puts ("written string incorrect"); + return 1; + } + + /* Mark the buffer. */ + wmemset (buf, L'A', size); + free (buf); + + /* Try again, this time with write mode enabled before the seek. */ + fp = open_wmemstream (&buf, &size); + if (fp == NULL) + { + puts ("2nd open_wmemstream failed"); + return 1; + } + + off = ftello64 (fp); + if (off != 0) + { + puts ("2nd initial position wrong"); + return 1; + } + + if (fputws (L"bar", fp) == EOF) + { + puts ("2nd fputws failed"); + return 1; + } + + if (fseek (fp, 32768, SEEK_SET) != 0) + { + puts ("2nd fseek failed"); + return 1; + } + + if (fputws (L"foo", fp) == EOF) + { + puts ("3rd fputws failed"); + return 1; + } + + if (fclose (fp) == EOF) + { + puts ("2nd fclose failed"); + return 1; + } + + if (size != 32768 + 3) + { + printf ("2nd expected size %d, got %zu\n", 32768 + 3, size); + return 1; + } + + if (wmemcmp (buf, L"bar", 3) != 0) + { + puts ("initial string incorrect in 2nd try"); + return 1; + } + + for (int i = 3; i < 32768; ++i) + if (buf[i] != L'\0') + { + printf ("wide character at offset %d is %#x in 2nd try\n", + i, (unsigned int) buf[i]); + return 1; + } + + if (wmemcmp (buf + 32768, L"foo", 3) != 0) + { + puts ("written string incorrect in 2nd try"); + return 1; + } + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/libio/fileops.c b/libio/fileops.c index 19151cf188..886b3729c3 100644 --- a/libio/fileops.c +++ b/libio/fileops.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993, 1995, 1997-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1995, 1997-2005, 2006, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Per Bothner <bothner@cygnus.com>. @@ -174,14 +175,8 @@ _IO_new_file_close_it (fp) close_status = _IO_SYSCLOSE (fp); /* Free buffer. */ - if (fp->_mode <= 0) - { - INTUSE(_IO_setb) (fp, NULL, NULL, 0); - _IO_setg (fp, NULL, NULL, NULL); - _IO_setp (fp, NULL, NULL); - } #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T - else + if (fp->_mode > 0) { if (_IO_have_wbackup (fp)) INTUSE(_IO_free_wbackup_area) (fp); @@ -190,6 +185,9 @@ _IO_new_file_close_it (fp) _IO_wsetp (fp, NULL, NULL); } #endif + INTUSE(_IO_setb) (fp, NULL, NULL, 0); + _IO_setg (fp, NULL, NULL, NULL); + _IO_setp (fp, NULL, NULL); INTUSE(_IO_un_link) ((struct _IO_FILE_plus *) fp); fp->_flags = _IO_MAGIC|CLOSED_FILEBUF_FLAGS; @@ -399,6 +397,9 @@ _IO_new_file_fopen (fp, filename, mode, is32not64) /* And now the transliteration. */ cc->__cd_out.__cd.__data[0].__trans = &__libio_translit; + /* From now on use the wide character callback functions. */ + ((struct _IO_FILE_plus *) fp)->vtable = fp->_wide_data->_wide_vtable; + /* Set the mode now. */ result->_mode = 1; } @@ -472,7 +473,7 @@ _IO_file_setbuf_mmap (fp, p, len) return result; } -static _IO_size_t new_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; +static _IO_size_t new_do_write (_IO_FILE *, const char *, _IO_size_t); /* Write TO_DO bytes from DATA to FP. Then mark FP as having empty buffers. */ @@ -826,10 +827,10 @@ _IO_new_file_overflow (f, ch) return EOF; } /* If currently reading or no buffer allocated. */ - if ((f->_flags & _IO_CURRENTLY_PUTTING) == 0 || f->_IO_write_base == 0) + if ((f->_flags & _IO_CURRENTLY_PUTTING) == 0 || f->_IO_write_base == NULL) { /* Allocate a buffer if needed. */ - if (f->_IO_write_base == 0) + if (f->_IO_write_base == NULL) { INTUSE(_IO_doallocbuf) (f); _IO_setg (f, f->_IO_buf_base, f->_IO_buf_base, f->_IO_buf_base); @@ -1281,7 +1282,7 @@ _IO_new_file_xsputn (f, data, n) register const char *s = (const char *) data; _IO_size_t to_do = n; int must_flush = 0; - _IO_size_t count; + _IO_size_t count = 0; if (n <= 0) return 0; @@ -1290,7 +1291,6 @@ _IO_new_file_xsputn (f, data, n) (or the filebuf is unbuffered), use sys_write directly. */ /* First figure out how much space is available in the buffer. */ - count = f->_IO_write_end - f->_IO_write_ptr; /* Space available. */ if ((f->_flags & _IO_LINE_BUF) && (f->_flags & _IO_CURRENTLY_PUTTING)) { count = f->_IO_buf_end - f->_IO_write_ptr; @@ -1308,6 +1308,9 @@ _IO_new_file_xsputn (f, data, n) } } } + else if (f->_IO_write_end > f->_IO_write_ptr) + count = f->_IO_write_end - f->_IO_write_ptr; /* Space available. */ + /* Then fill the buffer. */ if (count > 0) { @@ -1338,7 +1341,9 @@ _IO_new_file_xsputn (f, data, n) _IO_size_t block_size, do_write; /* Next flush the (full) buffer. */ if (_IO_OVERFLOW (f, EOF) == EOF) - return n - to_do; + /* If nothing else has to be written we must not signal the + caller that everything has been written. */ + return to_do == 0 ? EOF : n - to_do; /* Try to maintain alignment: write a whole number of blocks. dont_write is what gets left over. */ @@ -1464,8 +1469,7 @@ _IO_file_xsgetn (fp, data, n) } INTDEF(_IO_file_xsgetn) -static _IO_size_t _IO_file_xsgetn_mmap (_IO_FILE *, void *, _IO_size_t) - __THROW; +static _IO_size_t _IO_file_xsgetn_mmap (_IO_FILE *, void *, _IO_size_t); static _IO_size_t _IO_file_xsgetn_mmap (fp, data, n) _IO_FILE *fp; @@ -1524,8 +1528,7 @@ _IO_file_xsgetn_mmap (fp, data, n) return s - (char *) data; } -static _IO_size_t _IO_file_xsgetn_maybe_mmap (_IO_FILE *, void *, _IO_size_t) - __THROW; +static _IO_size_t _IO_file_xsgetn_maybe_mmap (_IO_FILE *, void *, _IO_size_t); static _IO_size_t _IO_file_xsgetn_maybe_mmap (fp, data, n) _IO_FILE *fp; diff --git a/libio/fmemopen.c b/libio/fmemopen.c index ab6ffdd678..f3b280092c 100644 --- a/libio/fmemopen.c +++ b/libio/fmemopen.c @@ -1,5 +1,5 @@ /* Fmemopen implementation. - Copyright (C) 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 2000, 2002, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Hanno Mueller, kontakt@hanno.de, 2000. @@ -27,8 +27,6 @@ * but couldn't find it in libio. The following snippet of code is an * attempt to implement what glibc's documentation describes. * - * No, it isn't really tested yet. :-) - * * * * I already see some potential problems: @@ -73,6 +71,7 @@ #include <libio.h> #include <stdio.h> #include <stdlib.h> +#include <stdint.h> #include <string.h> #include <sys/types.h> #include "libioP.h" @@ -128,7 +127,7 @@ fmemopen_write (void *cookie, const char *b, size_t s) if ((size_t) (c->pos + addnullc) == c->size) { __set_errno (ENOSPC); - return -1; + return 0; } s = c->size - c->pos - addnullc; } @@ -166,7 +165,7 @@ fmemopen_seek (void *cookie, _IO_off64_t *p, int w) break; case SEEK_END: - np = c->size - *p; + np = c->maxpos - *p; break; default: @@ -176,9 +175,9 @@ fmemopen_seek (void *cookie, _IO_off64_t *p, int w) if (np < 0 || (size_t) np > c->size) return -1; - c->pos = np; + *p = c->pos = np; - return np; + return 0; } @@ -203,6 +202,13 @@ fmemopen (void *buf, size_t len, const char *mode) cookie_io_functions_t iof; fmemopen_cookie_t *c; + if (__builtin_expect (len == 0, 0)) + { + einval: + __set_errno (EINVAL); + return NULL; + } + c = (fmemopen_cookie_t *) malloc (sizeof (fmemopen_cookie_t)); if (c == NULL) return NULL; @@ -220,7 +226,15 @@ fmemopen (void *buf, size_t len, const char *mode) c->buffer[0] = '\0'; } else - c->buffer = buf; + { + if (__builtin_expect ((uintptr_t) len > -(uintptr_t) buf, 0)) + { + free (c); + goto einval; + } + + c->buffer = buf; + } c->size = len; diff --git a/libio/fputwc.c b/libio/fputwc.c index 8c749435a0..42cf9d716c 100644 --- a/libio/fputwc.c +++ b/libio/fputwc.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1996,1997,1998,1999,2003 Free Software Foundation, Inc. +/* Copyright (C) 1993,1996,1997,1998,1999,2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -33,7 +33,7 @@ fputwc (wc, fp) wchar_t wc; _IO_FILE *fp; { - int result; + wint_t result; CHECK_FILE (fp, EOF); _IO_acquire_lock (fp); if (_IO_fwide (fp, 1) < 0) diff --git a/libio/fputwc_u.c b/libio/fputwc_u.c index 93cbcab3d3..0478410cca 100644 --- a/libio/fputwc_u.c +++ b/libio/fputwc_u.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1996, 1997, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1996, 1997, 1999, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -35,7 +35,7 @@ fputwc_unlocked (wc, fp) wchar_t wc; _IO_FILE *fp; { - CHECK_FILE (fp, EOF); + CHECK_FILE (fp, WEOF); if (_IO_fwide (fp, 1) < 0) return WEOF; return _IO_putwc_unlocked (wc, fp); diff --git a/libio/fwprintf.c b/libio/fwprintf.c index cadeda04ab..9d9111d7c6 100644 --- a/libio/fwprintf.c +++ b/libio/fwprintf.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991, 1997, 1999, 2000, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1997, 1999, 2000, 2001, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <libioP.h> #include <stdarg.h> #include <stdio.h> #include <wchar.h> @@ -35,4 +37,4 @@ __fwprintf (FILE *stream, const wchar_t *format, ...) return done; } -weak_alias (__fwprintf, fwprintf) +ldbl_weak_alias (__fwprintf, fwprintf) diff --git a/libio/fwscanf.c b/libio/fwscanf.c index 411e1825c0..17296fa3d6 100644 --- a/libio/fwscanf.c +++ b/libio/fwscanf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1997, 1999, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1997, 1999, 2000, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +16,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <libioP.h> #include <stdarg.h> #include <stdio.h> #include <wchar.h> @@ -23,7 +24,7 @@ /* Read formatted input from STREAM according to the format string FORMAT. */ /* VARARGS2 */ int -fwscanf (FILE *stream, const wchar_t *format, ...) +__fwscanf (FILE *stream, const wchar_t *format, ...) { va_list arg; int done; @@ -34,3 +35,4 @@ fwscanf (FILE *stream, const wchar_t *format, ...) return done; } +ldbl_strong_alias (__fwscanf, fwscanf) diff --git a/libio/genops.c b/libio/genops.c index 741ed77f86..8d62da7781 100644 --- a/libio/genops.c +++ b/libio/genops.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993,1995,1997-2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1993,1995,1997-2002, 2003, 2004, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -32,6 +33,10 @@ #include <stdlib.h> #endif #include <string.h> +#include <stdbool.h> +#ifdef _LIBC +#include <sched.h> +#endif #ifdef _IO_MTSAFE_IO static _IO_lock_t list_all_lock = _IO_lock_initializer; @@ -362,7 +367,7 @@ __uflow (fp) #endif if (fp->_mode == 0) - _IO_fwide (fp, -11); + _IO_fwide (fp, -1); if (_IO_in_put_mode (fp)) if (INTUSE(_IO_switch_to_get_mode) (fp) == EOF) return EOF; @@ -657,6 +662,7 @@ _IO_no_init (fp, flags, orientation, wd, jmp) fp->_wide_data->_wide_vtable = jmp; } #endif + fp->_freeres_list = NULL; } int @@ -914,10 +920,27 @@ INTDEF(_IO_flush_all_linebuffered) weak_alias (_IO_flush_all_linebuffered, _flushlbf) #endif + +/* The following is a bit tricky. In general, we want to unbuffer the + streams so that all output which follows is seen. If we are not + looking for memory leaks it does not make much sense to free the + actual buffer because this will happen anyway once the program + terminated. If we do want to look for memory leaks we have to free + the buffers. Whether something is freed is determined by the + function sin the libc_freeres section. Those are called as part of + the atexit routine, just like _IO_cleanup. The problem is we do + not know whether the freeres code is called first or _IO_cleanup. + if the former is the case, we set the DEALLOC_BUFFER variable to + true and _IO_unbuffer_write will take care of the rest. If + _IO_unbuffer_write is called first we add the streams to a list + which the freeres function later can walk through. */ static void _IO_unbuffer_write (void); +static bool dealloc_buffers; +static _IO_FILE *freeres_list; + static void -_IO_unbuffer_write () +_IO_unbuffer_write (void) { struct _IO_FILE *fp; for (fp = (_IO_FILE *) INTUSE(_IO_list_all); fp; fp = fp->_chain) @@ -927,7 +950,32 @@ _IO_unbuffer_write () || (fp->_flags & _IO_IS_APPENDING)) /* Iff stream is un-orientated, it wasn't used. */ && fp->_mode != 0) - _IO_SETBUF (fp, NULL, 0); + { + int cnt; +#define MAXTRIES 2 + for (cnt = 0; cnt < MAXTRIES; ++cnt) + if (_IO_lock_trylock (*fp->_lock) == 0) + break; + else + /* Give the other thread time to finish up its use of the + stream. */ + __sched_yield (); + + if (! dealloc_buffers && !(fp->_flags & _IO_USER_BUF)) + { + fp->_flags |= _IO_USER_BUF; + + fp->_freeres_list = freeres_list; + freeres_list = fp; + fp->_freeres_buf = fp->_IO_buf_base; + fp->_freeres_size = _IO_blen (fp); + } + + _IO_SETBUF (fp, NULL, 0); + + if (cnt < MAXTRIES) + _IO_lock_unlock (*fp->_lock); + } /* Make sure that never again the wide char functions can be used. */ @@ -935,11 +983,25 @@ _IO_unbuffer_write () } } + +libc_freeres_fn (buffer_free) +{ + dealloc_buffers = true; + + while (freeres_list != NULL) + { + FREE_BUF (freeres_list->_freeres_buf, freeres_list->_freeres_size); + + freeres_list = freeres_list->_freeres_list; + } +} + + int _IO_cleanup () { /* We do *not* want locking. Some threads might use streams but - that is there problem, we flush them underneath them. */ + that is their problem, we flush them underneath them. */ int result = _IO_flush_all_lockp (0); /* We currently don't have a reliable mechanism for making sure that diff --git a/libio/getwc_u.c b/libio/getwc_u.c index bdad3c8bf3..229343cc61 100644 --- a/libio/getwc_u.c +++ b/libio/getwc_u.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1995,1996,1997,1999,2000 Free Software Foundation, Inc. +/* Copyright (C) 1993,1995,1996,1997,1999,2000, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -33,7 +33,7 @@ wint_t __getwc_unlocked (FILE *fp) { - CHECK_FILE (fp, EOF); + CHECK_FILE (fp, WEOF); return _IO_getwc_unlocked (fp); } diff --git a/libio/iofclose.c b/libio/iofclose.c index a372ae2b24..aa2ba40064 100644 --- a/libio/iofclose.c +++ b/libio/iofclose.