diff options
Diffstat (limited to 'libio/bits')
| -rw-r--r-- | libio/bits/libio.h | 194 | ||||
| -rw-r--r-- | libio/bits/stdio.h | 29 | ||||
| -rw-r--r-- | libio/bits/stdio2.h | 35 | ||||
| -rw-r--r-- | libio/bits/types/__fpos64_t.h | 16 | ||||
| -rw-r--r-- | libio/bits/types/__fpos_t.h | 16 | ||||
| -rw-r--r-- | libio/bits/types/cookie_io_functions_t.h | 63 | ||||
| -rw-r--r-- | libio/bits/types/struct_FILE.h | 120 |
7 files changed, 273 insertions, 200 deletions
diff --git a/libio/bits/libio.h b/libio/bits/libio.h index fae5b932a1..cefc2c855b 100644 --- a/libio/bits/libio.h +++ b/libio/bits/libio.h @@ -28,14 +28,12 @@ #ifndef _BITS_LIBIO_H #define _BITS_LIBIO_H 1 -#if !defined _STDIO_H && !defined _LIBIO_H -# error "Never include <bits/libio.h> directly; use <stdio.h> instead." -#endif +#include <stdio.h> #include <bits/_G_config.h> /* ALL of these should be defined in _G_config.h */ -#define _IO_fpos_t _G_fpos_t -#define _IO_fpos64_t _G_fpos64_t +#define _IO_fpos_t __fpos_t +#define _IO_fpos64_t __fpos64_t #define _IO_size_t size_t #define _IO_ssize_t __ssize_t #define _IO_off_t __off_t @@ -44,40 +42,17 @@ #define _IO_uid_t __uid_t #define _IO_iconv_t _G_iconv_t #define _IO_HAVE_ST_BLKSIZE _G_HAVE_ST_BLKSIZE -#define _IO_BUFSIZ _G_BUFSIZ -#define _IO_va_list _G_va_list +#define _IO_BUFSIZ BUFSIZ #define _IO_wint_t wint_t +#define _IO_va_list __gnuc_va_list -/* This define avoids name pollution if we're using GNU stdarg.h */ -#define __need___va_list -#include <stdarg.h> -#ifdef __GNUC_VA_LIST -# undef _IO_va_list -# define _IO_va_list __gnuc_va_list -#endif /* __GNUC_VA_LIST */ - -#ifndef __P -# include <sys/cdefs.h> -#endif /*!__P*/ - +/* compatibility defines */ +#define _STDIO_USES_IOSTREAM #define _IO_UNIFIED_JUMPTABLES 1 +#define __HAVE_COLUMN +#define _IO_file_flags _flags -#ifndef EOF -# define EOF (-1) -#endif -#ifndef NULL -# if defined __GNUG__ && \ - (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8)) -# define NULL (__null) -# else -# if !defined(__cplusplus) -# define NULL ((void*)0) -# else -# define NULL (0) -# endif -# endif -#endif - +/* open modes */ #define _IOS_INPUT 1 #define _IOS_OUTPUT 2 #define _IOS_ATEND 4 @@ -146,14 +121,7 @@ #define _IO_BOOLALPHA 0200000 -struct _IO_jump_t; struct _IO_FILE; - -/* During the build of glibc itself, _IO_lock_t will already have been - defined by internal headers. */ -#ifndef _IO_lock_t_defined -typedef void _IO_lock_t; -#endif - +struct _IO_jump_t; /* A streammarker remembers a position in a buffer. */ @@ -164,16 +132,6 @@ struct _IO_marker { it points to _buf->Gbase()+_pos. FIXME comment */ /* if _pos < 0, it points to _buf->eBptr()+_pos. FIXME comment */ int _pos; -#if 0 - void set_streampos(streampos sp) { _spos = sp; } - void set_offset(int offset) { _pos = offset; _spos = (streampos)(-2); } - public: - streammarker(streambuf *sb); - ~streammarker(); - int saving() { return _spos == -2; } - int delta(streammarker&); - int delta(); -#endif }; /* This is the structure from the libstdc++ codecvt class. */ @@ -242,73 +200,6 @@ struct _IO_wide_data }; #endif -struct _IO_FILE { - int _flags; /* High-order word is _IO_MAGIC; rest is flags. */ -#define _IO_file_flags _flags - - /* The following pointers correspond to the C++ streambuf protocol. */ - /* Note: Tk uses the _IO_read_ptr and _IO_read_end fields directly. */ - char* _IO_read_ptr; /* Current read pointer */ - char* _IO_read_end; /* End of get area. */ - char* _IO_read_base; /* Start of putback+get area. */ - char* _IO_write_base; /* Start