diff options
author | Ulrich Drepper <drepper@redhat.com> | 1999-06-16 22:55:47 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-06-16 22:55:47 +0000 |
commit | d64b6ad07585b8a37e5fecc9a47fcee766d52ede (patch) | |
tree | 076b36cc9c1b82254348212e75939d842885563a /libio/vswprintf.c | |
parent | bc938d3de936a8e429b16237180c046139be8247 (diff) | |
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Update.
* Versions.def: Add GLIBC_2.2 for libc.
* iconv/gconv.h: Make header suitable for inclusion in public header
by protecting all names with __.
* iconv/gconv.c: Adapt for symbol name changes.
* iconv/gconv.h: Likewise.
* iconv/gconv_builtin.c: Likewise.
* iconv/gconv_close.c: Likewise.
* iconv/gconv_db.c: Likewise.
* iconv/gconv_dl.c: Likewise.
* iconv/gconv_int.h: Likewise.
* iconv/gconv_open.c: Likewise.
* iconv/gconv_simple.c: Likewise.
* iconv/iconv.c: Likewise.
* iconv/iconv_close.c: Likewise.
* iconv/iconv_open.c: Likewise.
* iconv/loop.c: Likewise.
* iconv/skeleton.c: Likewise.
* iconvdata/8bit-gap.c: Likewise.
* iconvdata/8bit-generic.c: Likewise.
* iconvdata/ansi_x3.110.c: Likewise.
* iconvdata/big5.c: Likewise.
* iconvdata/cns11643.h: Likewise.
* iconvdata/cns11643l1.h: Likewise.
* iconvdata/euc-cn.c: Likewise.
* iconvdata/euc-jp.c: Likewise.
* iconvdata/euc-kr.c: Likewise.
* iconvdata/euc-tw.c: Likewise.
* iconvdata/gb2312.h: Likewise.
* iconvdata/iso-2022-jp.c: Likewise.
* iconvdata/iso-2022-kr.c: Likewise.
* iconvdata/iso646.c: Likewise.
* iconvdata/iso8859-1.c: Likewise.
* iconvdata/iso_6937-2.c: Likewise.
* iconvdata/iso_6937.c: Likewise.
* iconvdata/jis0201.h: Likewise.
* iconvdata/jis0208.h: Likewise.
* iconvdata/jis0212.h: Likewise.
* iconvdata/johab.c: Likewise.
* iconvdata/ksc5601.h: Likewise.
* iconvdata/sjis.c: Likewise.
* iconvdata/t.61.c: Likewise.
* iconvdata/uhc.c: Likewise.
* stdlib/mblen.c: Likewise.
* stdlib/mbtowc.c: Likewise.
* stdlib/wctomb.c: Likewise.
* wcsmbs/btowc.c: Likewise.
* wcsmbs/mbrtowc.c: Likewise.
* wcsmbs/mbsnrtowcs.c: Likewise.
* wcsmbs/mbsrtowcs.c: Likewise.
* wcsmbs/wchar.h: Likewise.
* wcsmbs/wcrtomb.c: Likewise.
* wcsmbs/wcsmbsload.c: Likewise.
* wcsmbs/wcsmbsload.h: Likewise.
* wcsmbs/wcsnrtombs.c: Likewise.
* wcsmbs/wcsrtombs.c: Likewise.
* wcsmbs/wctob.c: Likewise.
* include/limits.h (MB_LEN_MAX): Increase to 16.
* sysdeps/generic/_G_config.h: Define _G_fpos_t as struct. Define
_G_iconv_t.
* sysdeps/unix/sysv/linux/_G_config.h: Likewise.
* include/wchar.h: Change mbstate_t to __mbstate_t.
* libio/Makefile (routines): Add wfiledoalloc, oldiofgetpos,
oldiofgetpos64, oldiofsetpos, oldiofsetpos64, fputwc, fputwc_u,
getwc, getwc_u, getwchar, getwchar_u, iofgetws, iofgetws_u,
iofputws, iofputws_u, iogetwline, iowpadn, ioungetwc, putwc, putwc_u,
putchar, putchar_u, swprintf, vwprintf, wprintf, wscanf, fwscanf,
vwscanf, vswprintf, iovswscanf, swscanf, wgenops, wstrops, wfileops,
and iofwide.
