diff options
| author | Alexandre Ratchov <ratchov@cvs.openbsd.org> | 2008-08-14 10:02:11 +0000 |
|---|---|---|
| committer | Alexandre Ratchov <ratchov@cvs.openbsd.org> | 2008-08-14 10:02:11 +0000 |
| commit | 988c365960679e67f3f59b1e3c8e9403538d8ebe (patch) | |
| tree | 3feb8f31ee70f5f4a9d79172acba55120ea06f6e /usr.bin | |
| parent | 7061d687e5cfe865da42e09d645e3389fb80b225 (diff) | |
in abuf_rgetblk() the ``start'' pointer may take a value beyond the
end of the buffer because periodic boundary conditions of the FIFO are
not met
ok jakemsr
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/aucat/abuf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.bin/aucat/abuf.c b/usr.bin/aucat/abuf.c index e6f4803b382..574b80262b2 100644 --- a/usr.bin/aucat/abuf.c +++ b/usr.bin/aucat/abuf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: abuf.c,v 1.5 2008/08/14 09:46:36 ratchov Exp $ */ +/* $OpenBSD: abuf.c,v 1.6 2008/08/14 10:02:10 ratchov Exp $ */ /* * Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org> * @@ -97,6 +97,8 @@ abuf_rgetblk(struct abuf *buf, unsigned *rsize, unsigned ofs) start = buf->start + ofs; used = buf->used - ofs; + if (start >= buf->len) + start -= buf->len; count = buf->len - start; if (count > used) count = used; |