/* stdout.c will override this if linked */
static FILE *volatile dummy = 0;
weak_alias(dummy, __stdout_used);
+weak_alias(dummy, __stderr_used);
int fflush(FILE *f)
{
if (!f) {
- int r = __stdout_used ? fflush(__stdout_used) : 0;
+ int r = 0;
+ if (__stdout_used) r |= fflush(__stdout_used);
+ if (__stderr_used) r |= fflush(__stderr_used);
for (f=*__ofl_lock(); f; f=f->next) {
FLOCK(f);
- if (f->wpos > f->wbase) r |= fflush(f);
+ if (f->wpos != f->wbase) r |= fflush(f);
FUNLOCK(f);
}
__ofl_unlock();
FLOCK(f);
/* If writing, flush output */
- if (f->wpos > f->wbase) {
+ if (f->wpos != f->wbase) {
f->write(f, 0, 0);
if (!f->wpos) {
FUNLOCK(f);
}
/* If reading, sync position, per POSIX */
- if (f->rpos < f->rend) f->seek(f, f->rpos-f->rend, SEEK_CUR);
+ if (f->rpos != f->rend) f->seek(f, f->rpos-f->rend, SEEK_CUR);
/* Clear read and write modes */
f->wpos = f->wbase = f->wend = 0;