(tests): Add tst_swprintf, tst_wprintf, tst_swscanf, and tst_wscanf.
* libio/Versions: Add _IO_fgetpos, _IO_fgetpos64, _IO_fsetpos,
_IO_fsetpos64, fgetpos, fgetpos64, fgetwc, fgetwc_unlocked, fgetws,
fgetws_unlocked, fputwc, fputwc_unlocked, fputws, fputws_unlocked,
fsetpos, fsetpos64, fwide, fwprintf, fwscanf, getwc, getwc_unlocked,
getwchar, getwchar_unlocked, putwc, putwc_unlocked, putwchar,
putwchar_unlocked, swprintf, swscanf, ungetwc, vfwprintf, vswprintf,
vwprintf, vfwscanf, vswscanf, vwscanf, wprintf, and wscanf to
GLIBC_2.2 for libc.
* libio/libio.h: Define codecvt struct. Define _IO_wide_data.
Extend _IO_file contain pointer to codecvt, widedata and mode.
(_IO_getwc_unlocked): New macro.
(_IO_putwc_unlocked): New macro.
(_IO_fwide): New macro.
* libio/libioP.h: Add new prototypes and adjust existing declarations.
* libio/fileops.c (_IO_new_file_close_it): Reset normal or widedata
buffers based on mode.
(new_do_write): Set _IO_write_end to _IO_buf_end if stream is wide
oriented.
(_IO_new_file_overflow): Don't depend only on _IO_CURRENTLY_PUTTING
flag to be enough to signal unallocated buffer. For wide oriented
stream don't make it linebuffered. Don't use _IO_do_flush, use
_IO_new_do_write directly.
(_IO_new_file_seekoff): Change return value type to _IO_off64_t.
(_IO_file_seek): Likewise.
* libio/genops.c (_IO_least_marker): Make global.
(__underflow): Orient stream if not already done.
(__uflow): Likewise.
(_IO_default_seekpos): Change to type _IO_off64_t.
(_IO_default_seekoff): Likewise.
(_IO_default_seek): Likewise.
(_IO_no_init): New function. Similar to _IO_init but allows to orient
in initialization.
* libio/iolibio.h: Add prototype for _IO_vswprintf. Change _IO_pos_BAD
to use _IO_off64_t.
* libio/ftello.c: Use _IO_off_t. For now abort when use with wide
char stream.
* libio/ftello64.c: Likewise.
* libio/ioftell.c: Likewise.
* libio/iofopncook.c: Likewise.
* libio/ioseekoff.c: Likewise.
* libio/ioseekpos.c: Likewise.
* libio/oldfileops.c: Likewise.
* libio/iofgetpos.c: Store state of conversion if necessary.
* libio/iofgetpos64.c: Likewise.
* libio/iofsetpos.c: Restore conversion state if necessary.
* libio/iofsetpos64.c: Likewise.
* libio/iofdopen.c: Initialize so that stream can be wide oriented.
* libio/iofopen.c: Likewise.
* libio/iofopen64.c: Likewise.
* libio/iopopen.c: Likewise.
* libio/iovdprintf.c: Likewise.
* libio/iovsprintf.c: Likewise.
* libio/iovsscanf.c: Likewise.
* libio/memstream.c: Likewise.
* libio/obprintf.c: Likewise.
* libio/iofputs.c: Orient stream if not already happened.
* libio/iofputs_u.c: Likewise.
* libio/iofwrite.c: Likewise.
* libio/iofwrite_u.c: Likewise.
* libio/ioputs.c: Likewise.
* libio/iosetbuffer.c: Handle not yet oriented stream.
* libio/iosetvbuf.c: Likewise.
* libio/oldstdfiles.c: Adjust FILEBUF_LITERAL call.
* libio/stdfiles.c: Likewise.
* libio/strops.c (_IO_str_overflow): Correctly free buffer after
failed allocation.
(_IO_str_seekoff): Use _IO_off64_t.
* libio/vasprintf.c: Pre-orient stream.
* libio/vsnprintf.c: Likewise.
* libio/fputwc.c: New file.
* libio/fputwc_u.c: New file.
* libio/fwprintf.c: New file.
* libio/fwscanf.c: New file.
* libio/getwc.c: New file.
* libio/getwc_u.c: New file.
* libio/getwchar.c: New file.
* libio/getwchar_u.c: New file.
* libio/iofgetws.c: New file.
