msvcrt: Make _flsbuf thread safe.
This commit is contained in:
parent
f773ad8388
commit
c989c4980b
|
@ -3025,30 +3025,40 @@ int CDECL MSVCRT_fputc(int c, MSVCRT_FILE* file)
|
|||
*/
|
||||
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) {
|
||||
MSVCRT__lock_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 {
|
||||
MSVCRT__unlock_file(file);
|
||||
return MSVCRT_EOF;
|
||||
}
|
||||
}
|
||||
if(file->_bufsiz) {
|
||||
int res=msvcrt_flush_buffer(file);
|
||||
return res?res : MSVCRT_fputc(c, file);
|
||||
} else {
|
||||
unsigned char cc=c;
|
||||
if(!res)
|
||||
res = MSVCRT_fputc(c, file);
|
||||
MSVCRT__unlock_file(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;
|
||||
len = MSVCRT__write(file->_file, &cc, 1);
|
||||
if (len == 1) {
|
||||
MSVCRT__unlock_file(file);
|
||||
return c & 0xff;
|
||||
}
|
||||
file->_flag |= MSVCRT__IOERR;
|
||||
MSVCRT__unlock_file(file);
|
||||
return MSVCRT_EOF;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
|
|
Loading…
Reference in New Issue