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msvcrt: Don't use fputc in flsbuf implementation.

This commit is contained in:
Piotr Caban 2011-11-16 12:50:50 +01:00 committed by Alexandre Julliard
parent 666f83bc0f
commit 764b85511c
1 changed files with 39 additions and 35 deletions
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74
dlls/msvcrt/file.c
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@ -3062,8 +3062,45 @@ int CDECL MSVCRT__wfopen_s(MSVCRT_FILE** pFile, const MSVCRT_wchar_t *filename,
return 0;
}
/* MSVCRT_fputc calls MSVCRT__flsbuf which calls MSVCRT_fputc */
int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file);
/*********************************************************************
* _flsbuf (MSVCRT.@)
*/
int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
{
/* Flush output buffer */
if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
msvcrt_alloc_buffer(file);
}
if(!(file->_flag & MSVCRT__IOWRT)) {
if(file->_flag & MSVCRT__IORW)
file->_flag |= MSVCRT__IOWRT;
else
return MSVCRT_EOF;
}
if(file->_bufsiz) {
int res = 0;
if(file->_cnt == 0)
res = msvcrt_flush_buffer(file);
if(!res) {
*file->_ptr++ = c;
file->_cnt--;
res = msvcrt_flush_buffer(file);
}
return res ? res : c&0xff;
} else {
unsigned char cc=c;
int len;
/* set _cnt to 0 for unbuffered FILEs */
file->_cnt = 0;
len = MSVCRT__write(file->_file, &cc, 1);
if (len == 1)
return c & 0xff;
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
}
/*********************************************************************
* fputc (MSVCRT.@)
@ -3093,39 +3130,6 @@ int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
}
}
/*********************************************************************
* _flsbuf (MSVCRT.@)
*/
int CDECL MSVCRT__flsbuf(int c, MSVCRT_FILE* file)
{
/* Flush output buffer */
if(file->_bufsiz == 0 && !(file->_flag & MSVCRT__IONBF)) {
msvcrt_alloc_buffer(file);
}
if(!(file->_flag & MSVCRT__IOWRT)) {
if(file->_flag & MSVCRT__IORW)
file->_flag |= MSVCRT__IOWRT;
else
return MSVCRT_EOF;
}
if(file->_bufsiz) {
int res=msvcrt_flush_buffer(file);
if(!res)
res = MSVCRT_fputc(c, file);
return res;
} else {
unsigned char cc=c;
int len;
/* set _cnt to 0 for unbuffered FILEs */
file->_cnt = 0;
len = MSVCRT__write(file->_file, &cc, 1);
if (len == 1)
return c & 0xff;
file->_flag |= MSVCRT__IOERR;
return MSVCRT_EOF;
}
}
/*********************************************************************
* _fputchar (MSVCRT.@)
*/