* libio/iofgetws_u.c: New file.
* libio/iofputws.c: New file.
* libio/iofputws_u.c: New file.
* libio/iofwide.c: New file.
* libio/iogetwline.c: New file.
* libio/ioungetwc.c: New file.
* libio/iovswscanf.c: New file.
* libio/iowpadn.c: New file.
* libio/oldiofgetpos.c: New file.
* libio/oldiofgetpos64.c: New file.
* libio/oldiofsetpos.c: New file.
* libio/oldiofsetpos64.c: New file.
* libio/putwc.c: New file.
* libio/putwc_u.c: New file.
* libio/putwchar.c: New file.
* libio/putwchar_u.c: New file.
* libio/swprintf.c: New file.
* libio/swscanf.c: New file.
* libio/tst_swprintf.c: New file.
* libio/tst_swscanf.c: New file.
* libio/tst_wprintf.c: New file.
* libio/tst_wscanf.c: New file.
* libio/tst_wscanf.input: New file.
* libio/vswprintf.c: New file.
* libio/vwprintf.c: New file.
* libio/vwscanf.c: New file.
* libio/wfiledoalloc.c: New file.
* libio/wfileops.c: New file.
* libio/wgenops.c: New file.
* libio/wprintf.c: New file.
* libio/wscanf.c: New file.
* libio/wstrops.c: New file.
* stdio-common/Makefile (routines): Add _itowa, itowa-digits,
vfwprintf, and vfwscanf.
* stdio-common/_itoa.c (base_table): Rename to _IO_base_table and
make global.
* stdio-common/_itowa.c: New file.
* stdio-common/_itowa.h: New file.
* stdio-common/itoa-digits.c: Minimal optimization.
* stdio-common/itowa-digits.c: New file.
* stdio-common/printf-parse.h: Allow use in wide character context.
* stdio-common/printf-prs.c: Define ISASCII and MBRLEN.
* stdio-common/printf.h (printf_info): Add wide bit.
* stdio-common/printf_fp.c: Determine from wide bit whether stream
is wide oriented or not.
* stdio-common/printf_size.c: Likewise.
* sysdeps/generic/printf_fphex.c: Likewise.
* stdlib/strfmon.c: Call __printf_fp with wide bit cleared.
* stdio-common/vfprintf.c: Rewrite to allow use in wide character
context.
* stdio-common/vfscand.c: Likewise.
* stdio-common/vfwprintf.c: New file.
* stdio-common/vfwscanf.c: New file.
* time/Makefile (routines): Add wcsftime.
(tests): Add tst_wcsftime.
* time/Versions: Add wcsftime to GLIBC_2.2 for libc.
* time/strftime.c: Make usable as wcsftime.
* time/wcsftime.c: New file.
* time/tst_wcsftime.c: New file.
* wcsmbs/Makefile (routines): Add wmempcpy and wcschrnul.
* wcsmbs/Versions: Add wmempcpy and wcschrnul to GLIBC_2.2 for libc.
* wcsmbs/wcschrnul.c: New file.
* wcsmbs/wmemcpy.c: New file.
* wcsmbs/wmemcpy.c: Rename to __wmemcpy and make wmemcpy weak alias.
* wcsmbs/wmemmove.c: Likewise for wmemmove.
* manual/stdio.texi: Document is_char and wide element if printf_info.
* manual/time.texi: Document wcsftime.
* include/wchar.h: Add prototypes for __wmemcpy, __wmempcpy,
__wmemmove, __wcschrnul, and __vfwscanf.
* locale/langinfo.h: Add new LC_TIME entries for wchar_t data.
* locale/C-time.c: Adapt for above change.
* locale/categories.def: Likewise.
* locale/localeinfo.h: Likewise.
* localedata/Makefile: Don't run tests for now.
