diff options
| -rw-r--r-- | lib/stream.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/lib/stream.c b/lib/stream.c index b226a25e..ee2920e6 100644 --- a/lib/stream.c +++ b/lib/stream.c @@ -219,13 +219,23 @@ stream_set_endp (struct stream *s, size_t pos) { STREAM_VERIFY_SANE(s); - if (!GETP_VALID (s, pos)) + if (!ENDP_VALID(s, pos)) { STREAM_BOUND_WARN (s, "set endp"); - pos = s->endp; + return; + } + + /* + * Make sure the current read pointer is not beyond the new endp. + */ + if (s->getp > pos) + { + STREAM_BOUND_WARN(s, "set endp"); + return; } s->endp = pos; + STREAM_VERIFY_SANE(s); } /* Forward pointer. */ |