of put area. */ - char* _IO_write_ptr; /* Current put pointer. */ - char* _IO_write_end; /* End of put area. */ - char* _IO_buf_base; /* Start of reserve area. */ - char* _IO_buf_end; /* End of reserve area. */ - /* The following fields are used to support backing up and undo. */ - char *_IO_save_base; /* Pointer to start of non-current get area. */ - char *_IO_backup_base; /* Pointer to first valid character of backup area */ - char *_IO_save_end; /* Pointer to end of non-current get area. */ - - struct _IO_marker *_markers; - - struct _IO_FILE *_chain; - - int _fileno; -#if 0 - int _blksize; -#else - int _flags2; -#endif - _IO_off_t _old_offset; /* This used to be _offset but it's too small. */ - -#define __HAVE_COLUMN /* temporary */ - /* 1+column number of pbase(); 0 is unknown. */ - unsigned short _cur_column; - signed char _vtable_offset; - char _shortbuf[1]; - - /* char* _save_gptr; char* _save_egptr; */ - - _IO_lock_t *_lock; -#ifdef _IO_USE_OLD_IO_FILE -}; - -struct _IO_FILE_complete -{ - struct _IO_FILE _file; -#endif -#if defined _G_IO_IO_FILE_VERSION && _G_IO_IO_FILE_VERSION == 0x20001 - _IO_off64_t _offset; -# if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T - /* Wide character stream stuff. */ - struct _IO_codecvt *_codecvt; - struct _IO_wide_data *_wide_data; - struct _IO_FILE *_freeres_list; - void *_freeres_buf; -# else - void *__pad1; - void *__pad2; - void *__pad3; - void *__pad4; -# endif - size_t __pad5; - int _mode; - /* Make sure we don't get into trouble again. */ - char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)]; -#endif -}; #ifndef __cplusplus typedef struct _IO_FILE _IO_FILE; @@ -330,49 +221,13 @@ extern _IO_FILE *_IO_stderr attribute_hidden; #endif -/* Functions to do I/O and file management for a stream. */ - -/* Read NBYTES bytes from COOKIE into a buffer pointed to by BUF. - Return number of bytes read. */ -typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes); - -/* Write N bytes pointed to by BUF to COOKIE. Write all N bytes - unless there is an error. Return number of bytes written. If - there is an error, return 0 and do not write anything. If the file - has been opened for append (__mode.__append set), then set the file - pointer to the end of the file and then do the write; if not, just - write at the current file pointer. */ -typedef __ssize_t __io_write_fn (void *__cookie, const char *__buf, - size_t __n); - -/* Move COOKIE's file position to *POS bytes from the - beginning of the file (if W is SEEK_SET), - the current position (if W is SEEK_CUR), - or the end of the file (if W is SEEK_END). - Set *POS to the new file position. - Returns zero if successful, nonzero if not. */ -typedef int __io_seek_fn (void *__cookie, _IO_off64_t *__pos, int __w); - -/* Close COOKIE. */ -typedef int __io_close_fn (void *__cookie); - - +/* Compatibility names for cookie I/O functions. */ #ifdef __USE_GNU -/* User-visible names for the above. */ -typedef __io_read_fn cookie_read_function_t; -typedef __io_write_fn cookie_write_function_t; -typedef __io_seek_fn cookie_seek_function_t; -typedef __io_close_fn cookie_close_function_t; - -/* The structure with the cookie function pointers. */ -typedef struct -{ - __io_read_fn *read; /* Read bytes. */ - __io_write_fn *write; /* Write bytes. */ - __io_seek_fn *seek; /* Seek/tell file position. */ - __io_close_fn *close; /* Close file. */ -} _IO_cookie_io_functions_t; -typedef _IO_cookie_io_functions_t cookie_io_functions_t; +typedef cookie_read_function_t __io_read_fn; +typedef cookie_write_function_t __io_write_fn; +typedef cookie_seek_function_t __io_seek_fn; +typedef cookie_close_function_t __io_close_fn; +typedef cookie_io_functions_t _IO_cookie_io_functions_t; struct _IO_cookie_file; @@ -387,8 +242,6 @@ extern "C" { #endif extern int __underflow (_IO_FILE *); -extern int __uflow (_IO_FILE *); -extern int __overflow (_IO_FILE *, int); #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T extern _IO_wint_t __wunderflow (_IO_FILE *); extern _IO_wint_t __wuflow (_IO_FILE *); @@ -401,17 +254,12 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); # define _IO_BE(expr, res) (expr) #endif -#define _IO_getc_unlocked(_fp) \ - (_IO_BE ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end, 0) \ - ? __uflow (_fp) : *(unsigned char *) (_fp)->_IO_read_ptr++) +#define _IO_getc_unlocked(_fp) __getc_unlocked_body (_fp) #define _IO_peekc_unlocked(_fp) \ (_IO_BE ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end, 0) \ && __underflow (_fp) == EOF ? EOF \ : *(unsigned char *) (_fp)->_IO_read_ptr) -#define _IO_putc_unlocked(_ch, _fp) \ - (_IO_BE ((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end, 0) \ - ? __overflow (_fp, (unsigned char) (_ch)) \ - : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch))) +#define _IO_putc_unlocked(_ch, _fp) __putc_unlocked_body (_ch, _fp) #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T # define _IO_getwc_unlocked(_fp) \ @@ -427,8 +275,8 @@ extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); : (_IO_wint_t) (*(_fp)->_wide_data->_IO_write_ptr++ = (_wch))) #endif -#define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0) -#define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0) +#define _IO_feof_unlocked(_fp) __feof_unlocked_body (_fp) +#define _IO_ferror_unlocked(_fp) __ferror_unlocked_body (_fp) extern int _IO_getc (_IO_FILE *__fp); extern int _IO_putc (int __c, _IO_FILE *__fp); diff --git a/libio/bits/stdio.h b/libio/bits/stdio.h index eb42b22153..4ab919031f 100644 --- a/libio/bits/stdio.h +++ b/libio/bits/stdio.h @@ -16,6 +16,9 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#ifndef _BITS_STDIO_H +#define _BITS_STDIO_H 1 + #ifndef _STDIO_H # error "Never include <bits/stdio.h> directly; use <stdio.h> instead." #endif @@ -33,7 +36,7 @@ # if !(__USE_FORTIFY_LEVEL > 0 && defined __fortify_function) /* Write formatted output to stdout from argument list ARG. */ __STDIO_INLINE int -vprintf (const char *__restrict __fmt, _G_va_list __arg) +vprintf (const char *__restrict __fmt, __gnuc_va_list __arg) { return vfprintf (stdout, __fmt, __arg); } @@ -52,7 +55,7 @@ getchar (void) __STDIO_INLINE int fgetc_unlocked (FILE *__fp) { - return _IO_getc_unlocked (__fp); + return __getc_unlocked_body (__fp); } # endif /* misc */ @@ -62,14 +65,14 @@ fgetc_unlocked (FILE *__fp) __STDIO_INLINE int getc_unlocked (FILE *__fp) { - return _IO_getc_unlocked (__fp); + return __getc_unlocked_body (__fp); } /* This is defined in POSIX.1:1996. */ __STDIO_INLINE int getchar_unlocked (void) { - return _IO_getc_unlocked (stdin); + return __getc_unlocked_body (stdin); } # endif /* POSIX */ @@ -87,7 +90,7 @@ putchar (int __c) __STDIO_INLINE int fputc_unlocked (int __c, FILE *__stream) { - return _IO_putc_unlocked (__c, __stream); + return __putc_unlocked_body (__c, __stream); } # endif /* misc */ @@ -97,21 +100,21 @@ fputc_unlocked (int __c, FILE *__stream) __STDIO_INLINE int putc_unlocked (int __c, FILE *__stream) { - return _IO_putc_unlocked (__c, __stream); + return __putc_unlocked_body (__c, __stream); } /* This is defined in POSIX.1:1996. */ __STDIO_INLINE int putchar_unlocked (int __c) { - return _IO_putc_unlocked (__c, stdout); + return __putc_unlocked_body (__c, stdout); } # endif /* POSIX */ # ifdef __USE_GNU /* Like `getdelim', but reads up to a newline. */ -__STDIO_INLINE _IO_ssize_t +__STDIO_INLINE __ssize_t getline (char **__lineptr, size_t *__n, FILE *__stream) { return __getdelim (__lineptr, __n, '\n', __stream); @@ -124,14 +127,14 @@ getline (char **__lineptr, size_t *__n, FILE *__stream) __STDIO_INLINE int __NTH (feof_unlocked (FILE *__stream)) { - return _IO_feof_unlocked (__stream); + return __feof_unlocked_body (__stream); } /* Faster versions when locking is not required. */ __STDIO_INLINE int __NTH (ferror_unlocked (FILE *__stream)) { - return _IO_ferror_unlocked (__stream); + return __ferror_unlocked_body (__stream); } # endif /* misc */ @@ -151,7 +154,7 @@ __NTH (ferror_unlocked (FILE *__stream)) for (__cnt = (size_t) (size) * (size_t) (n); \ __cnt > 0; --__cnt) \ { \ - int __c = _IO_getc_unlocked (__stream); \ + int __c = getc_unlocked (__stream); \ if (__c == EOF) \ break; \ *__ptr++ = __c; \ @@ -174,7 +177,7 @@ __NTH (ferror_unlocked (FILE *__stream)) size_t __cnt; \ for (__cnt = (size_t) (size) * (size_t) (n); \ __cnt > 0; --__cnt) \ - if (_IO_putc_unlocked (*__ptr++, __stream) == EOF) \ + if (putc_unlocked (*__ptr++, __stream) == EOF) \ break; \ ((size_t) (size) * (size_t) (n) - __cnt) \ / (size_t) (size); }) \ @@ -188,3 +191,5 @@ __NTH (ferror_unlocked (FILE *__stream)) /* Define helper macro. */ #undef __STDIO_INLINE + +#endif /* bits/stdio.h. */ diff --git a/libio/bits/stdio2.h b/libio/bits/stdio2.h index 55302e91d0..11651506a6 100644 --- a/libio/bits/stdio2.h +++ b/libio/bits/stdio2.h @@ -16,6 +16,9 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#ifndef _BITS_STDIO2_H +#define _BITS_STDIO2_H 1 + #ifndef _STDIO_H # error "Never include <bits/stdio2.h> directly; use <stdio.h> instead." #endif @@ -24,7 +27,7 @@ extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen, const char *__restrict __format, ...) __THROW; extern int __vsprintf_chk (char *__restrict __s, int __flag, size_t __slen, const char *__restrict __format, - _G_va_list __ap) __THROW; + __gnuc_va_list __ap) __THROW; #ifdef __va_arg_pack __fortify_function int @@ -41,7 +44,7 @@ __NTH (sprintf (char *__restrict __s, const char *__restrict __fmt, ...)) __fortify_function int __NTH (vsprintf (char *__restrict __s, const char *__restrict __fmt, - _G_va_list __ap)) + __gnuc_va_list __ap)) { return __builtin___vsprintf_chk (__s, __USE_FORTIFY_LEVEL - 1, __bos (__s), __fmt, __ap); @@ -54,7 +57,7 @@ extern int __snprintf_chk (char *__restrict __s, size_t __n, int __flag, ...) __THROW; extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag, size_t __slen, const char *__restrict __format, - _G_va_list __ap) __THROW; + __gnuc_va_list __ap) __THROW; # ifdef __va_arg_pack __fortify_function int @@ -72,7 +75,7 @@ __NTH (snprintf (char *__restrict __s, size_t __n, __fortify_function int __NTH (vsnprintf (char *__restrict __s, size_t __n, - const char *__restrict __fmt, _G_va_list __ap)) + const char *__restrict __fmt, __gnuc_va_list __ap)) { return __builtin___vsnprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, __bos (__s), __fmt, __ap); @@ -86,9 +89,9 @@ extern int __fprintf_chk (FILE *__restrict __stream, int __flag, const char *__restrict __format, ...); extern int __printf_chk (int __flag, const char *__restrict __format, ...); extern int __vfprintf_chk (FILE *__restrict __stream, int __flag, - const char *__restrict __format, _G_va_list __ap); + const char *__restrict __format, __gnuc_va_list __ap); extern int __vprintf_chk (int __flag, const char *__restrict __format, - _G_va_list __ap); + __gnuc_va_list __ap); # ifdef __va_arg_pack __fortify_function int @@ -111,7 +114,7 @@ printf (const char *__restrict __fmt, ...) # endif __fortify_function int -vprintf (const char *__restrict __fmt, _G_va_list __ap) +vprintf (const char *__restrict __fmt, __gnuc_va_list __ap) { #ifdef __USE_EXTERN_INLINES return __vfprintf_chk (stdout, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); @@ -122,7 +125,7 @@ vprintf (const char *__restrict __fmt, _G_va_list __ap) __fortify_function int vfprintf (FILE *__restrict __stream, - const char *__restrict __fmt, _G_va_list __ap) + const char *__restrict __fmt, __gnuc_va_list __ap) { return __vfprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); } @@ -131,7 +134,7 @@ vfprintf (FILE *__restrict __stream, extern int __dprintf_chk (int __fd, int __flag, const char *__restrict __fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4))); extern int __vdprintf_chk (int __fd, int __flag, - const char *__restrict __fmt, _G_va_list __arg) + const char *__restrict __fmt, __gnuc_va_list __arg) __attribute__ ((__format__ (__printf__, 3, 0))); # ifdef __va_arg_pack @@ -147,7 +150,7 @@ dprintf (int __fd, const char *__restrict __fmt, ...) # endif __fortify_function int -vdprintf (int __fd, const char *__restrict __fmt, _G_va_list __ap) +vdprintf (int __fd, const char *__restrict __fmt, __gnuc_va_list __ap) { return __vdprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); } @@ -159,7 +162,7 @@ extern int __asprintf_chk (char **__restrict __ptr, int __flag, const char *__restrict __fmt, ...) __THROW __attribute__ ((__format__ (__printf__, 3, 4))) __wur; extern int __vasprintf_chk (char **__restrict __ptr, int __flag, - const char *__restrict __fmt, _G_va_list __arg) + const char *__restrict __fmt, __gnuc_va_list __arg) __THROW __attribute__ ((__format__ (__printf__, 3, 0))) __wur; extern int __obstack_printf_chk (struct obstack *__restrict __obstack, int __flag, const char *__restrict __format, @@ -168,7 +171,7 @@ extern int __obstack_printf_chk (struct obstack *__restrict __obstack, extern int __obstack_vprintf_chk (struct obstack *__restrict __obstack, int __flag, const char *__restrict __format, - _G_va_list __args) + __gnuc_va_list __args) __THROW __attribute__ ((__format__ (__printf__, 3, 0))); # ifdef __va_arg_pack @@ -205,14 +208,14 @@ __NTH (obstack_printf (struct obstack *__restrict __obstack, __fortify_function int __NTH (vasprintf (char **__restrict __ptr, const char *__restrict __fmt, - _G_va_list __ap)) + __gnuc_va_list __ap)) { return __vasprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); } __fortify_function int __NTH (obstack_vprintf (struct obstack *__restrict __obstack, - const char *__restrict __fmt, _G_va_list __ap)) + const char *__restrict __fmt, __gnuc_va_list __ap)) { return __obstack_vprintf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt, __ap); @@ -368,7 +371,7 @@ fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n, for (; __cnt > 0; --__cnt) { - int __c = _IO_getc_unlocked (__stream); + int __c = getc_unlocked (__stream); if (__c == EOF) break; *__cptr++ = __c; @@ -379,3 +382,5 @@ fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n, return __fread_unlocked_alias (__ptr, __size, __n, __stream); } #endif + +#endif /* bits/stdio2.h. */ diff --git a/libio/bits/types/__fpos64_t.h b/libio/bits/types/__fpos64_t.h new file mode 100644 index 0000000000..06a6891154 --- /dev/null +++ b/libio/bits/types/__fpos64_t.h @@ -0,0 +1,16 @@ +#ifndef _____fpos64_t_defined +#define _____fpos64_t_defined 1 + +#include <bits/types.h> +#include <bits/types/__mbstate_t.h> + +/* The tag name of this struct is _G_fpos64_t to preserve historic + C++ mangled names for functions taking fpos_t and/or fpos64_t + arguments. That name should not be used in new code. */ +typedef struct _G_fpos64_t +{ + __off64_t __pos; + __mbstate_t __state; +} __fpos64_t; + +#endif diff --git a/libio/bits/types/__fpos_t.h b/libio/bits/types/__fpos_t.h new file mode 100644 index 0000000000..bb04576651 --- /dev/null +++ b/libio/bits/types/__fpos_t.h @@ -0,0 +1,16 @@ +#ifndef _____fpos_t_defined +#define _____fpos_t_defined 1 + +#include <bits/types.h> +#include <bits/types/__mbstate_t.h> + +/* The tag name of this struct is _G_fpos_t to preserve historic + C++ mangled names for functions taking fpos_t arguments. + That name should not be used in new code. */ +typedef struct _G_fpos_t +{ + __off_t __pos; + __mbstate_t __state; +} __fpos_t; + +#endif diff --git a/libio/bits/types/cookie_io_functions_t.h b/libio/bits/types/cookie_io_functions_t.h new file mode 100644 index 0000000000..a6d9d39a47 --- /dev/null +++ b/libio/bits/types/cookie_io_functions_t.h @@ -0,0 +1,63 @@ +/* Copyright (C) 1991-2018 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef __cookie_io_functions_t_defined +#define __cookie_io_functions_t_defined 1 + +#include <bits/types.h> + +/* Functions to do I/O and file management for a stream. */ + +/* Read NBYTES bytes from COOKIE into a buffer pointed to by BUF. + Return number of bytes read. */ +typedef __ssize_t cookie_read_function_t (void *__cookie, char *__buf, + size_t __nbytes); + +/* Write NBYTES bytes pointed to by BUF to COOKIE. Write all NBYTES bytes + unless there is an error. Return number of bytes written. If + there is an error, return 0 and do not write anything. If the file + has been opened for append (__mode.__append set), then set the file + pointer to the end of the file and then do the write; if not, just + write at the current file pointer. */ +typedef __ssize_t cookie_write_function_t (void *__cookie, const char *__buf, + size_t __nbytes); + +/* Move COOKIE's file position to *POS bytes from the + beginning of the file (if W is SEEK_SET), + the current position (if W is SEEK_CUR), + or the end of the file (if W is SEEK_END). + Set *POS to the new file position. + Returns zero if successful, nonzero if not. */ +typedef int cookie_seek_function_t (void *__cookie, __off64_t *__pos, int __w); + +/* Close COOKIE. */ +typedef int cookie_close_function_t (void *__cookie); + +/* The structure with the cookie function pointers. + The tag name of this struct is _IO_cookie_io_functions_t to + preserve historic C++ mangled names for functions taking + cookie_io_functions_t arguments. That name should not be used in + new code. */ +typedef struct _IO_cookie_io_functions_t +{ + cookie_read_function_t *read; /* Read bytes. */ + cookie_write_function_t *write; /* Write bytes. */ + cookie_seek_function_t *seek; /* Seek/tell file position. */ + cookie_close_function_t *close; /* Close file. */ +} cookie_io_functions_t; + +#endif diff --git a/libio/bits/types/struct_FILE.h b/libio/bits/types/struct_FILE.h new file mode 100644 index 0000000000..a120c76268 --- /dev/null +++ b/libio/bits/types/struct_FILE.h @@ -0,0 +1,120 @@ +/* Copyright (C) 1991-2018 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef __struct_FILE_defined +#define __struct_FILE_defined 1 + +/* Caution: The contents of this file are not part of the official + stdio.h API. However, much of it is part of the official *binary* + interface, and therefore cannot be changed. */ + +#if defined _IO_USE_OLD_IO_FILE && !defined _LIBC +# error "_IO_USE_OLD_IO_FILE should only be defined when building libc itself" +#endif + +#if defined _IO_lock_t_defined && !defined _LIBC +# error "_IO_lock_t_defined should only be defined when building libc itself" +#endif + +#include <bits/types.h> + +struct _IO_FILE; +struct _IO_marker; +struct _IO_codecvt; +struct _IO_wide_data; + +/* During the build of glibc itself, _IO_lock_t will already have been + defined by internal headers. */ +#ifndef _IO_lock_t_defined +typedef void _IO_lock_t; +#endif + +/* The tag name of this struct is _IO_FILE to preserve historic + C++ mangled names for functions taking FILE* arguments. + That name should not be used in new code. */ +struct _IO_FILE +{ + int _flags; /* High-order word is _IO_MAGIC; rest is flags. */ + + /* The following pointers correspond to the C++ streambuf protocol. */ + char *_IO_read_ptr; /* Current read pointer */ + char *_IO_read_end; /* End of get area. */ + char *_IO_read_base; /* Start of putback+get area. */ + char *_IO_write_base; /* Start of put area. */ + char *_IO_write_ptr; /* Current put pointer. */ + char *_IO_write_end; /* End of put area. */ + char *_IO_buf_base; /* Start of reserve area. */ + char *_IO_buf_end; /* End of reserve area. */ + + /* The following fields are used to support backing up and undo. */ + char *_IO_save_base; /* Pointer to start of non-current get area. */ + char *_IO_backup_base; /* Pointer to first valid character of backup area */ + char *_IO_save_end; /* Pointer to end of non-current get area. */ + + struct _IO_marker *_markers; + + struct _IO_FILE *_chain; + + int _fileno; + int _flags2; + __off_t _old_offset; /* This used to be _offset but it's too small. */ + + /* 1+column number of pbase(); 0 is unknown. */ + unsigned short _cur_column; + signed char _vtable_offset; + char _shortbuf[1]; + + _IO_lock_t *_lock; +#ifdef _IO_USE_OLD_IO_FILE +}; + +struct _IO_FILE_complete +{ + struct _IO_FILE _file; +#endif + __off64_t _offset; + /* Wide character stream stuff. */ + struct _IO_codecvt *_codecvt; + struct _IO_wide_data *_wide_data; + struct _IO_FILE *_freeres_list; + void *_freeres_buf; + size_t __pad5; + int _mode; + /* Make sure we don't get into trouble again. */ + char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)]; +}; + +/* These macros are used by bits/stdio.h and internal headers. */ +#define __getc_unlocked_body(_fp) \ + (__glibc_unlikely ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end) \ + ? __uflow (_fp) : *(unsigned char *) (_fp)->_IO_read_ptr++) + +#define __putc_unlocked_body(_ch, _fp) \ + (__glibc_unlikely ((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end) \ + ? __overflow (_fp, (unsigned char) (_ch)) \ + : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch))) + +#define _IO_EOF_SEEN 0x10 +#define __feof_unlocked_body(_fp) (((_fp)->_flags & _IO_EOF_SEEN) != 0) + +#define _IO_ERR_SEEN 0x20 +#define __ferror_unlocked_body(_fp) (((_fp)->_flags & _IO_ERR_SEEN) != 0) + +#define _IO_USER_LOCK 0x8000 +/* Many more flag bits are defined internally. */ + +#endif |