Diffstat (limited to 'libio/vswprintf.c')
-rw-r--r-- | libio/vswprintf.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/libio/vswprintf.c b/libio/vswprintf.c new file mode 100644 index 0000000000..addf39089c --- /dev/null +++ b/libio/vswprintf.c @@ -0,0 +1,144 @@ +/* Copyright (C) 1994, 1997, 1999 Free Software Foundation, Inc. + This file is part of the GNU IO Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This 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 + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this library; see the file COPYING. If not, write to + the Free Software Foundation, 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, if you link this library with files + compiled with a GNU compiler to produce an executable, this does + not cause the resulting executable to be covered by the GNU General + Public License. This exception does not however invalidate any + other reasons why the executable file might be covered by the GNU + General Public License. */ + +#include "libioP.h" +#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_strnfile; + + +static wint_t _IO_wstrn_overflow __P ((_IO_FILE *fp, wint_t c)); + +static wint_t +_IO_wstrn_overflow (fp, c) + _IO_FILE *fp; + wint_t c; +{ + /* When we come to here this means the user supplied buffer is + filled. But since we must return the number of characters which + would have been written in total we must provide a buffer for + further use. We can do this by writing on and on in the overflow + buffer in the _IO_strnfile structure. */ + _IO_strnfile *snf = (_IO_strnfile *) fp; + + if (fp->_wide_data->_IO_buf_base != snf->overflow_buf) + { + /* Terminate the string. We know that there is room for at + least one more character since we initialized the stream with + a size to make this possible. */ + *fp->_wide_data->_IO_write_ptr = '\0'; + + _IO_wsetb (fp, snf->overflow_buf, + snf->overflow_buf + (sizeof (snf->overflow_buf) + / sizeof (wchar_t)), 0); + + fp->_wide_data->_IO_write_base = snf->overflow_buf; + fp->_wide_data->_IO_read_base = snf->overflow_buf; + fp->_wide_data->_IO_read_ptr = snf->overflow_buf; + fp->_wide_data->_IO_read_end = (snf->overflow_buf + + (sizeof (snf->overflow_buf) + / sizeof (wchar_t))); + } + + fp->_wide_data->_IO_write_ptr = snf->overflow_buf; + fp->_wide_data->_IO_write_end = snf->overflow_buf; + + /* Since we are not really interested in storing the characters + which do not fit in the buffer we simply ignore it. */ + return c; +} + + +static struct _IO_jump_t _IO_wstrn_jumps = +{ + JUMP_INIT_DUMMY, + JUMP_INIT(finish, _IO_wstr_finish), + JUMP_INIT(overflow, (_IO_overflow_t) _IO_wstrn_overflow), + JUMP_INIT(underflow, (_IO_underflow_t) _IO_wstr_underflow), + JUMP_INIT(uflow, (_IO_underflow_t) _IO_wdefault_uflow), + JUMP_INIT(pbackfail, (_IO_pbackfail_t) _IO_wstr_pbackfail), + JUMP_INIT(xsputn, _IO_wdefault_xsputn), + JUMP_INIT(xsgetn, _IO_wdefault_xsgetn), + JUMP_INIT(seekoff, _IO_wstr_seekoff), + JUMP_INIT(seekpos, _IO_default_seekpos), + JUMP_INIT(setbuf, (_IO_setbuf_t) _IO_wdefault_setbuf), + JUMP_INIT(sync, _IO_default_sync), + JUMP_INIT(doallocate, _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) +}; + + +int +_IO_vswprintf (string, maxlen, format, args) + wchar_t *string; + _IO_size_t maxlen; + const wchar_t *format; + _IO_va_list args; +{ + _IO_strnfile sf; + int ret; + struct _IO_wide_data wd; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; + sf.f._sbf._f._lock = &lock; +#endif + + /* We need to handle the special case where MAXLEN is 0. Use the + overflow buffer right from the start. */ + if (maxlen == 0) + { + string = sf.overflow_buf; + maxlen = sizeof (sf.overflow_buf) / sizeof (wchar_t); + } + + _IO_no_init ((_IO_FILE *) &sf, 0, 0, &wd, NULL); + _IO_WIDE_JUMPS ((_IO_FILE *) &sf) = &_IO_wstrn_jumps; + _IO_fwide (&sf.f._sbf._f, 1); + string[0] = L'\0'; + _IO_wstr_init_static ((_IO_FILE *) &sf, string, maxlen - 1, string); + ret = _IO_vfwprintf ((_IO_FILE *) &sf, format, args); + + if (sf.f._sbf._f._wide_data->_IO_buf_base != sf.overflow_buf) + *sf.f._sbf._f._wide_data->_IO_write_ptr = '\0'; + return ret; +} + +#ifdef weak_alias +weak_alias (_IO_vswprintf, __vswprintf) +weak_alias (_IO_vswprintf, vswprintf) +#endif |