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* wcsmbs/mbrtowc.c: Create temporary state object if no output is
	written.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.

	* wcsmbs/wcrtomb.c: Compute result correctly for successful call
	with s == NULL.
This commit is contained in:
Ulrich Drepper 2000-01-19 07:29:43 +00:00
parent a5334a6807
commit 6a07e1f8df
5 changed files with 27 additions and 4 deletions
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9
ChangeLog
View File

@ -1,5 +1,14 @@
2000-01-18 Ulrich Drepper <drepper@cygnus.com>
* wcsmbs/mbrtowc.c: Create temporary state object if no output is
written.
* wcsmbs/mbsrtowcs.c: Likewise.
* wcsmbs/wcrtomb.c: Likewise.
* wcsmbs/wcsrtombs.c: Likewise.
* wcsmbs/wcrtomb.c: Compute result correctly for successful call
with s == NULL.
* wcsmbs/mbsrtowcs.c: Compute return value correctly after change
in gconv function.

3
wcsmbs/mbrtowc.c
View File

@ -34,6 +34,7 @@ static mbstate_t state;
size_t
__mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
{
mbstate_t temp_state;
wchar_t buf[1];
struct __gconv_step_data data;
int status;
@ -57,6 +58,8 @@ __mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
data.__outbuf = (char *) buf;
s = "";
n = 1;
temp_state = *data.__statep;
data.__statep = &temp_state;
}
/* Make sure we use the correct function. */

4
wcsmbs/mbsrtowcs.c
View File

@ -62,10 +62,14 @@ __mbsrtowcs (dst, src, len, ps)
/* We have to handle DST == NULL special. */
if (dst == NULL)
{
mbstate_t temp_state;
wchar_t buf[64]; /* Just an arbitrary size. */
const unsigned char *inbuf = (const unsigned char *) *src;
const unsigned char *srcend = inbuf + strlen (inbuf) + 1;
temp_state = *data.__statep;
data.__statep = &temp_state;
result = 0;
data.__outbufend = (char *) buf + sizeof (buf);
do

9
wcsmbs/wcrtomb.c
View File

@ -1,6 +1,6 @@
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
@ -36,6 +36,7 @@ static mbstate_t state;
size_t
__wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
{
mbstate_t temp_state;
char buf[MB_CUR_MAX];
struct __gconv_step_data data;
int status;
@ -56,6 +57,8 @@ __wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
{
data.__outbuf = buf;
wc = L'\0';
temp_state = *data.__statep;
data.__statep = &temp_state;
}
/* Make sure we use the correct function. */
@ -95,7 +98,7 @@ __wcrtomb (char *s, wchar_t wc, mbstate_t *ps)
if (status == __GCONV_OK || status == __GCONV_EMPTY_INPUT
|| status == __GCONV_FULL_OUTPUT)
result = data.__outbuf - (unsigned char *) s;
result = data.__outbuf - (unsigned char *) (s ?: buf);
else
{
result = (size_t) -1;

6
wcsmbs/wcsrtombs.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
@ -60,11 +60,15 @@ __wcsrtombs (dst, src, len, ps)
/* We have to handle DST == NULL special. */
if (dst == NULL)
{
mbstate_t temp_state;
unsigned char buf[256]; /* Just an arbitrary value. */
const wchar_t *srcend = *src + __wcslen (*src) + 1;
const wchar_t *inbuf = *src;
size_t dummy;
temp_state = *data.__statep;
data.__statep = &temp_state;
result = 0;
data.__outbufend = buf + sizeof (buf);