Fix portability (Bug #3842)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5235 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 87fbf1f8b3f9c2fff4acf752bb38266aeb904afc..02df48a2a2e16840822cbeb9a28104003a938723 100755 (executable)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -2573,7 +2573,7 @@ static struct sip_pvt *find_call(struct sip_request *req, struct sockaddr_in *si
                        strncpy(tmp, get_header(req, "To"), sizeof(tmp) - 1);
                else
                        strncpy(tmp, get_header(req, "From"), sizeof(tmp) - 1);
-               tag = strcasestr(tmp, "tag=");
+               tag = ast_strcasestr(tmp, "tag=");
                if (tag) {
                        tag += 4;
                        c = strchr(tag, ';');
@@ -3335,7 +3335,7 @@ static int respprep(struct sip_request *resp, struct sip_pvt *p, char *msg, stru
                copy_all_header(resp, req, "Record-Route");
        copy_header(resp, req, "From");
        ot = get_header(req, "To");
-       if (!strcasestr(ot, "tag=") && strncmp(msg, "100", 3)) {
+       if (!ast_strcasestr(ot, "tag=") && strncmp(msg, "100", 3)) {
                /* Add the proper tag if we don't have it already.  If they have specified
                   their tag, use it.  Otherwise, use our own tag */
                if (!ast_strlen_zero(p->theirtag) && ast_test_flag(p, SIP_OUTGOING))
@@ -3444,7 +3444,7 @@ static int reqprep(struct sip_request *req, struct sip_pvt *p, int sipmethod, in
 
        /* Add tag *unless* this is a CANCEL, in which case we need to send it exactly
           as our original request, including tag (or presumably lack thereof) */
-       if (!strcasestr(ot, "tag=") && sipmethod != SIP_CANCEL) {
+       if (!ast_strcasestr(ot, "tag=") && sipmethod != SIP_CANCEL) {
                /* Add the proper tag if we don't have it already.  If they have specified
                   their tag, use it.  Otherwise, use our own tag */
                if (ast_test_flag(p, SIP_OUTGOING) && !ast_strlen_zero(p->theirtag))
@@ -7699,7 +7699,7 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
 
        /* Get their tag if we haven't already */
        to = get_header(req, "To");
-       to = strcasestr(to, "tag=");
+       to = ast_strcasestr(to, "tag=");
        if (to) {
                to += 4;
                strncpy(p->theirtag, to, sizeof(p->theirtag) - 1);
@@ -8869,7 +8869,7 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
        /* Find their tag if we haven't got it */
        if (ast_strlen_zero(p->theirtag)) {
                from = get_header(req, "From");
-               from = strcasestr(from, "tag=");
+               from = ast_strcasestr(from, "tag=");
                if (from) {
                        from += 4;
                        strncpy(p->theirtag, from, sizeof(p->theirtag) - 1);