Fix some pesky leaks, now close to leak free.

Co-authored-by: LeonHeidelbach <leon.heidelbach@hhu.de>

makefile

@@ -25,8 +25,16 @@ uninstall: clean
 profile: BUILD_FLAGS=-std=c99 -Wall -DDEBUG -g -Ofast -fvisibility=hidden 
 profile: clean $(x86_BINS)
 
-debug: BUILD_FLAGS=-std=c99 -Wall -DDEBUG -fsanitize=address -fsanitize=undefined -g -O0 -fvisibility=hidden
+leak: BUILD_FLAGS=-std=c99 -Wall -DDEBUG -g
+leak: clean $(ARM_BINS)
+	/usr/libexec/PlistBuddy -c "Add :com.apple.security.get-task-allow bool true" bin/tmp.entitlements
+	codesign -s - --entitlements bin/tmp.entitlements -f ./bin/sketchybar_arm
+	leaks -atExit -- ./bin/sketchybar_arm
+
+
+debug: BUILD_FLAGS=-std=c99 -Wall -DDEBUG -g -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer 
 debug: clean $(ARM_BINS)
+	./bin/sketchybar_arm
 
 update: clean $(UNIVERSAL_BINS)
 	rm /usr/local/bin/sketchybar

src/alias.c

@@ -181,6 +181,13 @@ void alias_draw(struct alias* alias, CGContextRef context) {
   CGContextDrawImage(context, alias->bounds, alias->image_ref);
 }
 
+void alias_destroy(struct alias* alias) {
+  CGImageRelease(alias->image_ref);
+  if (alias->data_ref) CFRelease(alias->data_ref);
+  if (alias->name) free(alias->name);
+  if (alias->owner) free(alias->owner);
+}
+
 void alias_calculate_bounds(struct alias* alias, uint32_t x, uint32_t y) {
   alias->bounds.origin.x = x;
   alias->bounds.origin.y = y - alias->bounds.size.height / 2;

src/alias.h

@@ -25,5 +25,6 @@ uint32_t alias_get_height(struct alias* alias);
 
 void alias_calculate_bounds(struct alias* alias, uint32_t x, uint32_t y);
 void alias_draw(struct alias* alias, CGContextRef context);
+void alias_destroy(struct alias* alias);
 
 #endif

src/bar_item.c

@@ -52,6 +52,7 @@ void bar_item_inherit_from_item(struct bar_item* bar_item, struct bar_item* ance
   bar_item_set_click_script(bar_item, string_copy(ancestor->click_script));
 
   if (bar_item->type == BAR_COMPONENT_SPACE) {
+    env_vars_set(&bar_item->signal_args.env_vars, string_copy("SELECTED"), string_copy("false"));
     env_vars_set(&bar_item->signal_args.env_vars, string_copy("SID"), string_copy(env_vars_get_value_for_key(&ancestor->signal_args.env_vars, "DID")));
     env_vars_set(&bar_item->signal_args.env_vars, string_copy("DID"), string_copy(env_vars_get_value_for_key(&ancestor->signal_args.env_vars, "DID")));
   }
@@ -97,8 +98,6 @@ void bar_item_init(struct bar_item* bar_item, struct bar_item* default_item) {
   popup_init(&bar_item->popup);
   
   if (default_item) bar_item_inherit_from_item(bar_item, default_item);
-
-  env_vars_set(&bar_item->signal_args.env_vars, string_copy("SELECTED"), string_copy("false"));
 }
 
 void bar_item_append_associated_space(struct bar_item* bar_item, uint32_t bit) {
@@ -183,7 +182,7 @@ void bar_item_clear_needs_update(struct bar_item* bar_item) {
 void bar_item_set_name(struct bar_item* bar_item, char* name) {
   if (!name) return;
   if (bar_item->name && strcmp(bar_item->name, name) == 0) { free(name); return; }
-  if (name != bar_item->name && !bar_item->name) free(bar_item->name);
+  if (name != bar_item->name && bar_item->name) free(bar_item->name);
   bar_item->name = name;
   env_vars_set(&bar_item->signal_args.env_vars, string_copy("NAME"), string_copy(name));
 }
@@ -198,6 +197,7 @@ void bar_item_set_type(struct bar_item* bar_item, char type) {
 
