free category

core/omg.c

@@ -1566,3 +1566,15 @@ void omg_free_discussion(omg_discussion *discussion) {
     }
   }
 }
+
+void omg_free_repo_discussion_category(omg_repo_discussion_category *category) {
+  if (category != NULL) {
+    free(category->id);
+    for (size_t i = 0; i < category->len; i++) {
+      free(category->categories[i].id);
+      free(category->categories[i].name);
+    }
+
+    free(category->categories);
+  }
+}

core/omg.h

@@ -278,6 +278,12 @@ typedef struct {
   size_t len;
 } omg_repo_discussion_category;
 
+void omg_free_repo_discussion_category(omg_repo_discussion_category *);
+
+#define omg_auto_repo_discussion_category                                      \
+  omg_repo_discussion_category                                                 \
+      __attribute__((cleanup(omg_free_repo_discussion_category)))
+
 omg_error omg_query_repo_discussion_category(omg_context, const char *owner,
                                              const char *name,
                                              omg_repo_discussion_category *);

tests/core.zig

@@ -106,7 +106,7 @@ fn test_create_pull(ctx: ?*clib.struct_omg_context) anyerror!void {
 }
 
 fn test_star_repo(ctx: ?*clib.struct_omg_context) anyerror!void {
-    try check_error(clib.omg_star_repo(ctx, "jiacai2050/oh-my-github"));
+    try check_error(clib.omg_star_repo(ctx, "xigua2023/xigua2023"));
 }
 
 pub fn main() anyerror!void {

tests/discussion.zig

@@ -23,7 +23,7 @@ fn query(ctx: c.omg_context) !void {
     };
     try util.check_error(c.omg_query_repo_discussion_category(ctx, "xigua2023", "test-github-api", &out));
     defer {
-        // TODO: free out
+        c.omg_free_repo_discussion_category(&out);
     }
 }