diff options
author | Mark Spencer <markster@digium.com> | 2003-08-15 18:50:49 +0000 |
---|---|---|
committer | Mark Spencer <markster@digium.com> | 2003-08-15 18:50:49 +0000 |
commit | 3e211c91a209fd87357e441b33d5e71132010cb3 (patch) | |
tree | bebbee405fc74b5b46e109a7dea44fdffac39f84 | |
parent | 6aa3efe185a20c6f74713dd988823314a4324716 (diff) |
Make sure strncat is > 0
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1341 65c4cc65-6c06-0410-ace0-fbb531ad65f3
-rwxr-xr-x | channels/chan_sip.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index fd5971e0f..e1727dea9 100755 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -3720,9 +3720,13 @@ static int check_user(struct sip_pvt *p, struct sip_request *req, char *cmd, cha static int get_msg_text(char *buf, int len, struct sip_request *req) { int x; + int y; strcpy(buf, ""); + y = len - strlen(buf) - 5; + if (y < 0) + y = 0; for (x=0;x<req->lines;x++) { - strncat(buf, req->line[x], len - strlen(buf) - 5); + strncat(buf, req->line[x], y); strcat(buf, "\n"); } return 0; |