cdr: Fix 'core show channel' CDR variable truncation.

When the new Bridging API was implemented, the workspace variable
changed to a malloc'd string, causing sizeof() to always be 8 (char).

Revert back to stored on stack string for workspace.

ASTERISK-25090 #close

Change-Id: I51e610ae87371df771ce7693a955510efb90f8f7

diff --git a/main/cdr.c b/main/cdr.c
index 5e24dae1b2a4a3cfe2ca71beaf61558897b12a89..96d055ca0925cedfe570c593ea7a55aee4c27879 100644 (file)
--- a/main/cdr.c
+++ b/main/cdr.c
@@ -3096,13 +3096,9 @@ int ast_cdr_serialize_variables(const char *channel_name, struct ast_str **buf,
        struct cdr_object *it_cdr;
        struct ast_var_t *variable;
        const char *var;
-       RAII_VAR(char *, workspace, ast_malloc(256), ast_free);
+       char workspace[256];
        int total = 0, x = 0, i;
 
-       if (!workspace) {
-               return 0;
-       }
-
        if (!cdr) {
                RAII_VAR(struct module_config *, mod_cfg,
                         ao2_global_obj_ref(module_configs), ao2_cleanup);