simplify a function

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@21879 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/pbx.c b/pbx.c
index 004900e..b406620 100644 (file)
--- a/pbx.c
+++ b/pbx.c
@@ -5240,7 +5240,6 @@ static int pbx_builtin_waitexten(struct ast_channel *chan, void *data)
 static int pbx_builtin_background(struct ast_channel *chan, void *data)
 {
        int res = 0;
-       char *front = NULL, *back = NULL;
        struct ast_flags flags = {0};
        char *parse;
        AST_DECLARE_APP_ARGS(args,
@@ -5283,43 +5282,33 @@ static int pbx_builtin_background(struct ast_channel *chan, void *data)
        }
 
        if (!res) {
-               /* Stop anything playing */
-               ast_stopstream(chan);
-               /* Stream a file */
-               front = args.filename;
-               while(!res && front) {
-                       if((back = strchr(front, '&'))) {
-                               *back = '\0';
-                               back++;
-                       }
-                       res = ast_streamfile(chan, front, args.lang);
-                       if (!res) {
-                               if (ast_test_flag(&flags, BACKGROUND_PLAYBACK)) {
-                                       res = ast_waitstream(chan, "");
-                               } else {
-                                       if (ast_test_flag(&flags, BACKGROUND_MATCHEXTEN)) {
-                                               res = ast_waitstream_exten(chan, args.context);
-                                       } else {
-                                               res = ast_waitstream(chan, AST_DIGIT_ANY);
-                                       }
-                               }
-                               ast_stopstream(chan);
-                       } else {
+               char *back = args.filename;
+               char *front;
+               ast_stopstream(chan);           /* Stop anything playing */
+               /* Stream the list of files */
+               while (!res && (front = strsep(&back, "&")) ) {
+                       if ( (res = ast_streamfile(chan, front, args.lang)) ) {
                                ast_log(LOG_WARNING, "ast_streamfile failed on %s for %s\n", chan->name, (char*)data);
                                res = 0;
                                break;
                        }
-                       front = back;
+                       if (ast_test_flag(&flags, BACKGROUND_PLAYBACK)) {
+                               res = ast_waitstream(chan, "");
+                       } else if (ast_test_flag(&flags, BACKGROUND_MATCHEXTEN)) {
+                               res = ast_waitstream_exten(chan, args.context);
+                       } else {
+                               res = ast_waitstream(chan, AST_DIGIT_ANY);
+                       }
+                       ast_stopstream(chan);
                }
        }
        if (args.context != chan->context && res) {
                snprintf(chan->exten, sizeof(chan->exten), "%c", res);
                ast_copy_string(chan->context, args.context, sizeof(chan->context));
                chan->priority = 0;
-               return 0;
-       } else {
-               return res;
+               res = 0;
        }
+       return res;
 }
 
 /*! Goto