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1995,1997-2003,2004 Free Software Foundation, Inc. +/* Copyright (C) 1993,1995,1997-2004,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -62,8 +62,8 @@ _IO_new_fclose (fp) status = INTUSE(_IO_file_close_it) (fp); else status = fp->_flags & _IO_ERR_SEEN ? -1 : 0; - _IO_FINISH (fp); _IO_release_lock (fp); + _IO_FINISH (fp); if (fp->_mode > 0) { #if _LIBC diff --git a/libio/iofgets.c b/libio/iofgets.c index 879cc975a3..601b1746a1 100644 --- a/libio/iofgets.c +++ b/libio/iofgets.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2002, 2003 +/* Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2002, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -41,6 +41,14 @@ _IO_fgets (buf, n, fp) CHECK_FILE (fp, NULL); if (n <= 0) return NULL; + if (__builtin_expect (n == 1, 0)) + { + /* Another irregular case: since we have to store a NUL byte and + there is only room for exactly one byte, we don't have to + read anything. */ + buf[0] = '\0'; + return buf; + } _IO_acquire_lock (fp); /* This is very tricky since a file descriptor may be in the non-blocking mode. The error flag doesn't mean much in this diff --git a/libio/iofgets_u.c b/libio/iofgets_u.c index ded2a7c83c..4fb5b1c0fd 100644 --- a/libio/iofgets_u.c +++ b/libio/iofgets_u.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1995,1996,1997,1998,2002 Free Software Foundation, Inc. +/* Copyright (C) 1993,1995-1998,2002,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -40,6 +40,14 @@ fgets_unlocked (buf, n, fp) CHECK_FILE (fp, NULL); if (n <= 0) return NULL; + if (__builtin_expect (n == 1, 0)) + { + /* Another irregular case: since we have to store a NUL byte and + there is only room for exactly one byte, we don't have to + read anything. */ + buf[0] = '\0'; + return buf; + } /* This is very tricky since a file descriptor may be in the non-blocking mode. The error flag doesn't mean much in this case. We return an error only when there is a new error. */ diff --git a/libio/iofgetws.c b/libio/iofgetws.c index 654c051a28..775391137a 100644 --- a/libio/iofgetws.c +++ b/libio/iofgetws.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2001 +/* Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2001, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -41,6 +41,14 @@ fgetws (buf, n, fp) CHECK_FILE (fp, NULL); if (n <= 0) return NULL; + if (__builtin_expect (n == 1, 0)) + { + /* Another irregular case: since we have to store a NUL byte and + there is only room for exactly one byte, we don't have to + read anything. */ + buf[0] = L'\0'; + return buf; + } _IO_acquire_lock (fp); /* This is very tricky since a file descriptor may be in the non-blocking mode. The error flag doesn't mean much in this diff --git a/libio/iofgetws_u.c b/libio/iofgetws_u.c index 1253564566..9fb8a5cac1 100644 --- a/libio/iofgetws_u.c +++ b/libio/iofgetws_u.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 95, 96, 97, 98, 99 Free Software Foundation, Inc. +/* Copyright (C) 1993, 95, 96, 97, 98, 99, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -40,6 +40,14 @@ fgetws_unlocked (buf, n, fp) CHECK_FILE (fp, NULL); if (n <= 0) return NULL; + if (__builtin_expect (n == 1, 0)) + { + /* Another irregular case: since we have to store a NUL byte and + there is only room for exactly one byte, we don't have to + read anything. */ + buf[0] = L'\0'; + return buf; + } /* This is very tricky since a file descriptor may be in the non-blocking mode. The error flag doesn't mean much in this case. We return an error only when there is a new error. */ diff --git a/libio/iofopncook.c b/libio/iofopncook.c index 321eb67b8d..976ff5093a 100644 --- a/libio/iofopncook.c +++ b/libio/iofopncook.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993,95,97,99,2000,2002,2004 Free Software Foundation, Inc. +/* Copyright (C) 1993,95,97,99,2000,2002,2004, 2005 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -36,6 +37,8 @@ static _IO_ssize_t _IO_cookie_read (register _IO_FILE* fp, void* buf, static _IO_ssize_t _IO_cookie_write (register _IO_FILE* fp, const void* buf, _IO_ssize_t size); static _IO_off64_t _IO_cookie_seek (_IO_FILE *fp, _IO_off64_t offset, int dir); +static _IO_off64_t _IO_cookie_seekoff (_IO_FILE *fp, _IO_off64_t offset, + int dir, int mode); static int _IO_cookie_close (_IO_FILE* fp); static _IO_ssize_t @@ -61,9 +64,16 @@ _IO_cookie_write (fp, buf, size) struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp; if (cfile->__io_functions.write == NULL) - return -1; + { + fp->_flags |= _IO_ERR_SEEN; + return 0; + } + + _IO_ssize_t n = cfile->__io_functions.write (cfile->__cookie, buf, size); + if (n < size) + fp->_flags |= _IO_ERR_SEEN; - return cfile->__io_functions.write (cfile->__cookie, buf, size); + return n; } static _IO_off64_t @@ -94,6 +104,20 @@ _IO_cookie_close (fp) } +static _IO_off64_t +_IO_cookie_seekoff (fp, offset, dir, mode) + _IO_FILE *fp; + _IO_off64_t offset; + int dir; + int mode; +{ + /* We must force the fileops code to always use seek to determine + the position. */ + fp->_offset = _IO_pos_BAD; + return INTUSE(_IO_file_seekoff) (fp, offset, dir, mode); +} + + static const struct _IO_jump_t _IO_cookie_jumps = { JUMP_INIT_DUMMY, JUMP_INIT(finish, INTUSE(_IO_file_finish)), @@ -103,7 +127,7 @@ static const struct _IO_jump_t _IO_cookie_jumps = { JUMP_INIT(pbackfail, INTUSE(_IO_default_pbackfail)), JUMP_INIT(xsputn, INTUSE(_IO_file_xsputn)), JUMP_INIT(xsgetn, INTUSE(_IO_default_xsgetn)), - JUMP_INIT(seekoff, INTUSE(_IO_file_seekoff)), + JUMP_INIT(seekoff, _IO_cookie_seekoff), JUMP_INIT(seekpos, _IO_default_seekpos), JUMP_INIT(setbuf, INTUSE(_IO_file_setbuf)), JUMP_INIT(sync, INTUSE(_IO_file_sync)), @@ -223,7 +247,7 @@ static const struct _IO_jump_t _IO_old_cookie_jumps = { JUMP_INIT(pbackfail, INTUSE(_IO_default_pbackfail)), JUMP_INIT(xsputn, INTUSE(_IO_file_xsputn)), JUMP_INIT(xsgetn, INTUSE(_IO_default_xsgetn)), - JUMP_INIT(seekoff, INTUSE(_IO_file_seekoff)), + JUMP_INIT(seekoff, _IO_cookie_seekoff), JUMP_INIT(seekpos, _IO_default_seekpos), JUMP_INIT(setbuf, INTUSE(_IO_file_setbuf)), JUMP_INIT(sync, INTUSE(_IO_file_sync)), diff --git a/libio/iofwide.c b/libio/iofwide.c index 03124219ad..a9936687dd 100644 --- a/libio/iofwide.c +++ b/libio/iofwide.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1999-2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -40,6 +40,7 @@ # include <wcsmbs/wcsmbsload.h> # include <iconv/gconv_int.h> # include <shlib-compat.h> +# include <sysdep.h> #endif @@ -68,7 +69,7 @@ static int do_always_noconv (struct _IO_codecvt *codecvt); /* The functions used in `codecvt' for libio are always the same. */ -struct _IO_codecvt __libio_codecvt = +const struct _IO_codecvt __libio_codecvt = { .__codecvt_destr = NULL, /* Destructor, never used. */ .__codecvt_do_out = do_out, @@ -82,7 +83,7 @@ struct _IO_codecvt __libio_codecvt = #ifdef _LIBC -struct __gconv_trans_data __libio_translit attribute_hidden = +const struct __gconv_trans_data __libio_translit attribute_hidden = { .__trans_fct = __gconv_transliterate }; @@ -126,12 +127,11 @@ _IO_fwide (fp, mode) selected locale for LC_CTYPE. */ #ifdef _LIBC { - struct gconv_fcts fcts; - /* Clear the state. We start all over again. */ memset (&fp->_wide_data->_IO_state, '\0', sizeof (__mbstate_t)); memset (&fp->_wide_data->_IO_last_state, '\0', sizeof (__mbstate_t)); + struct gconv_fcts fcts; __wcsmbs_clone_conv (&fcts); assert (fcts.towc_nsteps == 1); assert (fcts.tomb_nsteps == 1); @@ -159,7 +159,8 @@ _IO_fwide (fp, mode) cc->__cd_out.__cd.__data[0].__statep = &fp->_wide_data->_IO_state; /* And now the transliteration. */ - cc->__cd_out.__cd.__data[0].__trans = &__libio_translit; + cc->__cd_out.__cd.__data[0].__trans + = (struct __gconv_trans_data *) &__libio_translit; } #else # ifdef _GLIBCPP_USE_WCHAR_T @@ -228,17 +229,23 @@ do_out (struct _IO_codecvt *codecvt, __mbstate_t *statep, size_t dummy; const unsigned char *from_start_copy = (unsigned char *) from_start; - codecvt->__cd_out.__cd.__data[0].__outbuf = to_start; - codecvt->__cd_out.__cd.__data[0].__outbufend = to_end; + codecvt->__cd_out.__cd.__data[0].__outbuf = (unsigned char *) to_start; + codecvt->__cd_out.__cd.__data[0].__outbufend = (unsigned char *) to_end; codecvt->__cd_out.__cd.__data[0].__statep = statep; - status = DL_CALL_FCT (gs->__fct, + __gconv_fct fct = gs->__fct; +#ifdef PTR_DEMANGLE + if (gs->__shlib_handle != NULL) + PTR_DEMANGLE (fct); +#endif + + status = DL_CALL_FCT (fct, (gs, codecvt->__cd_out.__cd.__data, &from_start_copy, (const unsigned char *) from_end, NULL, &dummy, 0, 0)); *from_stop = (wchar_t *) from_start_copy; - *to_stop = codecvt->__cd_out.__cd.__data[0].__outbuf; + *to_stop = (char *) codecvt->__cd_out.__cd.__data[0].__outbuf; switch (status) { @@ -294,15 +301,21 @@ do_unshift (struct _IO_codecvt *codecvt, __mbstate_t *statep, int status; size_t dummy; - codecvt->__cd_out.__cd.__data[0].__outbuf = to_start; - codecvt->__cd_out.__cd.__data[0].__outbufend = to_end; + codecvt->__cd_out.__cd.__data[0].__outbuf = (unsigned char *) to_start; + codecvt->__cd_out.__cd.__data[0].__outbufend = (unsigned char *) to_end; codecvt->__cd_out.__cd.__data[0].__statep = statep; - status = DL_CALL_FCT (gs->__fct, + __gconv_fct fct = gs->__fct; +#ifdef PTR_DEMANGLE + if (gs->__shlib_handle != NULL) + PTR_DEMANGLE (fct); +#endif + + status = DL_CALL_FCT (fct, (gs, codecvt->__cd_out.__cd.__data, NULL, NULL, NULL, &dummy, 1, 0)); - *to_stop = codecvt->__cd_out.__cd.__data[0].__outbuf; + *to_stop = (char *) codecvt->__cd_out.__cd.__data[0].__outbuf; switch (status) { @@ -357,15 +370,22 @@ do_in (struct _IO_codecvt *codecvt, __mbstate_t *statep, size_t dummy; const unsigned char *from_start_copy = (unsigned char *) from_start; - codecvt->__cd_in.__cd.__data[0].__outbuf = (char *) to_start; - codecvt->__cd_in.__cd.__data[0].__outbufend = (char *) to_end; + codecvt->__cd_in.__cd.__data[0].__outbuf = (unsigned char *) to_start; + codecvt->__cd_in.__cd.__data[0].__outbufend = (unsigned char *) to_end; codecvt->__cd_in.__cd.__data[0].__statep = statep; - status = DL_CALL_FCT (gs->__fct, + __gconv_fct fct = gs->__fct; +#ifdef PTR_DEMANGLE + if (gs->__shlib_handle != NULL) + PTR_DEMANGLE (fct); +#endif + + status = DL_CALL_FCT (fct, (gs, codecvt->__cd_in.__cd.__data, &from_start_copy, - from_end, NULL, &dummy, 0, 0)); + (const unsigned char *) from_end, NULL, + &dummy, 0, 0)); - *from_stop = from_start_copy; + *from_stop = (const char *) from_start_copy; *to_stop = (wchar_t *) codecvt->__cd_in.__cd.__data[0].__outbuf; switch (status) @@ -454,13 +474,20 @@ do_length (struct _IO_codecvt *codecvt, __mbstate_t *statep, int status; size_t dummy; - codecvt->__cd_in.__cd.__data[0].__outbuf = (char *) to_buf; - codecvt->__cd_in.__cd.__data[0].__outbufend = (char *) &to_buf[max]; + codecvt->__cd_in.__cd.__data[0].__outbuf = (unsigned char *) to_buf; + codecvt->__cd_in.__cd.__data[0].__outbufend = (unsigned char *) &to_buf[max]; codecvt->__cd_in.__cd.__data[0].__statep = statep; - status = DL_CALL_FCT (gs->__fct, - (gs, codecvt->__cd_in.__cd.__data, &cp, from_end, - NULL, &dummy, 0, 0)); + __gconv_fct fct = gs->__fct; +#ifdef PTR_DEMANGLE + if (gs->__shlib_handle != NULL) + PTR_DEMANGLE (fct); +#endif + + status = DL_CALL_FCT (fct, + (gs, codecvt->__cd_in.__cd.__data, &cp, + (const unsigned char *) from_end, NULL, + &dummy, 0, 0)); result = cp - (const unsigned char *) from_start; #else diff --git a/libio/iogetdelim.c b/libio/iogetdelim.c index 3d0c976f9c..a362bf978a 100644 --- a/libio/iogetdelim.c +++ b/libio/iogetdelim.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1994,1996,1997,1998,2001,2003 Free Software Foundation, Inc. +/* Copyright (C) 1994,1996-1998,2001,2003,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -45,7 +45,7 @@ _IO_getdelim (lineptr, n, delimiter, fp) int delimiter; _IO_FILE *fp; { - int result; + _IO_ssize_t result; _IO_ssize_t cur_len = 0; _IO_ssize_t len; @@ -91,6 +91,12 @@ _IO_getdelim (lineptr, n, delimiter, fp) t = (char *) memchr ((void *) fp->_IO_read_ptr, delimiter, len); if (t != NULL) len = (t - fp->_IO_read_ptr) + 1; + if (__builtin_expect (cur_len + len + 1 < 0, 0)) + { + __set_errno (EOVERFLOW); + result = -1; + goto unlock_return; + } /* Make enough space for len+1 (for final NUL) bytes. */ needed = cur_len + len + 1; if (needed > *n) diff --git a/libio/iogetline.c b/libio/iogetline.c index eca38cf773..022a444f77 100644 --- a/libio/iogetline.c +++ b/libio/iogetline.