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- Provide a real fix for fwprintf and fputwc in case the output stream is in TEXT mode by doing a widechar to multibyte conversion.

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- This should be submitted to Wine to close their bug.
See issue #3353 for more details.

svn path=/trunk/; revision=34042
This commit is contained in:
Aleksey Bragin
2008-06-21 15:58:00 +00:00
parent 7cf55b1f25
commit 3ee18cdb67
1 changed files with 42 additions and 3 deletions
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reactos/lib/sdk/crt/stdio/file.c
+42 -3
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@@ -2473,8 +2473,25 @@ size_t CDECL fwrite(const void *ptr, size_t size, size_t nmemb, FILE* file)
wint_t CDECL fputwc(wint_t wc, FILE* file)
{
wchar_t mwc=wc;
if (fwrite( &mwc, sizeof(mwc), 1, file) != 1)
return WEOF;
char mbchar[10]; // MB_CUR_MAX_CONST
int mb_return;
if (file->_flag & _IOBINARY)
{
if (fwrite( &mwc, sizeof(mwc), 1, file) != 1)
return WEOF;
}
else
{
/* Convert to multibyte in text mode */
mb_return = wctomb(mbchar, mwc);
if (mb_return == -1) return WEOF;
/* Output all characters */
if (fwrite( mbchar, 1, mb_return, file) != 1)
return WEOF;
}
return wc;
}
@@ -3105,6 +3122,7 @@ int CDECL vfprintf(FILE* file, const char *format, va_list valist)
int CDECL vfwprintf(FILE* file, const wchar_t *format, va_list valist)
{
wchar_t buf[2048], *mem = buf;
char mbbuf[2048], *mbmem = mbbuf;
int written, resize = sizeof(buf) / sizeof(wchar_t), retval;
/* See vfprintf comments */
while ((written = _vsnwprintf(mem, resize, format, valist)) == -1 ||
@@ -3116,9 +3134,30 @@ int CDECL vfwprintf(FILE* file, const wchar_t *format, va_list valist)
if (!(mem = malloc(resize*sizeof(*mem))))
return EOF;
}
retval = fwrite(mem, sizeof(*mem), written, file);
/* Check if outputting to a text-file */
if (fdesc[file->_file].wxflag & WX_TEXT)
{
/* Convert to multibyte then */
written = wcstombs(NULL, mem, 0);
if (written >= sizeof(mbbuf) && (written != (int)-1))
mbmem = malloc(written + 1);
wcstombs(mbmem, mem, written);
retval = fwrite(mbmem, 1, written, file);
if (mbmem != mbbuf)
free(mbmem);
}
else
{
retval = fwrite(mem, sizeof(*mem), written, file);
}
if (mem != buf)
free (mem);
return retval;
}