fmemopen: fix eof handling, hopefully right this time

This commit is contained in:
Rich Felker 2011-09-04 16:06:38 -04:00
parent f81279ff58
commit 22e4542348

View File

@ -24,8 +24,10 @@ static size_t mread(FILE *f, unsigned char *buf, size_t len)
{
struct cookie *c = f->cookie;
size_t rem = c->size - c->pos;
if (!len) return 0;
if (len > rem) len = rem;
if (len > rem) {
len = rem;
f->flags |= F_EOF;
}
memcpy(buf, c->buf+c->pos, len);
c->pos += len;
rem -= len;
@ -34,7 +36,6 @@ static size_t mread(FILE *f, unsigned char *buf, size_t len)
f->rend = f->buf + rem;
memcpy(f->rpos, c->buf+c->pos, rem);
c->pos += rem;
if (!len) f->flags |= F_EOF;
return len;
}