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993,1997,1998,2000,2001,2002 Free Software Foundation, Inc. +/* Copyright (C) 1993,1997,1998,2000,2001,2002,2005 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -73,7 +74,8 @@ _IO_getline_info (fp, buf, n, delim, extract_delim, eof) int c = __uflow (fp); if (c == EOF) { - if (eof) *eof = c; + if (eof) + *eof = c; break; } if (c == delim) @@ -89,31 +91,31 @@ _IO_getline_info (fp, buf, n, delim, extract_delim, eof) *ptr++ = c; n--; } - else - { - char *t; - if ((_IO_size_t) len >= n) - len = n; - t = (char *) memchr ((void *) fp->_IO_read_ptr, delim, len); - if (t != NULL) - { - _IO_size_t old_len = ptr-buf; - len = t - fp->_IO_read_ptr; - if (extract_delim >= 0) - { - ++t; - if (extract_delim > 0) - ++len; - } - memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len); - fp->_IO_read_ptr = t; - return old_len + len; - } - memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len); - fp->_IO_read_ptr += len; - ptr += len; - n -= len; - } + else + { + char *t; + if ((_IO_size_t) len >= n) + len = n; + t = (char *) memchr ((void *) fp->_IO_read_ptr, delim, len); + if (t != NULL) + { + _IO_size_t old_len = ptr-buf; + len = t - fp->_IO_read_ptr; + if (extract_delim >= 0) + { + ++t; + if (extract_delim > 0) + ++len; + } + memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len); + fp->_IO_read_ptr = t; + return old_len + len; + } + memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len); + fp->_IO_read_ptr += len; + ptr += len; + n -= len; + } } return ptr - buf; } diff --git a/libio/iogetwline.c b/libio/iogetwline.c index e529b7d832..45db478423 100644 --- a/libio/iogetwline.c +++ b/libio/iogetwline.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1997,1998,1999,2000,2002 Free Software Foundation, Inc. +/* Copyright (C) 1993,1997-2000,2002,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -87,9 +87,9 @@ _IO_getwline_info (fp, buf, n, delim, extract_delim, eof) *ptr++ = wc; else if (extract_delim < 0) INTUSE(_IO_sputbackc) (fp, wc); - return ptr - buf; if (extract_delim > 0) ++len; + return ptr - buf; } *ptr++ = wc; n--; diff --git a/libio/ioungetwc.c b/libio/ioungetwc.c index 00d3e965b5..f7b6866617 100644 --- a/libio/ioungetwc.c +++ b/libio/ioungetwc.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1996, 1997, 1998, 1999, 2001, 2002, 2003 +/* Copyright (C) 1993, 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -34,7 +34,7 @@ ungetwc (c, fp) wint_t c; _IO_FILE *fp; { - int result; + wint_t result; CHECK_FILE (fp, WEOF); _IO_acquire_lock (fp); _IO_fwide (fp, 1); diff --git a/libio/iovdprintf.c b/libio/iovdprintf.c index e81d870ca7..edab849a44 100644 --- a/libio/iovdprintf.c +++ b/libio/iovdprintf.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1995,1997-2000,2001,2002,2003 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1997-2000, 2001, 2002, 2003, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,7 +26,7 @@ This exception applies to code released by its copyright holders in files containing the exception. */ -#include "libioP.h" +#include <libioP.h> #include <stdio_ext.h> int @@ -63,7 +64,4 @@ _IO_vdprintf (d, format, arg) return done; } - -#ifdef weak_alias -weak_alias (_IO_vdprintf, vdprintf) -#endif +ldbl_weak_alias (_IO_vdprintf, vdprintf) diff --git a/libio/iovsprintf.c b/libio/iovsprintf.c index b26a99b271..7fcd0a156e 100644 --- a/libio/iovsprintf.c +++ b/libio/iovsprintf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1997-2003 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997-2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -29,10 +29,7 @@ #include "strfile.h" int -_IO_vsprintf (string, format, args) - char *string; - const char *format; - _IO_va_list args; +__IO_vsprintf (char *string, const char *format, _IO_va_list args) { _IO_strfile sf; int ret; @@ -47,8 +44,7 @@ _IO_vsprintf (string, format, args) _IO_putc_unlocked ('\0', (_IO_FILE *) &sf._sbf); return ret; } -INTDEF(_IO_vsprintf) +INTDEF2(__IO_vsprintf, _IO_vsprintf) -#ifdef weak_alias -weak_alias (_IO_vsprintf, vsprintf) -#endif +ldbl_strong_alias (__IO_vsprintf, _IO_vsprintf) +ldbl_weak_alias (__IO_vsprintf, vsprintf) diff --git a/libio/iovsscanf.c b/libio/iovsscanf.c index 1a965c2d92..10e4b0a9ac 100644 --- a/libio/iovsscanf.c +++ b/libio/iovsscanf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1997-2003 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997-2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -45,8 +45,5 @@ _IO_vsscanf (string, format, args) ret = INTUSE(_IO_vfscanf) ((_IO_FILE *) &sf._sbf, format, args, NULL); return ret; } - -#ifdef weak_alias -weak_alias (_IO_vsscanf, __vsscanf) -weak_alias (_IO_vsscanf, vsscanf) -#endif +ldbl_weak_alias (_IO_vsscanf, __vsscanf) +ldbl_weak_alias (_IO_vsscanf, vsscanf) diff --git a/libio/iovswscanf.c b/libio/iovswscanf.c index 1bbddd442f..182d8da410 100644 --- a/libio/iovswscanf.c +++ b/libio/iovswscanf.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993, 1997-2000, 2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997-2000, 2001, 2002, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -30,10 +31,7 @@ #include <wchar.h> int -vswscanf (string, format, args) - const wchar_t *string; - const wchar_t *format; - _IO_va_list args; +__vswscanf (const wchar_t *string, const wchar_t *format, _IO_va_list args) { int ret; _IO_strfile sf; @@ -47,4 +45,5 @@ vswscanf (string, format, args) ret = _IO_vfwscanf ((_IO_FILE *) &sf._sbf, format, args, NULL); return ret; } -libc_hidden_def (vswscanf) +ldbl_hidden_def (__vswscanf, vswscanf) +ldbl_strong_alias (__vswscanf, vswscanf) diff --git a/libio/libc_fatal.c b/libio/libc_fatal.c new file mode 100644 index 0000000000..be23849829 --- /dev/null +++ b/libio/libc_fatal.c @@ -0,0 +1,31 @@ +/* Copyright (C) 1993, 1995, 1997, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdio.h> + +/* Abort with an error message. */ +void +__libc_fatal (message) + const char *message; +{ + /* This function should write MESSAGE out in the most reliable way. + It is called in situations like internal stdio lossage. */ + + abort (); +} +libc_hidden_def (__libc_fatal) diff --git a/libio/libio.h b/libio/libio.h index 3b6facdddb..9df08614ee 100644 --- a/libio/libio.h +++ b/libio/libio.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991-1995, 1997-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1991-1995,1997-2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Per Bothner <bothner@cygnus.com>. @@ -142,6 +142,7 @@ #ifdef _LIBC # define _IO_FLAGS2_FORTIFY 4 #endif +#define _IO_FLAGS2_USER_WBUF 8 /* These are "formatting flags" matching the iostream fmtflags enum values. */ #define _IO_SKIPWS 01 @@ -317,13 +318,19 @@ struct _IO_FILE_complete /* Wide character stream stuff. */ struct _IO_codecvt *_codecvt; struct _IO_wide_data *_wide_data; + struct _IO_FILE *_freeres_list; + void *_freeres_buf; + size_t _freeres_size; # else void *__pad1; void *__pad2; + void *__pad3; + void *__pad4; + size_t __pad5; # endif int _mode; /* Make sure we don't get into trouble again. */ - char _unused2[15 * sizeof (int) - 2 * sizeof (void *)]; + char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)]; #endif }; @@ -403,15 +410,15 @@ extern void _IO_cookie_init (struct _IO_cookie_file *__cfile, int __read_write, extern "C" { #endif -extern int __underflow (_IO_FILE *) __THROW; -extern int __uflow (_IO_FILE *) __THROW; -extern int __overflow (_IO_FILE *, int) __THROW; -extern _IO_wint_t __wunderflow (_IO_FILE *) __THROW; -extern _IO_wint_t __wuflow (_IO_FILE *) __THROW; -extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t) __THROW; +extern int __underflow (_IO_FILE *); +extern int __uflow (_IO_FILE *); +extern int __overflow (_IO_FILE *, int); +extern _IO_wint_t __wunderflow (_IO_FILE *); +extern _IO_wint_t __wuflow (_IO_FILE *); +extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); #if __GNUC__ >= 3 -# define _IO_BE(expr, res) __builtin_expect (expr, res) +# define _IO_BE(expr, res) __builtin_expect ((expr), res) #else # define _IO_BE(expr, res) (expr) #endif @@ -441,12 +448,12 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t) __THROW; #define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0) #define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0) -extern int _IO_getc (_IO_FILE *__fp) __THROW; -extern int _IO_putc (int __c, _IO_FILE *__fp) __THROW; +extern int _IO_getc (_IO_FILE *__fp); +extern int _IO_putc (int __c, _IO_FILE *__fp); extern int _IO_feof (_IO_FILE *__fp) __THROW; extern int _IO_ferror (_IO_FILE *__fp) __THROW; -extern int _IO_peekc_locked (_IO_FILE *__fp) __THROW; +extern int _IO_peekc_locked (_IO_FILE *__fp); /* This one is for Emacs. */ #define _IO_PENDING_OUTPUT_COUNT(_fp) \ @@ -472,20 +479,20 @@ extern int _IO_ftrylockfile (_IO_FILE *) __THROW; #endif /* !_IO_MTSAFE_IO */ extern int _IO_vfscanf (_IO_FILE * __restrict, const char * __restrict, - _IO_va_list, int *__restrict) __THROW; + _IO_va_list, int *__restrict); extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict, - _IO_va_list) __THROW; -extern _IO_ssize_t _IO_padn (_IO_FILE *, int, _IO_ssize_t) __THROW; -extern _IO_size_t _IO_sgetn (_IO_FILE *, void *, _IO_size_t) __THROW; + _IO_va_list); +extern _IO_ssize_t _IO_padn (_IO_FILE *, int, _IO_ssize_t); +extern _IO_size_t _IO_sgetn (_IO_FILE *, void *, _IO_size_t); -extern _IO_off64_t _IO_seekoff (_IO_FILE *, _IO_off64_t, int, int) __THROW; -extern _IO_off64_t _IO_seekpos (_IO_FILE *, _IO_off64_t, int) __THROW; +extern _IO_off64_t _IO_seekoff (_IO_FILE *, _IO_off64_t, int, int); +extern _IO_off64_t _IO_seekpos (_IO_FILE *, _IO_off64_t, int); extern void _IO_free_backup_area (_IO_FILE *) __THROW; #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T -extern _IO_wint_t _IO_getwc (_IO_FILE *__fp) __THROW; -extern _IO_wint_t _IO_putwc (wchar_t __wc, _IO_FILE *__fp) __THROW; +extern _IO_wint_t _IO_getwc (_IO_FILE *__fp); +extern _IO_wint_t _IO_putwc (wchar_t __wc, _IO_FILE *__fp); extern int _IO_fwide (_IO_FILE *__fp, int __mode) __THROW; # if __GNUC__ >= 2 /* While compiling glibc we have to handle compatibility with very old @@ -521,13 +528,17 @@ weak_extern (_IO_stdin_used); # endif extern int _IO_vfwscanf (_IO_FILE * __restrict, const wchar_t * __restrict, - _IO_va_list, int *__restrict) __THROW; + _IO_va_list, int *__restrict); extern int _IO_vfwprintf (_IO_FILE *__restrict, const wchar_t *__restrict, - _IO_va_list) __THROW; -extern _IO_ssize_t _IO_wpadn (_IO_FILE *, wint_t, _IO_ssize_t) __THROW; + _IO_va_list); +extern _IO_ssize_t _IO_wpadn (_IO_FILE *, wint_t, _IO_ssize_t); extern void _IO_free_wbackup_area (_IO_FILE *) __THROW; #endif +#ifdef __LDBL_COMPAT +# include <bits/libio-ldbl.h> +#endif + #ifdef __cplusplus } #endif diff --git a/libio/libioP.h b/libio/libioP.h index 319b0fd5f3..a574b40f77 100644 --- a/libio/libioP.h +++ b/libio/libioP.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1993, 1997-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997-2003,2004,2005,2006,2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -35,6 +36,8 @@ /*# include <comthread.h>*/ #endif +#include <math_ldbl_opt.h> + #include "iolibio.h" /* Control of exported symbols. Used in glibc. By default we don't @@ -377,7 +380,7 @@ typedef struct _IO_FILE *_IO_ITER; extern void _IO_switch_to_main_get_area (_IO_FILE *) __THROW; extern void _IO_switch_to_backup_area (_IO_FILE *) __THROW; -extern int _IO_switch_to_get_mode (_IO_FILE *) __THROW; +extern int _IO_switch_to_get_mode (_IO_FILE *); extern void _IO_init (_IO_FILE *, int) __THROW; extern int _IO_sputbackc (_IO_FILE *, int) __THROW; extern int _IO_sungetc (_IO_FILE *) __THROW; @@ -391,7 +394,7 @@ extern unsigned _IO_adjust_column (unsigned, const char *, int) __THROW; extern void _IO_switch_to_main_wget_area (_IO_FILE *) __THROW; extern void _IO_switch_to_wbackup_area (_IO_FILE *) __THROW; -extern int _IO_switch_to_wget_mode (_IO_FILE *) __THROW; +extern int _IO_switch_to_wget_mode (_IO_FILE *); extern void _IO_wsetb (_IO_FILE *, wchar_t *, wchar_t *, int) __THROW; extern wint_t _IO_sputbackwc (_IO_FILE *, wint_t) __THROW; extern wint_t _IO_sungetwc (_IO_FILE *) __THROW; @@ -401,8 +404,8 @@ extern unsigned _IO_adjust_wcolumn (unsigned, const wchar_t *, int) __THROW; /* Marker-related function. */ -extern void _IO_init_marker (struct _IO_marker *, _IO_FILE *) __THROW; -extern void _IO_init_wmarker (struct _IO_marker *, _IO_FILE *) __THROW; +extern void _IO_init_marker (struct _IO_marker *, _IO_FILE *); +extern void _IO_init_wmarker (struct _IO_marker *, _IO_FILE *); extern void _IO_remove_marker (struct _IO_marker *) __THROW; extern int _IO_marker_difference (struct _IO_marker *, struct _IO_marker *) __THROW; @@ -431,22 +434,22 @@ libc_hidden_proto (_IO_list_resetlock) /* Default jumptable functions. */ extern int _IO_default_underflow (_IO_FILE *) __THROW; -extern int _IO_default_uflow (_IO_FILE *) __THROW; -extern wint_t _IO_wdefault_uflow (_IO_FILE *) __THROW; +extern int _IO_default_uflow (_IO_FILE *); +extern wint_t _IO_wdefault_uflow (_IO_FILE *); extern int _IO_default_doallocate (_IO_FILE *) __THROW; extern int _IO_wdefault_doallocate (_IO_FILE *) __THROW; extern void _IO_default_finish (_IO_FILE *, int) __THROW; extern void _IO_wdefault_finish (_IO_FILE *, int) __THROW; extern int _IO_default_pbackfail (_IO_FILE *, int) __THROW; extern wint_t _IO_wdefault_pbackfail (_IO_FILE *, wint_t) __THROW; -extern _IO_FILE* _IO_default_setbuf (_IO_FILE *, char *, _IO_ssize_t) __THROW; +extern _IO_FILE* _IO_default_setbuf (_IO_FILE *, char *, _IO_ssize_t); extern _IO_size_t _IO_default_xsputn (_IO_FILE *, const void *, _IO_size_t); extern _IO_size_t _IO_wdefault_xsputn (_IO_FILE *, const void *, _IO_size_t); extern _IO_size_t _IO_default_xsgetn (_IO_FILE *, void *, _IO_size_t); extern _IO_size_t _IO_wdefault_xsgetn (_IO_FILE *, void *, _IO_size_t); extern _IO_off64_t _IO_default_seekoff (_IO_FILE *, _IO_off64_t, int, int) __THROW; -extern _IO_off64_t _IO_default_seekpos (_IO_FILE *, _IO_off64_t, int) __THROW; +extern _IO_off64_t _IO_default_seekpos (_IO_FILE *, _IO_off64_t, int); extern _IO_ssize_t _IO_default_write (_IO_FILE *, const void *, _IO_ssize_t); extern _IO_ssize_t _IO_default_read (_IO_FILE *, void *, _IO_ssize_t); extern int _IO_default_stat (_IO_FILE *, void *) __THROW; @@ -469,23 +472,23 @@ extern const struct _IO_jump_t _IO_streambuf_jumps; extern const struct _IO_jump_t _IO_old_proc_jumps attribute_hidden; extern const struct _IO_jump_t _IO_str_jumps attribute_hidden; extern const struct _IO_jump_t _IO_wstr_jumps attribute_hidden; -extern struct _IO_codecvt __libio_codecvt attribute_hidden; -extern int _IO_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; -extern int _IO_new_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; -extern int _IO_old_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; -extern int _IO_wdo_write (_IO_FILE *, const wchar_t *, _IO_size_t) __THROW; -extern int _IO_flush_all_lockp (int) __THROW; -extern int _IO_flush_all (void) __THROW; -extern int _IO_cleanup (void) __THROW; -extern void _IO_flush_all_linebuffered (void) __THROW; -extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *) __THROW; -extern int _IO_old_fgetpos (_IO_FILE *, _IO_fpos_t *) __THROW; -extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *) __THROW; -extern int _IO_old_fsetpos (_IO_FILE *, const _IO_fpos_t *) __THROW; -extern int _IO_new_fgetpos64 (_IO_FILE *, _IO_fpos64_t *) __THROW; -extern int _IO_old_fgetpos64 (_IO_FILE *, _IO_fpos64_t *) __THROW; -extern int _IO_new_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *) __THROW; -extern int _IO_old_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *) __THROW; +extern const struct _IO_codecvt __libio_codecvt attribute_hidden; +extern int _IO_do_write (_IO_FILE *, const char *, _IO_size_t); +extern int _IO_new_do_write (_IO_FILE *, const char *, _IO_size_t); +extern int _IO_old_do_write (_IO_FILE *, const char *, _IO_size_t); +extern int _IO_wdo_write (_IO_FILE *, const wchar_t *, _IO_size_t); +extern int _IO_flush_all_lockp (int); +extern int _IO_flush_all (void); +extern int _IO_cleanup (void); +extern void _IO_flush_all_linebuffered (void); +extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *); +extern int _IO_old_fgetpos (_IO_FILE *, _IO_fpos_t *); +extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *); +extern int _IO_old_fsetpos (_IO_FILE *, const _IO_fpos_t *); +extern int _IO_new_fgetpos64 (_IO_FILE *, _IO_fpos64_t *); +extern int _IO_old_fgetpos64 (_IO_FILE *, _IO_fpos64_t *); +extern int _IO_new_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *); +extern int _IO_old_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *); extern void _IO_old_init (_IO_FILE *fp, int flags) __THROW; @@ -531,95 +534,79 @@ extern void _IO_old_init (_IO_FILE *fp, int flags) __THROW; /* Jumptable functions for files. */ extern int _IO_file_doallocate (_IO_FILE *) __THROW; -extern _IO_FILE* _IO_file_setbuf (_IO_FILE *, char *, _IO_ssize_t) __THROW; -extern _IO_off64_t _IO_file_seekoff (_IO_FILE *, _IO_off64_t, int, int) - __THROW; +extern _IO_FILE* _IO_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); +extern _IO_off64_t _IO_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); extern _IO_off64_t _IO_file_seekoff_mmap (_IO_FILE *, _IO_off64_t, int, int) __THROW; -extern _IO_size_t _IO_file_xsputn (_IO_FILE *, const void *, _IO_size_t) - __THROW; -extern _IO_size_t _IO_file_xsgetn (_IO_FILE *, void *, _IO_size_t) __THROW; +extern _IO_size_t _IO_file_xsputn (_IO_FILE *, const void *, _IO_size_t); +extern _IO_size_t _IO_file_xsgetn (_IO_FILE *, void *, _IO_size_t); extern int _IO_file_stat (_IO_FILE *, void *) __THROW; extern int _IO_file_close (_IO_FILE *) __THROW; extern int _IO_file_close_mmap (_IO_FILE *) __THROW; -extern int _IO_file_underflow (_IO_FILE *) __THROW; -extern int _IO_file_underflow_mmap (_IO_FILE *) __THROW; -extern int _IO_file_underflow_maybe_mmap (_IO_FILE *) __THROW; -extern int _IO_file_overflow (_IO_FILE *, int) __THROW; +extern int _IO_file_underflow (_IO_FILE *); +extern int _IO_file_underflow_mmap (_IO_FILE *); +extern int _IO_file_underflow_maybe_mmap (_IO_FILE *); +extern int _IO_file_overflow (_IO_FILE *, int); #define _IO_file_is_open(__fp) ((__fp)->_fileno != -1) extern void _IO_file_init (struct _IO_FILE_plus *) __THROW; -extern _IO_FILE* _IO_file_attach (_IO_FILE *, int) __THROW; -extern _IO_FILE* _IO_file_open (_IO_FILE *, const char *, int, int, int, int) - __THROW; +extern _IO_FILE* _IO_file_attach (_IO_FILE *, int); +extern _IO_FILE* _IO_file_open (_IO_FILE *, const char *, int, int, int, int); libc_hidden_proto (_IO_file_open) -extern _IO_FILE* _IO_file_fopen (_IO_FILE *, const char *, const char *, int) - __THROW; -extern _IO_ssize_t _IO_file_write (_IO_FILE *, const void *, _IO_ssize_t) - __THROW; -extern _IO_ssize_t _IO_file_read (_IO_FILE *, void *, _IO_ssize_t) __THROW; -extern int _IO_file_sync (_IO_FILE *) __THROW; -extern int _IO_file_close_it (_IO_FILE *) __THROW; +extern _IO_FILE* _IO_file_fopen (_IO_FILE *, const char *, const char *, int); +extern _IO_ssize_t _IO_file_write (_IO_FILE *, const void *, _IO_ssize_t); +extern _IO_ssize_t _IO_file_read (_IO_FILE *, void *, _IO_ssize_t); +extern int _IO_file_sync (_IO_FILE *); +extern int _IO_file_close_it (_IO_FILE *); extern _IO_off64_t _IO_file_seek (_IO_FILE *, _IO_off64_t, int) __THROW; -extern void _IO_file_finish (_IO_FILE *, int) __THROW; +extern void _IO_file_finish (_IO_FILE *, int); -extern _IO_FILE* _IO_new_file_attach (_IO_FILE *, int) __THROW; -extern int _IO_new_file_close_it (_IO_FILE *) __THROW; -extern void _IO_new_file_finish (_IO_FILE *, int) __THROW; +extern _IO_FILE* _IO_new_file_attach (_IO_FILE *, int); +extern int _IO_new_file_close_it (_IO_FILE *); +extern void _IO_new_file_finish (_IO_FILE *, int); extern _IO_FILE* _IO_new_file_fopen (_IO_FILE *, const char *, const char *, - int) __THROW; + int); extern void _IO_no_init (_IO_FILE *, int, int, struct _IO_wide_data *, const struct _IO_jump_t *) __THROW; extern void _IO_new_file_init (struct _IO_FILE_plus *) __THROW; -extern _IO_FILE* _IO_new_file_setbuf (_IO_FILE *, char *, _IO_ssize_t) __THROW; -extern _IO_FILE* _IO_file_setbuf_mmap (_IO_FILE *, char *, _IO_ssize_t) - __THROW; -extern int _IO_new_file_sync (_IO_FILE *) __THROW; -extern int _IO_new_file_underflow (_IO_FILE *) __THROW; -extern int _IO_new_file_overflow (_IO_FILE *, int) __THROW; -extern _IO_off64_t _IO_new_file_seekoff (_IO_FILE *, _IO_off64_t, int, int) - __THROW; -extern _IO_ssize_t _IO_new_file_write (_IO_FILE *, const void *, _IO_ssize_t) - __THROW; -extern _IO_size_t _IO_new_file_xsputn (_IO_FILE *, const void *, _IO_size_t) - __THROW; - -extern _IO_FILE* _IO_old_file_setbuf (_IO_FILE *, char *, _IO_ssize_t) __THROW; -extern _IO_off64_t _IO_old_file_seekoff (_IO_FILE *, _IO_off64_t, int, int) - __THROW; -extern _IO_size_t _IO_old_file_xsputn (_IO_FILE *, const void *, _IO_size_t) - __THROW; -extern int _IO_old_file_underflow (_IO_FILE *) __THROW; -extern int _IO_old_file_overflow (_IO_FILE *, int) __THROW; +extern _IO_FILE* _IO_new_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); +extern _IO_FILE* _IO_file_setbuf_mmap (_IO_FILE *, char *, _IO_ssize_t); +extern int _IO_new_file_sync (_IO_FILE *); +extern int _IO_new_file_underflow (_IO_FILE *); +extern int _IO_new_file_overflow (_IO_FILE *, int); +extern _IO_off64_t _IO_new_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); +extern _IO_ssize_t _IO_new_file_write (_IO_FILE *, const void *, _IO_ssize_t); +extern _IO_size_t _IO_new_file_xsputn (_IO_FILE *, const void *, _IO_size_t); + +extern _IO_FILE* _IO_old_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); +extern _IO_off64_t _IO_old_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); +extern _IO_size_t _IO_old_file_xsputn (_IO_FILE *, const void *, _IO_size_t); +extern int _IO_old_file_underflow (_IO_FILE *); +extern int _IO_old_file_overflow (_IO_FILE *, int); extern void _IO_old_file_init (struct _IO_FILE_plus *) __THROW; -extern _IO_FILE* _IO_old_file_attach (_IO_FILE *, int) __THROW; -extern _IO_FILE* _IO_old_file_fopen (_IO_FILE *, const char *, const char *) - __THROW; -extern _IO_ssize_t _IO_old_file_write (_IO_FILE *, const void *, _IO_ssize_t) - __THROW; -extern int _IO_old_file_sync (_IO_FILE *) __THROW; -extern int _IO_old_file_close_it (_IO_FILE *) __THROW; -extern void _IO_old_file_finish (_IO_FILE *, int) __THROW; +extern _IO_FILE* _IO_old_file_attach (_IO_FILE *, int); +extern _IO_FILE* _IO_old_file_fopen (_IO_FILE *, const char *, const char *); +extern _IO_ssize_t _IO_old_file_write (_IO_FILE *, const void *, _IO_ssize_t); +extern int _IO_old_file_sync (_IO_FILE *); +extern int _IO_old_file_close_it (_IO_FILE *); +extern void _IO_old_file_finish (_IO_FILE *, int); extern int _IO_wfile_doallocate (_IO_FILE *) __THROW; -extern _IO_size_t _IO_wfile_xsputn (_IO_FILE *, const void *, _IO_size_t) - __THROW; -extern _IO_FILE* _IO_wfile_setbuf (_IO_FILE *, wchar_t *, _IO_ssize_t) __THROW; -extern wint_t _IO_wfile_sync (_IO_FILE *) __THROW; -extern wint_t _IO_wfile_underflow (_IO_FILE *) __THROW; -extern wint_t _IO_wfile_overflow (_IO_FILE *, wint_t) __THROW; -extern _IO_off64_t _IO_wfile_seekoff (_IO_FILE *, _IO_off64_t, int, int) - __THROW; +extern _IO_size_t _IO_wfile_xsputn (_IO_FILE *, const void *, _IO_size_t); +extern _IO_FILE* _IO_wfile_setbuf (_IO_FILE *, wchar_t *, _IO_ssize_t); +extern wint_t _IO_wfile_sync (_IO_FILE *); +extern wint_t _IO_wfile_underflow (_IO_FILE *); +extern wint_t _IO_wfile_overflow (_IO_FILE *, wint_t); +extern _IO_off64_t _IO_wfile_seekoff (_IO_FILE *, _IO_off64_t, int, int); /* Jumptable functions for proc_files. */ extern _IO_FILE* _IO_proc_open (_IO_FILE *, const char *, const char *) __THROW; extern _IO_FILE* _IO_new_proc_open (_IO_FILE *, const char *, const char *) __THROW; -extern _IO_FILE* _IO_old_proc_open (_IO_FILE *, const char *, const char *) - __THROW; +extern _IO_FILE* _IO_old_proc_open (_IO_FILE *, const char *, const char *); extern int _IO_proc_close (_IO_FILE *) __THROW; extern int _IO_new_proc_close (_IO_FILE *) __THROW; -extern int _IO_old_proc_close (_IO_FILE *) __THROW; +extern int _IO_old_proc_close (_IO_FILE *); /* Jumptable functions for strfiles. */ extern int _IO_str_underflow (_IO_FILE *) __THROW; @@ -649,7 +636,7 @@ extern void _IO_wstr_finish (_IO_FILE *, int) __THROW; extern int _IO_vasprintf (char **result_ptr, __const char *format, _IO_va_list args) __THROW; -extern int _IO_vdprintf (int d, __const char *format, _IO_va_list arg) __THROW; +extern int _IO_vdprintf (int d, __const char *format, _IO_va_list arg); extern int _IO_vsnprintf (char *string, _IO_size_t maxlen, __const char *format, _IO_va_list args) __THROW; @@ -657,73 +644,62 @@ extern int _IO_vsnprintf (char *string, _IO_size_t maxlen, extern _IO_size_t _IO_getline (_IO_FILE *,char *, _IO_size_t, int, int); extern _IO_size_t _IO_getline_info (_IO_FILE *,char *, _IO_size_t, int, int, int *); -extern _IO_ssize_t _IO_getdelim (char **, _IO_size_t *, int, _IO_FILE *) - __THROW; +extern _IO_ssize_t _IO_getdelim (char **, _IO_size_t *, int, _IO_FILE *); extern _IO_size_t _IO_getwline (_IO_FILE *,wchar_t *, _IO_size_t, wint_t, int); extern _IO_size_t _IO_getwline_info (_IO_FILE *,wchar_t *, _IO_size_t, wint_t, int, wint_t *); -extern double _IO_strtod (const char *, char **) __THROW; -extern char *_IO_dtoa (double __d, int __mode, int __ndigits, - int *__decpt, int *__sign, char **__rve) __THROW; -extern int _IO_outfloat (double __value, _IO_FILE *__sb, int __type, - int __width, int __precision, int __flags, - int __sign_mode, int __fill) __THROW; extern struct _IO_FILE_plus *_IO_list_all; extern void (*_IO_cleanup_registration_needed) (void); /* Prototype for functions with alternative entry point. */ -extern int _IO_flush_all_internal (void) __THROW; -extern unsigned _IO_adjust_column_internal (unsigned, const char *, int) - __THROW; +extern int _IO_flush_all_internal (void); +extern unsigned _IO_adjust_column_internal (unsigned, const char *, int); -extern int _IO_default_uflow_internal (_IO_FILE *) __THROW; +extern int _IO_default_uflow_internal (_IO_FILE *); extern void _IO_default_finish_internal (_IO_FILE *, int) __THROW; extern int _IO_default_pbackfail_internal (_IO_FILE *, int) __THROW; extern _IO_size_t _IO_default_xsputn_internal (_IO_FILE *, const void *, - _IO_size_t) __THROW; -extern _IO_size_t _IO_default_xsgetn_internal (_IO_FILE *, void *, _IO_size_t) - __THROW; + _IO_size_t); +extern _IO_size_t _IO_default_xsgetn_internal (_IO_FILE *, void *, _IO_size_t); extern int _IO_default_doallocate_internal (_IO_FILE *) __THROW; extern void _IO_wdefault_finish_internal (_IO_FILE *, int) __THROW; extern wint_t _IO_wdefault_pbackfail_internal (_IO_FILE *, wint_t) __THROW; extern _IO_size_t _IO_wdefault_xsputn_internal (_IO_FILE *, const void *, - _IO_size_t) __THROW; + _IO_size_t); extern _IO_size_t _IO_wdefault_xsgetn_internal (_IO_FILE *, void *, - _IO_size_t) __THROW; + _IO_size_t); extern int _IO_wdefault_doallocate_internal (_IO_FILE *) __THROW; -extern wint_t _IO_wdefault_uflow_internal (_IO_FILE *) __THROW; +extern wint_t _IO_wdefault_uflow_internal (_IO_FILE *); extern int _IO_file_doallocate_internal (_IO_FILE *) __THROW; -extern _IO_FILE* _IO_file_setbuf_internal (_IO_FILE *, char *, _IO_ssize_t) - __THROW; +extern _IO_FILE* _IO_file_setbuf_internal (_IO_FILE *, char *, _IO_ssize_t); extern _IO_off64_t _IO_file_seekoff_internal (_IO_FILE *, _IO_off64_t, - int, int) __THROW; + int, int); extern _IO_size_t _IO_file_xsputn_internal (_IO_FILE *, const void *, - _IO_size_t) __THROW; -extern _IO_size_t _IO_file_xsgetn_internal (_IO_FILE *, void *, _IO_size_t) - __THROW; + _IO_size_t); +extern _IO_size_t _IO_file_xsgetn_internal (_IO_FILE *, void *, _IO_size_t); extern int _IO_file_stat_internal (_IO_FILE *, void *) __THROW; extern int _IO_file_close_internal (_IO_FILE *) __THROW; -extern int _IO_file_close_it_internal (_IO_FILE *) __THROW; -extern int _IO_file_underflow_internal (_IO_FILE *) __THROW; -extern int _IO_file_overflow_internal (_IO_FILE *, int) __THROW; +extern int _IO_file_close_it_internal (_IO_FILE *); +extern int _IO_file_underflow_internal (_IO_FILE *); +extern int _IO_file_overflow_internal (_IO_FILE *, int); extern void _IO_file_init_internal (struct _IO_FILE_plus *) __THROW; -extern _IO_FILE* _IO_file_attach_internal (_IO_FILE *, int) __THROW; +extern _IO_FILE* _IO_file_attach_internal (_IO_FILE *, int); extern _IO_FILE* _IO_file_fopen_internal (_IO_FILE *, const char *, - const char *, int) __THROW; + const char *, int); extern _IO_ssize_t _IO_file_read_internal (_IO_FILE *, void *, _IO_ssize_t); -extern int _IO_file_sync_internal (_IO_FILE *) __THROW; +extern int _IO_file_sync_internal (_IO_FILE *); extern _IO_off64_t _IO_file_seek_internal (_IO_FILE *, _IO_off64_t, int) __THROW; -extern void _IO_file_finish_internal (_IO_FILE *, int) __THROW; +extern void _IO_file_finish_internal (_IO_FILE *, int); extern _IO_size_t _IO_wfile_xsputn_internal (_IO_FILE *, const void *, - _IO_size_t) __THROW; + _IO_size_t); extern _IO_off64_t _IO_wfile_seekoff_internal (_IO_FILE *, _IO_off64_t, - int, int) __THROW; -extern wint_t _IO_wfile_sync_internal (_IO_FILE *) __THROW; + int, int); +extern wint_t _IO_wfile_sync_internal (_IO_FILE *); extern int _IO_str_underflow_internal (_IO_FILE *) __THROW; extern int _IO_str_overflow_internal (_IO_FILE *, int) __THROW; @@ -744,12 +720,12 @@ extern void _IO_wdoallocbuf_internal (_IO_FILE *) __THROW; extern _IO_size_t _IO_sgetn_internal (_IO_FILE *, void *, _IO_size_t); extern void _IO_flush_all_linebuffered_internal (void) __THROW; -extern int _IO_switch_to_wget_mode_internal (_IO_FILE *) __THROW; +extern int _IO_switch_to_wget_mode_internal (_IO_FILE *); extern void _IO_unsave_markers_internal (_IO_FILE *) __THROW; extern void _IO_switch_to_main_wget_area_internal (_IO_FILE *) __THROW; extern int _IO_wdo_write_internal (_IO_FILE *, const wchar_t *, _IO_size_t); extern int _IO_do_write_internal (_IO_FILE *, const char *, _IO_size_t); -extern _IO_ssize_t _IO_padn_internal (_IO_FILE *, int, _IO_ssize_t) __THROW; +extern _IO_ssize_t _IO_padn_internal (_IO_FILE *, int, _IO_ssize_t); extern _IO_size_t _IO_getline_info_internal (_IO_FILE *,char *, _IO_size_t, int, int, int *); extern _IO_size_t _IO_getline_internal (_IO_FILE *, char *, _IO_size_t, int, @@ -759,7 +735,7 @@ extern void _IO_free_backup_area_internal (_IO_FILE *) __THROW; extern void _IO_switch_to_wbackup_area_internal (_IO_FILE *) __THROW; extern void _IO_setb_internal (_IO_FILE *, char *, char *, int) __THROW; extern wint_t _IO_sputbackwc_internal (_IO_FILE *, wint_t) __THROW; -extern int _IO_switch_to_get_mode_internal (_IO_FILE *) __THROW; +extern int _IO_switch_to_get_mode_internal (_IO_FILE *); extern int _IO_vfscanf_internal (_IO_FILE * __restrict, const char * __restrict, _IO_va_list, int *__restrict); @@ -769,9 +745,9 @@ extern void _IO_doallocbuf_internal (_IO_FILE *) __THROW; extern void _IO_wsetb_internal (_IO_FILE *, wchar_t *, wchar_t *, int) __THROW; extern _IO_off64_t _IO_seekoff_unlocked (_IO_FILE *, _IO_off64_t, int, int) - attribute_hidden __THROW; + attribute_hidden; extern _IO_off64_t _IO_seekpos_unlocked (_IO_FILE *, _IO_off64_t, int) - attribute_hidden __THROW; + attribute_hidden; extern int _IO_putc_internal (int __c, _IO_FILE *__fp); extern void _IO_init_internal (_IO_FILE *, int) __THROW; extern void _IO_un_link_internal (struct _IO_FILE_plus *) __THROW; @@ -863,12 +839,6 @@ extern void _IO_un_link_internal (struct _IO_FILE_plus *) __THROW; #ifndef OS_FSTAT # define OS_FSTAT fstat #endif -struct stat; -extern _IO_ssize_t _IO_read (int, void *, _IO_size_t); -extern _IO_ssize_t _IO_write (int, const void *, _IO_size_t); -extern _IO_off64_t _IO_lseek (int, _IO_off64_t, int) __THROW; -extern int _IO_close (int); -extern int _IO_fstat (int, struct stat *) __THROW; extern int _IO_vscanf (const char *, _IO_va_list) __THROW; /* _IO_pos_BAD is an _IO_off64_t value indicating error, unknown, or EOF. */ diff --git a/libio/memstream.c b/libio/memstream.c index 4cc9ab2dfc..877383f3a8 100644 --- a/libio/memstream.c +++ b/libio/memstream.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995-97,99,2000,2002,2003,2004 Free Software Foundation, Inc. +/* Copyright (C) 1995-97,99,2000,2002-2004,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -83,7 +83,7 @@ open_memstream (bufloc, sizeloc) new_f->fp._sf._sbf._f._lock = &new_f->lock; #endif - buf = malloc (_IO_BUFSIZ); + buf = calloc (1, _IO_BUFSIZ); if (buf == NULL) return NULL; INTUSE(_IO_init) (&new_f->fp._sf._sbf._f, 0); @@ -106,11 +106,6 @@ _IO_mem_sync (fp) _IO_FILE* fp; { struct _IO_FILE_memstream *mp = (struct _IO_FILE_memstream *) fp; - int res; - - res = _IO_default_sync (fp); - if (res < 0) - return res; if (fp->_IO_write_ptr == fp->_IO_write_end) { @@ -140,9 +135,9 @@ _IO_mem_finish (fp, dummy) { (*mp->bufloc)[fp->_IO_write_ptr - fp->_IO_write_base] = '\0'; *mp->sizeloc = fp->_IO_write_ptr - fp->_IO_write_base; - } - fp->_IO_buf_base = NULL; + fp->_IO_buf_base = NULL; + } - INTUSE(_IO_default_finish) (fp, 0); + _IO_str_finish (fp, 0); } diff --git a/libio/obprintf.c b/libio/obprintf.c index 19300e80a3..0a50c8e0fc 100644 --- a/libio/obprintf.c +++ b/libio/obprintf.c @@ -1,5 +1,6 @@ /* Print output of stream to given obstack. - Copyright (C) 1996,1997,1999-2003, 2004 Free Software Foundation, Inc. + Copyright (C) 1996,1997,1999,2000,2001,2002,2003,2004,2005,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -23,6 +24,7 @@ #include <stdlib.h> #endif #include "libioP.h" +#include "strfile.h" #include <assert.h> #include <string.h> #include <errno.h> @@ -174,9 +176,7 @@ _IO_obstack_vprintf (struct obstack *obstack, const char *format, va_list args) return result; } -#ifdef weak_alias -weak_alias (_IO_obstack_vprintf, obstack_vprintf) -#endif +ldbl_weak_alias (_IO_obstack_vprintf, obstack_vprintf) int @@ -189,6 +189,4 @@ _IO_obstack_printf (struct obstack *obstack, const char *format, ...) va_end (ap); return result; } -#ifdef weak_alias -weak_alias (_IO_obstack_printf, obstack_printf) -#endif +ldbl_weak_alias (_IO_obstack_printf, obstack_printf) diff --git a/libio/oldfileops.c b/libio/oldfileops.c index b9efca7aa8..3bd0aa175b 100644 --- a/libio/oldfileops.c +++ b/libio/oldfileops.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993, 1995, 1997-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1995, 1997-2004, 2005, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Per Bothner <bothner@cygnus.com>. @@ -271,7 +272,7 @@ _IO_old_file_setbuf (fp, p, len) return fp; } -static int old_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; +static int old_do_write (_IO_FILE *, const char *, _IO_size_t); /* Write TO_DO bytes from DATA to FP. Then mark FP as having empty buffers. */ @@ -695,7 +696,7 @@ _IO_old_file_xsputn (f, data, n) register const char *s = (char *) data; _IO_size_t to_do = n; int must_flush = 0; - _IO_size_t count; + _IO_size_t count = 0; if (n <= 0) return 0; @@ -704,7 +705,6 @@ _IO_old_file_xsputn (f, data, n) (or the filebuf is unbuffered), use sys_write directly. */ /* First figure out how much space is available in the buffer. */ - count = f->_IO_write_end - f->_IO_write_ptr; /* Space available. */ if ((f->_flags & _IO_LINE_BUF) && (f->_flags & _IO_CURRENTLY_PUTTING)) { count = f->_IO_buf_end - f->_IO_write_ptr; @@ -722,6 +722,9 @@ _IO_old_file_xsputn (f, data, n) } } } + else if (f->_IO_write_end > f->_IO_write_ptr) + count = f->_IO_write_end - f->_IO_write_ptr; /* Space available. */ + /* Then fill the buffer. */ if (count > 0) { @@ -752,7 +755,7 @@ _IO_old_file_xsputn (f, data, n) _IO_size_t block_size, do_write; /* Next flush the (full) buffer. */ if (__overflow (f, EOF) == EOF) - return n - to_do; + return to_do == 0 ? EOF : n - to_do; /* Try to maintain alignment: write a whole number of blocks. dont_write is what gets left over. */ diff --git a/libio/oldiofclose.c b/libio/oldiofclose.c index 8dd321b054..62c3154118 100644 --- a/libio/oldiofclose.c +++ b/libio/oldiofclose.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1995, 1997-2002, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1993,1995,1997-2002,2004,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -58,8 +58,8 @@ _IO_old_fclose (fp) status = _IO_old_file_close_it (fp); else status = fp->_flags & _IO_ERR_SEEN ? -1 : 0; - _IO_FINISH (fp); _IO_release_lock (fp); + _IO_FINISH (fp); if (_IO_have_backup (fp)) INTUSE(_IO_free_backup_area) (fp); if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr) diff --git a/libio/stdio.h b/libio/stdio.h index e1081c9039..c8fe52cf31 100644 --- a/libio/stdio.h +++ b/libio/stdio.h @@ -1,5 +1,5 @@ /* Define ISO C stdio on top of C++ iostreams. - Copyright (C) 1991,1994-2002,2003,2004 Free Software Foundation, Inc. + Copyright (C) 1991,1994-2004,2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -142,10 +142,12 @@ typedef _G_fpos64_t fpos64_t; extern struct _IO_FILE *stdin; /* Standard input stream. */ extern struct _IO_FILE *stdout; /* Standard output stream. */ extern struct _IO_FILE *stderr; /* Standard error output stream. */ +#ifdef __STDC__ /* C89/C99 say they're macros. Make them happy. */ #define stdin stdin #define stdout stdout #define stderr stderr +#endif __BEGIN_NAMESPACE_STD /* Remove file FILENAME. */ @@ -154,6 +156,11 @@ extern int remove (__const char *__filename) __THROW; extern int rename (__const char *__old, __const char *__new) __THROW; __END_NAMESPACE_STD +#ifdef __USE_ATFILE +/* Rename file OLD relative to OLDFD to NEW relative to NEWFD. */ +extern int renameat (int __oldfd, __const char *__old, int __newfd, + __const char *__new) __THROW; +#endif __BEGIN_NAMESPACE_STD /* Create a temporary file and open it read/write. @@ -286,8 +293,7 @@ extern FILE *fmemopen (void *__s, size_t __len, __const char *__modes) __THROW; /* Open a stream that writes into a malloc'd buffer that is expanded as necessary. *BUFLOC and *SIZELOC are updated with the buffer's location and the number of characters written on fflush or fclose. */ -extern FILE *open_memstream (char **__restrict __bufloc, - size_t *__restrict __sizeloc) __THROW; +extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __THROW; #endif @@ -391,12 +397,12 @@ __BEGIN_NAMESPACE_STD This function is a possible cancellation point and therefore not marked with __THROW. */ extern int fscanf (FILE *__restrict __stream, - __const char *__restrict __format, ...); + __const char *__restrict __format, ...) __wur; /* Read formatted input from stdin. This function is a possible cancellation point and therefore not marked with __THROW. */ -extern int scanf (__const char *__restrict __format, ...); +extern int scanf (__const char *__restrict __format, ...) __wur; /* Read formatted input from S. */ extern int sscanf (__const char *__restrict __s, __const char *__restrict __format, ...) __THROW; @@ -410,14 +416,14 @@ __BEGIN_NAMESPACE_C99 marked with __THROW. */ extern int vfscanf (FILE *__restrict __s, __const char *__restrict __format, _G_va_list __arg) - __attribute__ ((__format__ (__scanf__, 2, 0))); + __attribute__ ((__format__ (__scanf__, 2, 0))) __wur; /* Read formatted input from stdin into argument list ARG. This function is a possible cancellation point and therefore not marked with __THROW. */ extern int vscanf (__const char *__restrict __format, _G_va_list __arg) - __attribute__ ((__format__ (__scanf__, 1, 0))); + __attribute__ ((__format__ (__scanf__, 1, 0))) __wur; /* Read formatted input from S into argument list ARG. */ extern int vsscanf (__const char *__restrict __s, @@ -523,14 +529,15 @@ __BEGIN_NAMESPACE_STD This function is a possible cancellation point and therefore not marked with __THROW. */ -extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream); +extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream) + __wur; /* Get a newline-terminated string from stdin, removing the newline. DO NOT USE THIS FUNCTION!! There is no limit on how much it will read. This function is a possible cancellation point and therefore not marked with __THROW. */ -extern char *gets (char *__s); +extern char *gets (char *__s) __wur; __END_NAMESPACE_STD #ifdef __USE_GNU @@ -541,7 +548,7 @@ __END_NAMESPACE_STD or due to the implementation it is a cancellation point and therefore not marked with __THROW. */ extern char *fgets_unlocked (char *__restrict __s, int __n, - FILE *__restrict __stream); + FILE *__restrict __stream) __wur; #endif @@ -558,10 +565,10 @@ extern char *fgets_unlocked (char *__restrict __s, int __n, therefore not marked with __THROW. */ extern _IO_ssize_t __getdelim (char **__restrict __lineptr, size_t *__restrict __n, int __delimiter, - FILE *__restrict __stream); + FILE *__restrict __stream) __wur; extern _IO_ssize_t getdelim (char **__restrict __lineptr, size_t *__restrict __n, int __delimiter, - FILE *__restrict __stream); + FILE *__restrict __stream) __wur; /* Like `getdelim', but reads up to a newline. @@ -571,7 +578,7 @@ extern _IO_ssize_t getdelim (char **__restrict __lineptr, therefore not marked with __THROW. */ extern _IO_ssize_t getline (char **__restrict __lineptr, size_t *__restrict __n, - FILE *__restrict __stream); + FILE *__restrict __stream) __wur; #endif @@ -601,13 +608,13 @@ extern int ungetc (int __c, FILE *__stream); This function is a possible cancellation points and therefore not marked with __THROW. */ extern size_t fread (void *__restrict __ptr, size_t __size, - size_t __n, FILE *__restrict __stream); + size_t __n, FILE *__restrict __stream) __wur; /* Write chunks of generic data to STREAM. This function is a possible cancellation points and therefore not marked with __THROW. */ extern size_t fwrite (__const void *__restrict __ptr, size_t __size, - size_t __n, FILE *__restrict __s); + size_t __n, FILE *__restrict __s) __wur; __END_NAMESPACE_STD #ifdef __USE_GNU @@ -629,9 +636,9 @@ extern int fputs_unlocked (__const char *__restrict __s, or due to the implementation they are cancellation points and therefore not marked with __THROW. */ extern size_t fread_unlocked (void *__restrict __ptr, size_t __size, - size_t __n, FILE *__restrict __stream); + size_t __n, FILE *__restrict __stream) __wur; extern size_t fwrite_unlocked (__const void *__restrict __ptr, size_t __size, - size_t __n, FILE *__restrict __stream); + size_t __n, FILE *__restrict __stream) __wur; #endif @@ -645,7 +652,7 @@ extern int fseek (FILE *__stream, long int __off, int __whence); This function is a possible cancellation point and therefore not marked with __THROW. */ -extern long int ftell (FILE *__stream); +extern long int ftell (FILE *__stream) __wur; /* Rewind to the beginning of STREAM. This function is a possible cancellation point and therefore not @@ -669,7 +676,7 @@ extern int fseeko (FILE *__stream, __off_t __off, int __whence); This function is a possible cancellation point and therefore not marked with __THROW. */ -extern __off_t ftello (FILE *__stream); +extern __off_t ftello (FILE *__stream) __wur; # else # ifdef __REDIRECT extern int __REDIRECT (fseeko, @@ -710,7 +717,7 @@ __END_NAMESPACE_STD #ifdef __USE_LARGEFILE64 extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence); -extern __off64_t ftello64 (FILE *__stream); +extern __off64_t ftello64 (FILE *__stream) __wur; extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos); extern int fsetpos64 (FILE *__stream, __const fpos64_t *__pos); #endif @@ -719,16 +726,16 @@ __BEGIN_NAMESPACE_STD /* Clear the error and EOF indicators for STREAM. */ extern void clearerr (FILE *__stream) __THROW; /* Return the EOF indicator for STREAM. */ -extern int feof (FILE *__stream) __THROW; +extern int feof (FILE *__stream) __THROW __wur; /* Return the error indicator for STREAM. */ -extern int ferror (FILE *__stream) __THROW; +extern int ferror (FILE *__stream) __THROW __wur; __END_NAMESPACE_STD #ifdef __USE_MISC /* Faster versions when locking is not required. */ extern void clearerr_unlocked (FILE *__stream) __THROW; -extern int feof_unlocked (FILE *__stream) __THROW; -extern int ferror_unlocked (FILE *__stream) __THROW; +extern int feof_unlocked (FILE *__stream) __THROW __wur; +extern int ferror_unlocked (FILE *__stream) __THROW __wur; #endif @@ -749,12 +756,12 @@ __END_NAMESPACE_STD #ifdef __USE_POSIX /* Return the system file descriptor for STREAM. */ -extern int fileno (FILE *__stream) __THROW; +extern int fileno (FILE *__stream) __THROW __wur; #endif /* Use POSIX. */ #ifdef __USE_MISC /* Faster version when locking is not required. */ -extern int fileno_unlocked (FILE *__stream) __THROW; +extern int fileno_unlocked (FILE *__stream) __THROW __wur; #endif @@ -764,7 +771,7 @@ extern int fileno_unlocked (FILE *__stream) __THROW; This function is a possible cancellation point and therefore not marked with __THROW. */ -extern FILE *popen (__const char *__command, __const char *__modes); +extern FILE *popen (__const char *__command, __const char *__modes) __wur; /* Close a stream opened by popen and return the status of its child. @@ -808,7 +815,7 @@ extern void flockfile (FILE *__stream) __THROW; /* Try to acquire ownership of STREAM but do not block if it is not possible. */ -extern int ftrylockfile (FILE *__stream) __THROW; +extern int ftrylockfile (FILE *__stream) __THROW __wur; /* Relinquish the ownership granted for STREAM. */ extern void funlockfile (FILE *__stream) __THROW; @@ -830,6 +837,9 @@ extern void funlockfile (FILE *__stream) __THROW; #if __USE_FORTIFY_LEVEL > 0 && !defined __cplusplus # include <bits/stdio2.h> #endif +#ifdef __LDBL_COMPAT +# include <bits/stdio-ldbl.h> +#endif __END_DECLS diff --git a/libio/strfile.h b/libio/strfile.h index b91111a9d6..53a36a3db8 100644 --- a/libio/strfile.h +++ b/libio/strfile.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1997, 1998, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997, 1998, 1999, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -73,3 +73,14 @@ typedef struct } _IO_strnfile; extern const struct _IO_jump_t _IO_strn_jumps attribute_hidden; + + +typedef struct +{ + _IO_strfile f; + /* This is used for the characters which do not fit in the buffer + provided by the user. */ + wchar_t overflow_buf[64]; +} _IO_wstrnfile; + +extern const struct _IO_jump_t _IO_wstrn_jumps attribute_hidden; diff --git a/libio/strops.c b/libio/strops.c index 2de83403a2..05270ce407 100644 --- a/libio/strops.c +++ b/libio/strops.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1997-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997-2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,43 +25,12 @@ This exception applies to code released by its copyright holders in files containing the exception. */ +#include <assert.h> #include "strfile.h" #include "libioP.h" #include <string.h> #include <stdio_ext.h> -#if 0 -/* The following definitions are for exposition only. - They map the terminology used in the ANSI/ISO C++ draft standard - to the implementation. */ - -/* allocated: set when a dynamic array object has been allocated, and - hence should be freed by the destructor for the strstreambuf object. */ -#define ALLOCATED(FP) ((FP)->_f._IO_buf_base && DYNAMIC(FP)) - -/* constant: set when the array object has const elements, - so the output sequence cannot be written. */ -#define CONSTANT(FP) ((FP)->_f._IO_file_flags & _IO_NO_WRITES) - -/* alsize: the suggested minimum size for a dynamic array object. */ -#define ALSIZE(FP) ??? /* not stored */ - -/* palloc: points to the function to call to allocate a dynamic array object.*/ -#define PALLOC(FP) \ - ((FP)->_s._allocate_buffer == default_alloc ? 0 : (FP)->_s._allocate_buffer) - -/* pfree: points to the function to call to free a dynamic array object. */ -#define PFREE(FP) \ - ((FP)->_s._free_buffer == default_free ? 0 : (FP)->_s._free_buffer) - -#endif - -#ifdef TODO -/* An "unbounded buffer" is when a buffer is supplied, but with no - specified length. An example is the buffer argument to sprintf. - */ -#endif - void _IO_str_init_static_internal (sf, ptr, size, pstart) _IO_strfile *sf; @@ -134,7 +103,7 @@ _IO_str_overflow (fp, c) fp->_IO_write_ptr = fp->_IO_read_ptr; fp->_IO_read_ptr = fp->_IO_read_end; } - pos = fp->_IO_write_ptr - fp->_IO_write_base; + pos = fp->_IO_write_ptr - fp->_IO_write_base; if (pos >= (_IO_size_t) (_IO_blen (fp) + flush_only)) { if (fp->_flags & _IO_USER_BUF) /* not allowed to enlarge */ @@ -143,7 +112,10 @@ _IO_str_overflow (fp, c) { char *new_buf; char *old_buf = fp->_IO_buf_base; - _IO_size_t new_size = 2 * _IO_blen (fp) + 100; + size_t old_blen = _IO_blen (fp); + _IO_size_t new_size = 2 * old_blen + 100; + if (new_size < old_blen) + return EOF; new_buf = (char *) (*((_IO_strfile *) fp)->_s._allocate_buffer) (new_size); if (new_buf == NULL) @@ -153,15 +125,13 @@ _IO_str_overflow (fp, c) } if (old_buf) { - memcpy (new_buf, old_buf, _IO_blen (fp)); + memcpy (new_buf, old_buf, old_blen); (*((_IO_strfile *) fp)->_s._free_buffer) (old_buf); /* Make sure _IO_setb won't try to delete _IO_buf_base. */ fp->_IO_buf_base = NULL; } -#if 0 - if (lenp == &LEN(fp)) /* use '\0'-filling */ - memset (new_buf + pos, 0, blen() - pos); -#endif + memset (new_buf + old_blen, '\0', new_size - old_blen); + INTUSE(_IO_setb) (fp, new_buf, new_buf + new_size, 1); fp->_IO_read_base = new_buf + (fp->_IO_read_base - old_buf); fp->_IO_read_ptr = new_buf + (fp->_IO_read_ptr - old_buf); @@ -211,6 +181,71 @@ _IO_str_count (fp) - fp->_IO_read_base); } + +static int +enlarge_userbuf (_IO_FILE *fp, _IO_off64_t offset, int reading) +{ + if ((_IO_ssize_t) offset <= _IO_blen (fp)) + return 0; + + _IO_ssize_t oldend = fp->_IO_write_end - fp->_IO_write_base; + + /* Try to enlarge the buffer. */ + if (fp->_flags & _IO_USER_BUF) + /* User-provided buffer. */ + return 1; + + _IO_size_t newsize = offset + 100; + char *oldbuf = fp->_IO_buf_base; + char *newbuf + = (char *) (*((_IO_strfile *) fp)->_s._allocate_buffer) (newsize); + if (newbuf == NULL) + return 1; + + if (oldbuf != NULL) + { + memcpy (newbuf, oldbuf, _IO_blen (fp)); + (*((_IO_strfile *) fp)->_s._free_buffer) (oldbuf); + /* Make sure _IO_setb won't try to delete + _IO_buf_base. */ + fp->_IO_buf_base = NULL; + } + + INTUSE(_IO_setb) (fp, newbuf, newbuf + newsize, 1); + + if (reading) + { + fp->_IO_write_base = newbuf + (fp->_IO_write_base - oldbuf); + fp->_IO_write_ptr = newbuf + (fp->_IO_write_ptr - oldbuf); + fp->_IO_write_end = newbuf + (fp->_IO_write_end - oldbuf); + fp->_IO_read_ptr = newbuf + (fp->_IO_read_ptr - oldbuf); + + fp->_IO_read_base = newbuf; + fp->_IO_read_end = fp->_IO_buf_end; + } + else + { + fp->_IO_read_base = newbuf + (fp->_IO_read_base - oldbuf); + fp->_IO_read_ptr = newbuf + (fp->_IO_read_ptr - oldbuf); + fp->_IO_read_end = newbuf + (fp->_IO_read_end - oldbuf); + fp->_IO_write_ptr = newbuf + (fp->_IO_write_ptr - oldbuf); + + fp->_IO_write_base = newbuf; + fp->_IO_write_end = fp->_IO_buf_end; + } + + /* Clear the area between the last write position and th + new position. */ + assert (offset >= oldend); + if (reading) + memset (fp->_IO_read_base + oldend, '\0', offset - oldend); + else + memset (fp->_IO_write_base + oldend, '\0', offset - oldend); + + return 0; +} + + _IO_off64_t _IO_str_seekoff (fp, offset, dir, mode) _IO_FILE *fp; @@ -251,7 +286,10 @@ _IO_str_seekoff (fp, offset, dir, mode) default: /* case _IO_seek_set: */ break; } - if (offset < 0 || (_IO_ssize_t) offset > cur_size) + if (offset < 0) + return EOF; + if ((_IO_ssize_t) offset > cur_size + && enlarge_userbuf (fp, offset, 1) != 0) return EOF; fp->_IO_read_ptr = fp->_IO_read_base + offset; fp->_IO_read_end = fp->_IO_read_base + cur_size; @@ -272,7 +310,10 @@ _IO_str_seekoff (fp, offset, dir, mode) default: /* case _IO_seek_set: */ break; } - if (offset < 0 || (_IO_ssize_t) offset > cur_size) + if (offset < 0) + return EOF; + if ((_IO_ssize_t) offset > cur_size + && enlarge_userbuf (fp, offset, 0) != 0) return EOF; fp->_IO_write_ptr = fp->_IO_write_base + offset; new_pos = offset; diff --git a/libio/swprintf.c b/libio/swprintf.c index 298c1e7537..ea0bdfd33c 100644 --- a/libio/swprintf.c +++ b/libio/swprintf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991,1995,1997,1998,1999,2000,2003 +/* Copyright (C) 1991,1995,1997,1998,1999,2000,2003,2004,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -17,13 +17,14 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <libioP.h> #include <stdarg.h> #include <wchar.h> /* Write formatted output into S, according to the format string FORMAT. */ /* VARARGS3 */ int -swprintf (wchar_t *s, size_t n, const wchar_t *format, ...) +__swprintf (wchar_t *s, size_t n, const wchar_t *format, ...) { va_list arg; int done; @@ -34,3 +35,4 @@ swprintf (wchar_t *s, size_t n, const wchar_t *format, ...) return done; } +ldbl_strong_alias (__swprintf, swprintf) diff --git a/libio/swscanf.c b/libio/swscanf.c index c837ad14f6..f93d207416 100644 --- a/libio/swscanf.c +++ b/libio/swscanf.