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-rw-r--r--lib/stream.c14
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. */