diff options
| author |   djm <djm@openbsd.org> | 2004-06-25 19:10:54 +0000 |
|---|---|---|
| committer | djm <djm@openbsd.org> | 2004-06-25 19:10:54 +0000 |
| commit | 35b969541e64fc711bac159214df286d5b03035c (patch) | |
| tree | 2f1f476f3434299a2532c39837e0cb546dadc148 /usr.sbin/syslogd/ringbuf.c | |
| parent | interface groups (diff) | |
| download | wireguard-openbsd-35b969541e64fc711bac159214df286d5b03035c.tar.xz wireguard-openbsd-35b969541e64fc711bac159214df286d5b03035c.zip | |
extend memory buffer control protocol to support transmission of flags,
starting with one to indicate whether the memory ringbuffers have overflowed;
idea & ok markus@
NB if you are using memory buffered logging make sure you update both syslogd
and syslogc _and_ restart syslogd because the protocol has changed
Diffstat (limited to 'usr.sbin/syslogd/ringbuf.c')
| -rw-r--r-- | usr.sbin/syslogd/ringbuf.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/usr.sbin/syslogd/ringbuf.c b/usr.sbin/syslogd/ringbuf.c index 2b3a16d96e8..43b4b1c83d7 100644 --- a/usr.sbin/syslogd/ringbuf.c +++ b/usr.sbin/syslogd/ringbuf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ringbuf.c,v 1.2 2004/02/26 11:02:32 avsm Exp $ */ +/* $OpenBSD: ringbuf.c,v 1.3 2004/06/25 19:10:54 djm Exp $ */ /* * Copyright (c) 2004 Damien Miller @@ -73,6 +73,7 @@ int ringbuf_append_line(struct ringbuf *rb, char *line) { size_t llen, used, copy_len; + int overflow = 0; if (rb == NULL || line == NULL) return (-1); @@ -98,6 +99,8 @@ ringbuf_append_line(struct ringbuf *rb, char *line) rb->start = (rb->start + 1) % rb->len; /* Skip it */ rb->start = (rb->start + 1) % rb->len; + + overflow = 1; } /* @@ -116,7 +119,7 @@ ringbuf_append_line(struct ringbuf *rb, char *line) rb->end = (rb->end + llen) % rb->len; - return (0); + return (overflow); } /* |