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991,1995,1996,1998,1999,2003 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1995, 1996, 1998, 1999, 2003, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,13 +17,14 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <libioP.h> #include <stdarg.h> #include <wchar.h> /* Read formatted input from S, according to the format string FORMAT. */ /* VARARGS2 */ int -swscanf (const wchar_t *s, const wchar_t *format, ...) +__swscanf (const wchar_t *s, const wchar_t *format, ...) { va_list arg; int done; @@ -33,3 +35,4 @@ swscanf (const wchar_t *s, const wchar_t *format, ...) return done; } +ldbl_strong_alias (__swscanf, swscanf) diff --git a/libio/tst-fopenloc2.c b/libio/tst-fopenloc2.c new file mode 100644 index 0000000000..5ddd63446b --- /dev/null +++ b/libio/tst-fopenloc2.c @@ -0,0 +1,116 @@ +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <wchar.h> + + +static const struct +{ + const char *enc; + const char *data; + size_t datalen; + const wchar_t *expected; + size_t expectedlen; +} tests[] = + { + { "UCS-4LE", "a\0\0\0b\0\0\0", 8, L"ab", 2 }, + { "UCS-4BE", "\0\0\0a\0\0\0b", 8, L"ab", 2 }, + }; +#define ntests (sizeof (tests) / sizeof (tests[0])) + + +static int do_test (void); +#define TEST_FUNCTION do_test () + +static void prepare (void); +#define PREPARE(argc, argv) prepare (); + +#include "../test-skeleton.c" + + +static int fd; +static char *tmpname; + + +static void +prepare (void) +{ + fd = create_temp_file ("tst-fopenloc2", &tmpname); + if (fd == -1) + { + puts ("cannot open temp file"); + exit (1); + } +} + + +static int +do_test (void) +{ + for (int i = 0; i < ntests; ++i) + { + if (ftruncate (fd, 0) != 0) + { + printf ("ftruncate in round %d failed\n", i + 1); + return 1; + } + + if (TEMP_FAILURE_RETRY (write (fd, tests[i].data, tests[i].datalen)) + != tests[i].datalen) + { + printf ("write in round %d failed\n", i + 1); + return 1; + } + + if (lseek (fd, 0, SEEK_SET) != 0) + { + printf ("lseek in round %d failed\n", i + 1); + return 1; + } + + char *ccs; + if (asprintf (&ccs, "r,ccs=%s", tests[i].enc) == -1) + { + printf ("asprintf in round %d failed\n", i + 1); + return 1; + } + + FILE *fp = fopen (tmpname, ccs); + if (fp == NULL) + { + printf ("fopen in round %d failed\n", i + 1); + return 1; + } + +#define LINELEN 100 + wchar_t line[LINELEN]; + if (fgetws (line, LINELEN, fp) != line) + { + printf ("fgetws in round %d failed\n", i + 1); + return 1; + } + + if (wcslen (line) != tests[i].expectedlen) + { + printf ("round %d: expected length %zu, got length %zu\n", + i + 1, tests[i].expectedlen, wcslen (line)); + return 1; + } + + if (wcscmp (tests[i].expected, line) != 0) + { + printf ("round %d: expected L\"%ls\", got L\"%ls\"\n", + i + 1, tests[i].expected, line); + return 1; + } + + fclose (fp); + + free (ccs); + } + + close (fd); + + return 0; +} diff --git a/libio/tst-memstream1.c b/libio/tst-memstream1.c new file mode 100644 index 0000000000..d18f5cc22a --- /dev/null +++ b/libio/tst-memstream1.c @@ -0,0 +1,89 @@ +#include <mcheck.h> +#include <stdio.h> + + +#ifndef CHAR_T +# define CHAR_T char +# define W(o) o +# define OPEN_MEMSTREAM open_memstream +#endif + +#define S(s) S1 (s) +#define S1(s) #s + + +static void +mcheck_abort (enum mcheck_status ev) +{ + printf ("mecheck failed with status %d\n", (int) ev); + exit (1); +} + + +static int +do_test (void) +{ + mcheck_pedantic (mcheck_abort); + + CHAR_T *buf = (CHAR_T *) 1l; + size_t len = 12345; + FILE *fp = OPEN_MEMSTREAM (&buf, &len); + if (fp == NULL) + { + printf ("%s failed\n", S(OPEN_MEMSTREAM)); + return 1; + } + + if (fflush (fp) != 0) + { + puts ("fflush failed"); + return 1; + } + + if (len != 0) + { + puts ("string after no write not empty"); + return 1; + } + if (buf == (CHAR_T *) 1l) + { + puts ("buf not updated"); + return 1; + } + if (buf[0] != W('\0')) + { + puts ("buf[0] != 0"); + return 1; + } + + buf = (CHAR_T *) 1l; + len = 12345; + if (fclose (fp) != 0) + { + puts ("fclose failed"); + return 1; + } + + if (len != 0) + { + puts ("string after close with no write not empty"); + return 1; + } + if (buf == (CHAR_T *) 1l) + { + puts ("buf not updated"); + return 1; + } + if (buf[0] != W('\0')) + { + puts ("buf[0] != 0"); + return 1; + } + + free (buf); + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/libio/tst-memstream2.c b/libio/tst-memstream2.c new file mode 100644 index 0000000000..9619d7725d --- /dev/null +++ b/libio/tst-memstream2.c @@ -0,0 +1,104 @@ +#include <mcheck.h> +#include <stdio.h> + + +#ifndef CHAR_T +# define CHAR_T char +# define W(o) o +# define OPEN_MEMSTREAM open_memstream +#endif + +#define S(s) S1 (s) +#define S1(s) #s + + +static void +mcheck_abort (enum mcheck_status ev) +{ + printf ("mecheck failed with status %d\n", (int) ev); + exit (1); +} + + +static int +do_test (void) +{ + mcheck_pedantic (mcheck_abort); + + CHAR_T *buf = (CHAR_T *) 1l; + size_t len = 12345; + FILE *fp = OPEN_MEMSTREAM (&buf, &len); + if (fp == NULL) + { + printf ("%s failed\n", S(OPEN_MEMSTREAM)); + return 1; + } + + for (int outer = 0; outer < 800; ++outer) + { + for (int inner = 0; inner < 100; ++inner) + if (fputc (W('a') + (outer * 100 + inner) % 26, fp) == EOF) + { + printf ("fputc at %d:%d failed\n", outer, inner); + return 1; + } + + if (fflush (fp) != 0) + { + puts ("fflush failed"); + return 1; + } + + if (len != (outer + 1) * 100) + { + printf ("string in round %d not %d bytest long\n", + outer + 1, (outer + 1) * 100); + return 1; + } + if (buf == (CHAR_T *) 1l) + { + printf ("round %d: buf not updated\n", outer + 1); + return 1; + } + for (int inner = 0; inner < (outer + 1) * 100; ++inner) + if (buf[inner] != W('a') + inner % 26) + { + printf ("round %d: buf[%d] != '%c'\n", outer + 1, inner, + (char) (W('a') + inner % 26)); + return 1; + } + } + + buf = (CHAR_T *) 1l; + len = 12345; + if (fclose (fp) != 0) + { + puts ("fclose failed"); + return 1; + } + + if (len != 800 * 100) + { + puts ("string after close not 80000 bytes long"); + return 1; + } + if (buf == (CHAR_T *) 1l) + { + puts ("buf not updated"); + return 1; + } + for (int inner = 0; inner < 800 * 100; ++inner) + if (buf[inner] != W('a') + inner % 26) + { + printf ("after close: buf[%d] != %c\n", inner, + (char) (W('a') + inner % 26)); + return 1; + } + + free (buf); + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/libio/tst-setvbuf1.c b/libio/tst-setvbuf1.c new file mode 100644 index 0000000000..9222d4050d --- /dev/null +++ b/libio/tst-setvbuf1.c @@ -0,0 +1,39 @@ +/* Dereived from the test case in BZ #2337. */ +#include <errno.h> +#include <error.h> +#include <fcntl.h> +#include <locale.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <wchar.h> + + +static char buf[512] __attribute__ ((aligned (4096))); + + +static int +do_test (void) +{ + setlocale (LC_ALL, "de_DE.UTF-8"); + + FILE *fp = fdopen (dup (STDOUT_FILENO), "a"); + if (fp == NULL) + error (EXIT_FAILURE, errno, "fdopen(,\"a\")"); + + setvbuf (fp, buf, _IOFBF, sizeof (buf)); + + /* fwprintf to unbuffered stream. */ + fwprintf (fp, L"hello.\n"); + + fclose (fp); + + /* touch my buffer */ + buf[45] = 'a'; + + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/libio/tst-wmemstream1.c b/libio/tst-wmemstream1.c new file mode 100644 index 0000000000..f8b308bc6c --- /dev/null +++ b/libio/tst-wmemstream1.c @@ -0,0 +1,7 @@ +#include <wchar.h> + +#define CHAR_T wchar_t +#define W(o) L##o +#define OPEN_MEMSTREAM open_wmemstream + +#include "tst-memstream1.c" diff --git a/libio/tst-wmemstream2.c b/libio/tst-wmemstream2.c new file mode 100644 index 0000000000..e2442ebfac --- /dev/null +++ b/libio/tst-wmemstream2.c @@ -0,0 +1,7 @@ +#include <wchar.h> + +#define CHAR_T wchar_t +#define W(o) L##o +#define OPEN_MEMSTREAM open_wmemstream + +#include "tst-memstream2.c" diff --git a/libio/vasprintf.c b/libio/vasprintf.c index e32a488438..2fdb9f6ed2 100644 --- a/libio/vasprintf.c +++ b/libio/vasprintf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995,1997,1999-2002,2004 Free Software Foundation, Inc. +/* Copyright (C) 1995,1997,1999-2002,2004,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -46,6 +46,8 @@ _IO_vasprintf (result_ptr, format, args) int ret; _IO_size_t needed; _IO_size_t allocated; + /* No need to clear the memory here (unlike for open_memstream) since + we know we will never seek on the stream. */ string = (char *) malloc (init_string_size); if (string == NULL) return -1; @@ -87,7 +89,4 @@ _IO_vasprintf (result_ptr, format, args) (*result_ptr)[needed - 1] = '\0'; return ret; } - -#ifdef weak_alias -weak_alias (_IO_vasprintf, vasprintf) -#endif +ldbl_weak_alias (_IO_vasprintf, vasprintf) diff --git a/libio/vscanf.c b/libio/vscanf.c index 477cbaee84..78c30eefdf 100644 --- a/libio/vscanf.c +++ b/libio/vscanf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1997, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997, 2002, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -37,7 +37,4 @@ _IO_vscanf (format, args) { return INTUSE(_IO_vfscanf) (_IO_stdin, format, args, NULL); } - -#ifdef weak_alias -weak_alias (_IO_vscanf, vscanf) -#endif +ldbl_weak_alias (_IO_vscanf, vscanf) diff --git a/libio/vsnprintf.c b/libio/vsnprintf.c index 4250c2d2de..289160e540 100644 --- a/libio/vsnprintf.c +++ b/libio/vsnprintf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1994,1997,1999-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1994,1997,1999-2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -123,8 +123,5 @@ _IO_vsnprintf (string, maxlen, format, args) *sf.f._sbf._f._IO_write_ptr = '\0'; return ret; } - -#ifdef weak_alias -weak_alias (_IO_vsnprintf, __vsnprintf) -weak_alias (_IO_vsnprintf, vsnprintf) -#endif +ldbl_weak_alias (_IO_vsnprintf, __vsnprintf) +ldbl_weak_alias (_IO_vsnprintf, vsnprintf) diff --git a/libio/vswprintf.c b/libio/vswprintf.c index 42168aade4..5bbd20227b 100644 --- a/libio/vswprintf.c +++ b/libio/vswprintf.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1994,1997,1999-2002,2004 Free Software Foundation, Inc. +/* Copyright (C) 1994, 1997, 1999-2002, 2004, 2005, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -29,15 +30,6 @@ #include "strfile.h" -typedef struct -{ - _IO_strfile f; - /* This is used for the characters which do not fit in the buffer - provided by the user. */ - wchar_t overflow_buf[64]; -} _IO_wstrnfile; - - static wint_t _IO_wstrn_overflow (_IO_FILE *fp, wint_t c) __THROW; static wint_t @@ -75,7 +67,7 @@ _IO_wstrn_overflow (fp, c) } -static const struct _IO_jump_t _IO_wstrn_jumps = +const struct _IO_jump_t _IO_wstrn_jumps attribute_hidden = { JUMP_INIT_DUMMY, JUMP_INIT(finish, _IO_wstr_finish), @@ -135,8 +127,5 @@ _IO_vswprintf (string, maxlen, format, args) return ret; } - -#ifdef weak_alias weak_alias (_IO_vswprintf, __vswprintf) -weak_alias (_IO_vswprintf, vswprintf) -#endif +ldbl_weak_alias (_IO_vswprintf, vswprintf) diff --git a/libio/vwprintf.c b/libio/vwprintf.c index 814fdf32bf..bd9a950c7c 100644 --- a/libio/vwprintf.c +++ b/libio/vwprintf.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991,1993,1995,1997,1999,2001 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1993, 1995, 1997, 1999, 2001, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <libioP.h> #include <stdarg.h> #include <stdio.h> #include <wchar.h> @@ -23,9 +25,8 @@ /* Write formatted output to stdout according to the format string FORMAT, using the argument list in ARG. */ int -vwprintf (format, arg) - const wchar_t *format; - __gnuc_va_list arg; +__vwprintf (const wchar_t *format, __gnuc_va_list arg) { return __vfwprintf (stdout, format, arg); } +ldbl_strong_alias (__vwprintf, vwprintf) diff --git a/libio/vwscanf.c b/libio/vwscanf.c index cd7af9ce5b..f6d04e8e87 100644 --- a/libio/vwscanf.c +++ b/libio/vwscanf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1997, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997, 1999, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -29,9 +29,8 @@ #include <wchar.h> int -vwscanf (format, args) - const wchar_t *format; - _IO_va_list args; +__vwscanf (const wchar_t *format, _IO_va_list args) { return _IO_vfwscanf (_IO_stdin, format, args, NULL); } +ldbl_strong_alias (__vwscanf, vwscanf) diff --git a/libio/wfiledoalloc.c b/libio/wfiledoalloc.c index 2f8140b0ac..67a05175b2 100644 --- a/libio/wfiledoalloc.c +++ b/libio/wfiledoalloc.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993, 1997, 1999, 2000, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1997, 1999, 2000, 2002, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -85,35 +86,20 @@ _IO_wfile_doallocate (fp) _IO_FILE *fp; { _IO_size_t size; - int couldbetty; wchar_t *p; - struct _G_stat64 st; /* Allocate room for the external buffer. */ if (fp->_IO_buf_base == NULL) INTUSE(_IO_file_doallocate) (fp); - if (fp->_fileno < 0 || _IO_SYSSTAT (fp, &st) < 0) - { - couldbetty = 0; - size = _IO_BUFSIZ; -#if 0 - /* do not try to optimise fseek() */ - fp->_flags |= __SNPT; -#endif - } - else - { - couldbetty = S_ISCHR (st.st_mode); -#if _IO_HAVE_ST_BLKSIZE - size = st.st_blksize <= 0 ? _IO_BUFSIZ : st.st_blksize; -#else - size = _IO_BUFSIZ; -#endif - } + /* If narrow buffer is user allocated (set by setvbuf etc.), + use that size as the size of the wide buffer, when it is + allocated by _IO_file_doallocate, multiply that by size + of the wide character. */ + size = fp->_IO_buf_end - fp->_IO_buf_base; + if ((fp->_flags & _IO_USER_BUF)) + size = (size + sizeof (wchar_t) - 1) / sizeof (wchar_t); ALLOC_WBUF (p, size * sizeof (wchar_t), EOF); INTUSE(_IO_wsetb) (fp, p, p + size, 1); - if (couldbetty && isatty (fp->_fileno)) - fp->_flags |= _IO_LINE_BUF; return 1; } diff --git a/libio/wfileops.c b/libio/wfileops.c index 5f9faac223..b930aad067 100644 --- a/libio/wfileops.c +++ b/libio/wfileops.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1995,1997-2003,2004 Free Software Foundation, Inc. +/* Copyright (C) 1993,1995,1997-2003,2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Ulrich Drepper <drepper@cygnus.com>. Based on the single byte version by Per Bothner <bothner@cygnus.com>. @@ -69,7 +69,7 @@ _IO_wdo_write (fp, data, to_do) { if (_IO_new_do_write (fp, fp->_IO_write_base, fp->_IO_write_ptr - fp->_IO_write_base) == EOF) - return EOF; + return WEOF; } do diff --git a/libio/wgenops.c b/libio/wgenops.c index a9cc7bf210..760a413dc3 100644 --- a/libio/wgenops.c +++ b/libio/wgenops.