diff options
Diffstat (limited to 'src/stdio/fmemopen.c')
| -rw-r--r-- | src/stdio/fmemopen.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/stdio/fmemopen.c b/src/stdio/fmemopen.c index 343e3e3f..04472247 100644 --- a/src/stdio/fmemopen.c +++ b/src/stdio/fmemopen.c @@ -63,7 +63,12 @@ static size_t mwrite(FILE *f, const unsigned char *buf, size_t len) } if (c->mode == 'a') c->pos = c->len; rem = c->size - c->pos; - if (len > rem) len = rem; + if (len > rem) { + errno = ENOSPC; + f->wpos = f->wbase = f->wend = 0; + f->flags |= F_ERR; + len = rem; + } memcpy(c->buf+c->pos, buf, len); c->pos += len; if (c->pos > c->len) { |