localize some variables, remove useless parentheses

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@19465 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index eaaa6f5..fbb6b70 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -3927,29 +3927,29 @@ static int copy_all_header(struct sip_request *req, struct sip_request *orig, ch
        Received: RFC 3261, rport RFC 3581 */
 static int copy_via_headers(struct sip_pvt *p, struct sip_request *req, struct sip_request *orig, char *field)
 {
-       char tmp[256], *end;
-       int start = 0;
        int copied = 0;
-       char iabuf[INET_ADDRSTRLEN];
+       int start = 0;
 
        for (;;) {
+               char new[256];
                const char *oh = __get_header(orig, field, &start);
 
                if (ast_strlen_zero(oh))
                        break;
 
-                       /* XXX reindent next block */
                        if (!copied) {  /* Only check for empty rport in topmost via header */
+                               char iabuf[INET_ADDRSTRLEN];
                                char *rport;
-                               char new[256];
 
                                /* Find ;rport;  (empty request) */
                                rport = strstr(oh, ";rport");
                                if (rport && *(rport+6) == '=') 
                                        rport = NULL;           /* We already have a parameter to rport */
 
-                               if (rport && (ast_test_flag(&p->flags[0], SIP_NAT) == SIP_NAT_ALWAYS)) {
+                               if (rport && ast_test_flag(&p->flags[0], SIP_NAT) == SIP_NAT_ALWAYS) {
                                        /* We need to add received port - rport */
+                                       char tmp[256], *end;
+
                                        ast_copy_string(tmp, oh, sizeof(tmp));
 
                                        rport = strstr(tmp, ";rport");
@@ -3966,16 +3966,17 @@ static int copy_via_headers(struct sip_pvt *p, struct sip_request *req, struct s
                                        /* Whoo hoo!  Now we can indicate port address translation too!  Just
                                           another RFC (RFC3581). I'll leave the original comments in for
                                           posterity.  */
-                                       snprintf(new, sizeof(new), "%s;received=%s;rport=%d", tmp, ast_inet_ntoa(iabuf, sizeof(iabuf), p->recv.sin_addr), ntohs(p->recv.sin_port));
+                                       snprintf(new, sizeof(new), "%s;received=%s;rport=%d",
+                                               tmp, ast_inet_ntoa(iabuf, sizeof(iabuf), p->recv.sin_addr),
+                                               ntohs(p->recv.sin_port));
                                } else {
                                        /* We should *always* add a received to the topmost via */
-                                       snprintf(new, sizeof(new), "%s;received=%s", oh, ast_inet_ntoa(iabuf, sizeof(iabuf), p->recv.sin_addr));
+                                       snprintf(new, sizeof(new), "%s;received=%s",
+                                               oh, ast_inet_ntoa(iabuf, sizeof(iabuf), p->recv.sin_addr));
                                }
-                               add_header(req, field, new);
-                       } else {
-                               /* Add the following via headers untouched */
-                               add_header(req, field, oh);
-                       }
+                               oh = new;       /* the header to copy */
+                       }  /* else add the following via headers untouched */
+                       add_header(req, field, oh);
                        copied++;
        }
        if (!copied) {