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1995,1997-2001,2002,2004 Free Software Foundation, Inc. +/* Copyright (C) 1993,1995,1997-2002,2004,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Ulrich Drepper <drepper@cygnus.com>. Based on the single byte version by Per Bothner <bothner@cygnus.com>. @@ -115,14 +115,14 @@ _IO_wsetb (f, b, eb, a) wchar_t *eb; int a; { - if (f->_wide_data->_IO_buf_base && !(f->_flags & _IO_USER_BUF)) - FREE_BUF (f->_wide_data->_IO_buf_base, _IO_wblen (f)); + if (f->_wide_data->_IO_buf_base && !(f->_flags2 & _IO_FLAGS2_USER_WBUF)) + FREE_BUF (f->_wide_data->_IO_buf_base, _IO_wblen (f) * sizeof (wchar_t)); f->_wide_data->_IO_buf_base = b; f->_wide_data->_IO_buf_end = eb; if (a) - f->_flags &= ~_IO_USER_BUF; + f->_flags2 &= ~_IO_FLAGS2_USER_WBUF; else - f->_flags |= _IO_USER_BUF; + f->_flags2 |= _IO_FLAGS2_USER_WBUF; } INTDEF(_IO_wsetb) @@ -198,7 +198,7 @@ _IO_wdefault_finish (fp, dummy) int dummy; { struct _IO_marker *mark; - if (fp->_wide_data->_IO_buf_base && !(fp->_flags & _IO_USER_BUF)) + if (fp->_wide_data->_IO_buf_base && !(fp->_flags2 & _IO_FLAGS2_USER_WBUF)) { FREE_BUF (fp->_wide_data->_IO_buf_base, _IO_wblen (fp) * sizeof (wchar_t)); diff --git a/libio/wmemstream.c b/libio/wmemstream.c new file mode 100644 index 0000000000..7bf6a429ac --- /dev/null +++ b/libio/wmemstream.c @@ -0,0 +1,150 @@ +/* Copyright (C) 1995-97,99,2000,2002-2004,2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "libioP.h" +#include "strfile.h" +#include <stdio.h> +#include <stdlib.h> +#include <wchar.h> + + +struct _IO_FILE_wmemstream +{ + _IO_strfile _sf; + wchar_t **bufloc; + _IO_size_t *sizeloc; +}; + + +static int _IO_wmem_sync (_IO_FILE* fp) __THROW; +static void _IO_wmem_finish (_IO_FILE* fp, int) __THROW; + + +static const struct _IO_jump_t _IO_wmem_jumps = +{ + JUMP_INIT_DUMMY, + JUMP_INIT (finish, _IO_wmem_finish), + JUMP_INIT (overflow, (_IO_overflow_t) _IO_wstr_overflow), + JUMP_INIT (underflow, (_IO_underflow_t) _IO_wstr_underflow), + JUMP_INIT (uflow, (_IO_underflow_t) INTUSE(_IO_wdefault_uflow)), + JUMP_INIT (pbackfail, (_IO_pbackfail_t) _IO_wstr_pbackfail), + JUMP_INIT (xsputn, INTUSE(_IO_wdefault_xsputn)), + JUMP_INIT (xsgetn, INTUSE(_IO_wdefault_xsgetn)), + JUMP_INIT (seekoff, _IO_wstr_seekoff), + JUMP_INIT (seekpos, _IO_default_seekpos), + JUMP_INIT (setbuf, _IO_default_setbuf), + JUMP_INIT (sync, _IO_wmem_sync), + JUMP_INIT (doallocate, INTUSE(_IO_wdefault_doallocate)), + JUMP_INIT (read, _IO_default_read), + JUMP_INIT (write, _IO_default_write), + JUMP_INIT (seek, _IO_default_seek), + JUMP_INIT (close, _IO_default_close), + JUMP_INIT (stat, _IO_default_stat), + JUMP_INIT (showmanyc, _IO_default_showmanyc), + JUMP_INIT (imbue, _IO_default_imbue) +}; + +/* Open a stream that writes into a malloc'd buffer that is expanded as + necessary. *BUFLOC and *SIZELOC are updated with the buffer's location + and the number of characters written on fflush or fclose. */ +_IO_FILE * +open_wmemstream (bufloc, sizeloc) + wchar_t **bufloc; + _IO_size_t *sizeloc; +{ + struct locked_FILE + { + struct _IO_FILE_wmemstream fp; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; +#endif + struct _IO_wide_data wd; + } *new_f; + wchar_t *buf; + + new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE)); + if (new_f == NULL) + return NULL; +#ifdef _IO_MTSAFE_IO + new_f->fp._sf._sbf._f._lock = &new_f->lock; +#endif + + buf = calloc (1, _IO_BUFSIZ); + if (buf == NULL) + return NULL; + + _IO_no_init (&new_f->fp._sf._sbf._f, 0, 0, &new_f->wd, &_IO_wmem_jumps); + _IO_fwide (&new_f->fp._sf._sbf._f, 1); + _IO_wstr_init_static (&new_f->fp._sf._sbf._f, buf, + _IO_BUFSIZ / sizeof (wchar_t), buf); + new_f->fp._sf._sbf._f._flags2 &= ~_IO_FLAGS2_USER_WBUF; + new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc; + new_f->fp._sf._s._free_buffer = (_IO_free_type) free; + + new_f->fp.bufloc = bufloc; + new_f->fp.sizeloc = sizeloc; + + return (_IO_FILE *) &new_f->fp._sf._sbf; +} + + +static int +_IO_wmem_sync (fp) + _IO_FILE* fp; +{ + struct _IO_FILE_wmemstream *mp = (struct _IO_FILE_wmemstream *) fp; + + if (fp->_wide_data->_IO_write_ptr == fp->_wide_data->_IO_write_end) + { + _IO_wstr_overflow (fp, '\0'); + --fp->_wide_data->_IO_write_ptr; + } + else + *fp->_wide_data->_IO_write_ptr = '\0'; + + *mp->bufloc = fp->_wide_data->_IO_write_base; + *mp->sizeloc = (fp->_wide_data->_IO_write_ptr + - fp->_wide_data->_IO_write_base); + + return 0; +} + + +static void +_IO_wmem_finish (fp, dummy) + _IO_FILE* fp; + int dummy; +{ + struct _IO_FILE_wmemstream *mp = (struct _IO_FILE_wmemstream *) fp; + + *mp->bufloc = (wchar_t *) realloc (fp->_wide_data->_IO_write_base, + (fp->_wide_data->_IO_write_ptr + - fp->_wide_data->_IO_write_base + 1) + * sizeof (wchar_t)); + if (*mp->bufloc != NULL) + { + size_t len = (fp->_wide_data->_IO_write_ptr + - fp->_wide_data->_IO_write_base); + (*mp->bufloc)[len] = '\0'; + *mp->sizeloc = len; + + fp->_wide_data->_IO_buf_base = NULL; + } + + _IO_wstr_finish (fp, 0); +} diff --git a/libio/wprintf.c b/libio/wprintf.c index f418cf515d..d06451c15a 100644 --- a/libio/wprintf.c +++ b/libio/wprintf.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991,1995,1996,1997,1999,2001 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1995, 1996, 1997, 1999, 2001, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <libioP.h> #include <stdarg.h> #include <stdio.h> #include <wchar.h> @@ -23,7 +25,7 @@ /* Write formatted output to stdout from the format string FORMAT. */ /* VARARGS1 */ int -wprintf (const wchar_t *format, ...) +__wprintf (const wchar_t *format, ...) { va_list arg; int done; @@ -34,3 +36,4 @@ wprintf (const wchar_t *format, ...) return done; } +ldbl_strong_alias (__wprintf, wprintf) diff --git a/libio/wscanf.c b/libio/wscanf.c index f4b8cd1b83..3eba6207c3 100644 --- a/libio/wscanf.c +++ b/libio/wscanf.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1995, 1996, 1997, 1999, 2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <libioP.h> #include <stdarg.h> #include <stdio.h> #include <wchar.h> @@ -24,7 +26,7 @@ /* Read formatted input from stdin according to the format string FORMAT. */ /* VARARGS1 */ int -wscanf (const wchar_t *format, ...) +__wscanf (const wchar_t *format, ...) { va_list arg; int done; @@ -35,3 +37,4 @@ wscanf (const wchar_t *format, ...) return done; } +ldbl_strong_alias (__wscanf, wscanf) diff --git a/libio/wstrops.c b/libio/wstrops.c index 32f7ef3cf7..c5aae7bc6a 100644 --- a/libio/wstrops.c +++ b/libio/wstrops.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1997-1999,2001-2003,2004 Free Software Foundation, Inc. +/* Copyright (C) 1993,1997-1999,2001-2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -25,44 +25,13 @@ This exception applies to code released by its copyright holders in files containing the exception. */ +#include <assert.h> #include "strfile.h" #include "libioP.h" #include <string.h> #include <wchar.h> #include <stdio_ext.h> -#if 0 -/* The following definitions are for exposition only. - They map the terminology used in the ANSI/ISO C++ draft standard - to the implementation. */ - -/* allocated: set when a dynamic array object has been allocated, and - hence should be freed by the destructor for the strstreambuf object. */ -#define ALLOCATED(FP) ((FP)->_f._IO_buf_base && DYNAMIC(FP)) - -/* constant: set when the array object has const elements, - so the output sequence cannot be written. */ -#define CONSTANT(FP) ((FP)->_f._IO_file_flags & _IO_NO_WRITES) - -/* alsize: the suggested minimum size for a dynamic array object. */ -#define ALSIZE(FP) ??? /* not stored */ - -/* palloc: points to the function to call to allocate a dynamic array object.*/ -#define PALLOC(FP) \ - ((FP)->_s._allocate_buffer == default_alloc ? 0 : (FP)->_s._allocate_buffer) - -/* pfree: points to the function to call to free a dynamic array object. */ -#define PFREE(FP) \ - ((FP)->_s._free_buffer == default_free ? 0 : (FP)->_s._free_buffer) - -#endif - -#ifdef TODO -/* An "unbounded buffer" is when a buffer is supplied, but with no - specified length. An example is the buffer argument to sprintf. - */ -#endif - void _IO_wstr_init_static (fp, ptr, size, pstart) _IO_FILE *fp; @@ -98,7 +67,7 @@ _IO_wstr_init_static (fp, ptr, size, pstart) fp->_wide_data->_IO_read_end = end; } /* A null _allocate_buffer function flags the strfile as being static. */ - (((_IO_strfile *) fp)->_s._allocate_buffer) = (_IO_alloc_type)0; + (((_IO_strfile *) fp)->_s._allocate_buffer) = (_IO_alloc_type)0; } _IO_wint_t @@ -116,16 +85,19 @@ _IO_wstr_overflow (fp, c) fp->_wide_data->_IO_write_ptr = fp->_wide_data->_IO_read_ptr; fp->_wide_data->_IO_read_ptr = fp->_wide_data->_IO_read_end; } - pos = fp->_wide_data->_IO_write_ptr - fp->_wide_data->_IO_write_base; + pos = fp->_wide_data->_IO_write_ptr - fp->_wide_data->_IO_write_base; if (pos >= (_IO_size_t) (_IO_wblen (fp) + flush_only)) { - if (fp->_flags & _IO_USER_BUF) /* not allowed to enlarge */ + if (fp->_flags2 & _IO_FLAGS2_USER_WBUF) /* not allowed to enlarge */ return WEOF; else { wchar_t *new_buf; wchar_t *old_buf = fp->_wide_data->_IO_buf_base; - _IO_size_t new_size = 2 * _IO_wblen (fp) + 100; + size_t old_wblen = _IO_wblen (fp); + _IO_size_t new_size = 2 * old_wblen + 100; + if (new_size < old_wblen) + return EOF; new_buf = (wchar_t *) (*((_IO_strfile *) fp)->_s._allocate_buffer) (new_size * sizeof (wchar_t)); @@ -136,11 +108,14 @@ _IO_wstr_overflow (fp, c) } if (old_buf) { - __wmemcpy (new_buf, old_buf, _IO_wblen (fp)); + __wmemcpy (new_buf, old_buf, old_wblen); (*((_IO_strfile *) fp)->_s._free_buffer) (old_buf); /* Make sure _IO_setb won't try to delete _IO_buf_base. */ fp->_wide_data->_IO_buf_base = NULL; } + + wmemset (new_buf + old_wblen, L'\0', new_size - old_wblen); + INTUSE(_IO_wsetb) (fp, new_buf, new_buf + new_size, 1); fp->_wide_data->_IO_read_base = new_buf + (fp->_wide_data->_IO_read_base - old_buf); @@ -163,6 +138,7 @@ _IO_wstr_overflow (fp, c) return c; } + _IO_wint_t _IO_wstr_underflow (fp) _IO_FILE *fp; @@ -181,17 +157,87 @@ _IO_wstr_underflow (fp) return WEOF; } -/* The size of the valid part of the buffer. */ +/* The size of the valid part of the buffer. */ _IO_ssize_t _IO_wstr_count (fp) _IO_FILE *fp; { - return ((fp->_wide_data->_IO_write_ptr > fp->_wide_data->_IO_read_end - ? fp->_wide_data->_IO_write_ptr : fp->_wide_data->_IO_read_end) - - fp->_wide_data->_IO_read_base); + struct _IO_wide_data *wd = fp->_wide_data; + + return ((wd->_IO_write_ptr > wd->_IO_read_end + ? wd->_IO_write_ptr : wd->_IO_read_end) + - wd->_IO_read_base); } + +static int +enlarge_userbuf (_IO_FILE *fp, _IO_off64_t offset, int reading) +{ + if ((_IO_ssize_t) offset <= _IO_blen (fp)) + return 0; + + struct _IO_wide_data *wd = fp->_wide_data; + + _IO_ssize_t oldend = wd->_IO_write_end - wd->_IO_write_base; + + /* Try to enlarge the buffer. */ + if (fp->_flags2 & _IO_FLAGS2_USER_WBUF) + /* User-provided buffer. */ + return 1; + + _IO_size_t newsize = offset + 100; + wchar_t *oldbuf = wd->_IO_buf_base; + wchar_t *newbuf + = (wchar_t *) (*((_IO_strfile *) fp)->_s._allocate_buffer) (newsize + * sizeof (wchar_t)); + if (newbuf == NULL) + return 1; + + if (oldbuf != NULL) + { + __wmemcpy (newbuf, oldbuf, _IO_wblen (fp)); + (*((_IO_strfile *) fp)->_s._free_buffer) (oldbuf); + /* Make sure _IO_setb won't try to delete + _IO_buf_base. */ + wd->_IO_buf_base = NULL; + } + + INTUSE(_IO_wsetb) (fp, newbuf, newbuf + newsize, 1); + + if (reading) + { + wd->_IO_write_base = newbuf + (wd->_IO_write_base - oldbuf); + wd->_IO_write_ptr = newbuf + (wd->_IO_write_ptr - oldbuf); + wd->_IO_write_end = newbuf + (wd->_IO_write_end - oldbuf); + wd->_IO_read_ptr = newbuf + (wd->_IO_read_ptr - oldbuf); + + wd->_IO_read_base = newbuf; + wd->_IO_read_end = wd->_IO_buf_end; + } + else + { + wd->_IO_read_base = newbuf + (wd->_IO_read_base - oldbuf); + wd->_IO_read_ptr = newbuf + (wd->_IO_read_ptr - oldbuf); + wd->_IO_read_end = newbuf + (wd->_IO_read_end - oldbuf); + wd->_IO_write_ptr = newbuf + (wd->_IO_write_ptr - oldbuf); + + wd->_IO_write_base = newbuf; + wd->_IO_write_end = wd->_IO_buf_end; + } + + /* Clear the area between the last write position and th + new position. */ + assert (offset >= oldend); + if (reading) + wmemset (wd->_IO_read_base + oldend, L'\0', offset - oldend); + else + wmemset (wd->_IO_write_base + oldend, L'\0', offset - oldend); + + return 0; +} + + _IO_off64_t _IO_wstr_seekoff (fp, offset, dir, mode) _IO_FILE *fp; @@ -234,7 +280,10 @@ _IO_wstr_seekoff (fp, offset, dir, mode) default: /* case _IO_seek_set: */ break; } - if (offset < 0 || (_IO_ssize_t) offset > cur_size) + if (offset < 0) + return EOF; + if ((_IO_ssize_t) offset > cur_size + && enlarge_userbuf (fp, offset, 1) != 0) return EOF; fp->_wide_data->_IO_read_ptr = (fp->_wide_data->_IO_read_base + offset); @@ -258,7 +307,10 @@ _IO_wstr_seekoff (fp, offset, dir, mode) default: /* case _IO_seek_set: */ break; } - if (offset < 0 || (_IO_ssize_t) offset > cur_size) + if (offset < 0) + return EOF; + if ((_IO_ssize_t) offset > cur_size + && enlarge_userbuf (fp, offset, 0) != 0) return EOF; fp->_wide_data->_IO_write_ptr = (fp->_wide_data->_IO_write_base + offset); @@ -283,7 +335,7 @@ _IO_wstr_finish (fp, dummy) _IO_FILE *fp; int dummy; { - if (fp->_wide_data->_IO_buf_base && !(fp->_flags & _IO_USER_BUF)) + if (fp->_wide_data->_IO_buf_base && !(fp->_flags2 & _IO_FLAGS2_USER_WBUF)) (((_IO_strfile *) fp)->_s._free_buffer) (fp->_wide_data->_IO_buf_base); fp->_wide_data->_IO_buf_base = NULL; |