Alphabetize the functions list

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7615 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/pbx.c b/pbx.c
index 05315495f027369673f067622299339db6f15004..82b49a24615d59667c6a5426f4ee74b1d5fa580d 100644 (file)
--- a/pbx.c
+++ b/pbx.c
@@ -1275,6 +1275,9 @@ int ast_custom_function_unregister(struct ast_custom_function *acf)
 
 int ast_custom_function_register(struct ast_custom_function *acf) 
 {
+       struct ast_custom_function *cur, *last = NULL;
+       int found = 0;
+
        if (!acf)
                return -1;
 
@@ -1290,8 +1293,29 @@ int ast_custom_function_register(struct ast_custom_function *acf)
                return -1;
        }
 
-       acf->next = acf_root;
-       acf_root = acf;
+       for (cur = acf_root; cur; cur = cur->next) {
+               if (strcmp(acf->name, cur->name) < 0) {
+                       found = 1;
+                       if (last) {
+                               acf->next = cur;
+                               last->next = acf;
+                       } else {
+                               acf->next = acf_root;
+                               acf_root = acf;
+                       }
+                       break;
+               }
+               last = cur;
+       }
+
+       /* Wasn't before anything else, put it at the end */
+       if (!found) {
+               if (last)
+                       last->next = acf;
+               else
+                       acf_root = acf;
+               acf->next = NULL;
+       }
 
        ast_mutex_unlock(&acflock);