static int __fflush_unlocked(FILE *f)
{
- /* If writing, flush output. */
- if (f->wpos > f->buf && __oflow(f)) return -1;
+ /* If writing, flush output */
+ if (f->wpos > f->wbase) {
+ f->write(f, 0, 0);
+ if (!f->wpos) return EOF;
+ }
/* If reading, sync position, per POSIX */
if (f->rpos < f->rend) f->seek(f, f->rpos-f->rend, SEEK_CUR);
- f->rpos = f->rend;
+
+ /* Clear read and write modes */
+ f->wpos = f->wbase = f->wend = 0;
+ f->rpos = f->rend = 0;
/* Hook for special behavior on flush */
if (f->flush) f->flush(f);
- return (f->flags & F_ERR) ? EOF : 0;
+ return 0;
}
/* stdout.c will override this if linked */
-static FILE *const __dummy = 0;
-weak_alias(__dummy, __stdout_to_flush);
+static FILE *const dummy = 0;
+weak_alias(dummy, __stdout_used);
int fflush(FILE *f)
{
return r;
}
- r = __stdout_to_flush ? fflush(__stdout_to_flush) : 0;
+ r = __stdout_used ? fflush(__stdout_used) : 0;
OFLLOCK();
- for (f=ofl_head; f; f=next) {
+ for (f=libc.ofl_head; f; f=next) {
FLOCK(f);
- OFLUNLOCK();
- r |= __fflush_unlocked(f);
- OFLLOCK();
+ //OFLUNLOCK();
+ if (f->wpos > f->wbase) r |= __fflush_unlocked(f);
+ //OFLLOCK();
next = f->next;
FUNLOCK(f);
}