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lib/debug_config.c

@@ -131,6 +131,26 @@ void debug_set_category_level_by_name(const char* category_name, const char* lev
     debug_set_category_level(cat, lvl);
 }
 
+int debug_apply_category_config(const char* category_name, const char* level_name) {
+    if (!category_name || !level_name) return -1;
+    debug_category_t cat = get_category_by_name(category_name);
+    if (cat == DEBUG_CATEGORY_NONE) {
+        DEBUG_ERROR(DEBUG_CATEGORY_CONFIG, "Unknown debug category '%s'", category_name);
+        return -1;
+    }
+    debug_level_t lvl = debug_level_from_name(level_name);
+    debug_set_category_level(cat, lvl);
+    DEBUG_INFO(DEBUG_CATEGORY_CONFIG, "Applied per-category debug: %s=%s", category_name, level_name);
+    return 0;
+}
+
+void debug_apply_global_level(const char* level_name) {
+    if (!level_name || !*level_name) return;
+    debug_level_t level = debug_level_from_name(level_name);
+    debug_set_level(level);
+    DEBUG_INFO(DEBUG_CATEGORY_CONFIG, "Applied global debug_level: %s", level_name);
+}
+
 /* Get category name for logging */
 const char* debug_get_category_name(debug_category_t category_idx) {
     switch (category_idx) {

lib/debug_config.h

@@ -135,6 +135,12 @@ debug_level_t debug_level_from_name(const char* name);
 /* Set category level using text names (main API) */
 void debug_set_category_level_by_name(const char* category_name, const char* level_name);
 
+/* Apply full category config with error reporting */
+int debug_apply_category_config(const char* category_name, const char* level_name);
+
+/* Apply global debug level from text name */
+void debug_apply_global_level(const char* level_name);
+
 /* Format and output debug message (internal use by macros) */
 void debug_output(debug_level_t level, debug_category_t category_idx, 
                  const char* function, const char* file, int line,

src/utun_instance.c

@@ -142,33 +142,15 @@ struct UTUN_INSTANCE* utun_instance_create(struct UASYNC* ua, const char *config
     
     // Apply debug level from config
     if (config->global.debug_level[0]) {
-        debug_level_t level = DEBUG_LEVEL_INFO;
-        if (strcmp(config->global.debug_level, "error") == 0) level = DEBUG_LEVEL_ERROR;
-        else if (strcmp(config->global.debug_level, "warn") == 0) level = DEBUG_LEVEL_WARN;
-        else if (strcmp(config->global.debug_level, "info") == 0) level = DEBUG_LEVEL_INFO;
-        else if (strcmp(config->global.debug_level, "debug") == 0) level = DEBUG_LEVEL_DEBUG;
-        else if (strcmp(config->global.debug_level, "trace") == 0) level = DEBUG_LEVEL_TRACE;
-        debug_set_level(level);
-        DEBUG_INFO(DEBUG_CATEGORY_CONFIG, "Applied debug_level from config: %s", config->global.debug_level);
+        debug_apply_global_level(config->global.debug_level);
     }
     
     // Apply per-category debug levels from [debug] section
     for (int i = 0; i < config->global.debug_levels.count; i++) {
-        const char* cat_name = config->global.debug_levels.category[i];
-        const char* lvl_str = config->global.debug_levels.level[i];
-        
-        debug_category_t cat = get_category_by_name(cat_name);
-        if (cat != DEBUG_CATEGORY_NONE) {
-            debug_level_t lvl = DEBUG_LEVEL_NONE;
-            if (strcmp(lvl_str, "error") == 0) lvl = DEBUG_LEVEL_ERROR;
-            else if (strcmp(lvl_str, "warn") == 0) lvl = DEBUG_LEVEL_WARN;
-            else if (strcmp(lvl_str, "info") == 0) lvl = DEBUG_LEVEL_INFO;
-            else if (strcmp(lvl_str, "debug") == 0) lvl = DEBUG_LEVEL_DEBUG;
-            else if (strcmp(lvl_str, "trace") == 0) lvl = DEBUG_LEVEL_TRACE;
-            
-            debug_set_category_level(cat, lvl);
-            DEBUG_INFO(DEBUG_CATEGORY_CONFIG, "Applied per-category debug: %s=%s", cat_name, lvl_str);
-        }
+        debug_apply_category_config(
+            config->global.debug_levels.category[i],
+            config->global.debug_levels.level[i]
+        );
     }
     
     // Allocate instance