ensure buffer size is computed properly for ast_copy_string

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5554 65c4cc65-6c06-0410-ace0-fbb531ad65f3
20 years ago · cd9a1226b5
parent 7b576dd5cf
commit cd9a1226b5
1 changed files with 1 additions and 1 deletions
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@ -1490,7 +1490,7 @@ static int create_addr(struct sip_pvt *r, char *opeer)
 		ast_copy_string(r->fullcontact, p->fullcontact, sizeof(r->fullcontact));
 		if (!r->initreq.headers && !ast_strlen_zero(p->fromdomain)) {
 			if ((callhost = strchr(r->callid, '@'))) {
-				ast_copy_string(callhost + 1, p->fromdomain, sizeof(r->callid) - (callhost - r->callid) - 2);
+				ast_copy_string(callhost + 1, p->fromdomain, sizeof(r->callid) - (callhost - r->callid) - 1);
 			}
 		}
 		if (ast_strlen_zero(r->tohost)) {