add new syntax to uuid_setvar to allow you to unset a var.

New syntax is:
<uuid> <var> [value]

Previously value was required, now if it is omitted it will unset the var.
(MODAPP-167)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10381 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index ea0dbdb384b858bb240f59b219d0e4ca411d5e7a..3b4537f9a16dfbc856a443962d4151d28c3b8bfc 100644 (file)
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -2593,7 +2593,7 @@ SWITCH_STANDARD_API(uuid_flush_dtmf_function)
        return SWITCH_STATUS_SUCCESS;
 }
 
-#define SETVAR_SYNTAX "<uuid> <var> <value>"
+#define SETVAR_SYNTAX "<uuid> <var> [value]"
 SWITCH_STANDARD_API(uuid_setvar_function)
 {
        switch_core_session_t *psession = NULL;
@@ -2606,10 +2606,14 @@ SWITCH_STANDARD_API(uuid_setvar_function)
 
        if (!switch_strlen_zero(cmd) && (mycmd = strdup(cmd))) {
                argc = switch_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
-               if (argc == 3 && !switch_strlen_zero(argv[0])) {
+               if ((argc == 2 || argc == 3) && !switch_strlen_zero(argv[0])) {
                        char *uuid = argv[0];
                        char *var_name = argv[1];
-                       char *var_value = argv[2];
+                       char *var_value = NULL;
+
+                       if (argc == 3) {
+                               var_value =     argv[2];
+                       }
 
                        if ((psession = switch_core_session_locate(uuid))) {
                                switch_channel_t *channel;