fix reply_digest breakage from earlier patch

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5941 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 2214022347b21b860c7261aaf190b06b6e1c17d3..31391c4d24b78cd6693930e9db1334e92b98b3d8 100755 (executable)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -7772,29 +7772,24 @@ static int reply_digest(struct sip_pvt *p, struct sip_request *req,
                i->dst[0] = '\0';       /* init all to empty strings */
        while (c && *(c = ast_skip_blanks(c))) {        /* lookup for keys */
                for (i = keys; i->key != NULL; i++) {
-                       char *src;
+                       char *src, *separator;
                        if (strncasecmp(c, i->key, strlen(i->key)) != 0)
                                continue;
                        /* Found. Skip keyword, take text in quotes or up to the separator. */
                        c += strlen(i->key);
-                       if ((*c == '\"')) {
+                       if (*c == '\"') {
                                src = ++c;
-                               if ((c = strchr(c,'\"'))) {
-                                       *c = '\0';
-                                       c++;
-                               }
+                               separator = "\"";
                        } else {
                                src = c;
-                               if ((c = strchr(c,','))) {
-                                       *c = '\0';
-                                       c++;
-                               }
+                               separator = ",";
                        }
+                       strsep(&c, separator); /* clear separator and move ptr */
                        ast_copy_string(i->dst, src, i->dstlen);
                        break;
                }
-               if (i->key == NULL)
-                       c = strchr(c,',');
+               if (i->key == NULL) /* not found, try ',' */
+                       strsep(&c, ",");
        }
 
        /* Save auth data for following registrations */