     bar_item->update_mask |= UPDATE_SPACE_CHANGE;
     bar_item->updates = false;
+    env_vars_set(&bar_item->signal_args.env_vars, string_copy("SELECTED"), string_copy("false"));
     env_vars_set(&bar_item->signal_args.env_vars, string_copy("SID"), string_copy("0"));
     env_vars_set(&bar_item->signal_args.env_vars, string_copy("DID"), string_copy("0"));
   }
@@ -220,17 +220,23 @@ void bar_item_set_type(struct bar_item* bar_item, char type) {
 void bar_item_set_script(struct bar_item* bar_item, char* script) {
   if (!script) return;
   if (bar_item->script && strcmp(bar_item->script, script) == 0) { free(script); return; }
-  if (script != bar_item->script && !bar_item->script) free(bar_item->script);
-  if (bar_item->cache_scripts && file_exists(resolve_path(script))) bar_item->script = read_file(resolve_path(script));
-  else bar_item->script = script;
+  if (script != bar_item->script && bar_item->script) free(bar_item->script);
+  char* path = resolve_path(script);
+  if (bar_item->cache_scripts && file_exists(path)) {
+    bar_item->script = read_file(path);
+  }
+  else bar_item->script = path;
 }
 
 void bar_item_set_click_script(struct bar_item* bar_item, char* script) {
   if (!script) return;
   if (bar_item->click_script && strcmp(bar_item->click_script, script) == 0) { free(script); return; }
-  if (script != bar_item->click_script && !bar_item->click_script) free(bar_item->click_script);
-  if (bar_item->cache_scripts && file_exists(resolve_path(script))) bar_item->click_script = read_file(resolve_path(script));
-  else bar_item->click_script = script;
+  if (script != bar_item->click_script && bar_item->click_script) free(bar_item->click_script);
+  char* path = resolve_path(script);
+  if (bar_item->cache_scripts && file_exists(path)) {
+    bar_item->click_script = read_file(path);
+  }
+  else bar_item->click_script = path;
 }
 
 void bar_item_set_drawing(struct bar_item* bar_item, bool state) {
@@ -370,8 +376,8 @@ void bar_item_draw(struct bar_item* bar_item, CGContextRef context) {
 
 void bar_item_destroy(struct bar_item* bar_item) {
   if (bar_item->name) free(bar_item->name);
-  if (bar_item->script && !bar_item->cache_scripts) free(bar_item->script);
-  if (bar_item->click_script && !bar_item->cache_scripts) free(bar_item->click_script);
+  if (bar_item->script) free(bar_item->script);
+  if (bar_item->click_script) free(bar_item->click_script);
 
   text_destroy(&bar_item->icon);
   text_destroy(&bar_item->label);
@@ -385,6 +391,9 @@ void bar_item_destroy(struct bar_item* bar_item) {
   if (bar_item->has_graph) {
     graph_destroy(&bar_item->graph);
   }
+  if (bar_item->has_alias) {
+    alias_destroy(&bar_item->alias);
+  }
   if (bar_item->group && bar_item->type == BAR_COMPONENT_GROUP) group_destroy(bar_item->group);
   else if (bar_item->group) group_remove_member(bar_item->group, bar_item);
   env_vars_destroy(&bar_item->signal_args.env_vars);

src/bar_manager.c

@@ -281,14 +281,6 @@ struct bar_item* bar_manager_create_item(struct bar_manager* bar_manager) {
   return bar_item;
 }
 
-void bar_manager_destroy_item(struct bar_manager* bar_manager, struct bar_item* bar_item) {
-  int index = bar_manager_get_item_index_by_address(bar_manager, bar_item);
-  memmove(bar_manager->bar_items + index, bar_manager->bar_items + index + 1, bar_manager->bar_item_count - index - 1);
-  bar_manager->bar_items = (struct bar_item**) realloc(bar_manager->bar_items, sizeof(struct bar_item*) * (bar_manager->bar_item_count - 1));
-  bar_manager->bar_item_count -= 1;
-  bar_item_destroy(bar_item);
-}
-
 void bar_manager_update_alias_components(struct bar_manager* bar_manager, bool forced) {
   for (int i = 0; i < bar_manager->bar_item_count; i++) {
     if ((!bar_item_is_shown(bar_manager->bar_items[i]) && !forced) || bar_manager->bar_items[i]->type != BAR_COMPONENT_ALIAS) continue;
@@ -435,6 +427,18 @@ void bar_manager_handle_notification(struct bar_manager* bar_manager, char* cont
   bar_manager_custom_events_trigger(bar_manager, name, NULL);
 }
 
+void bar_manager_destroy(struct bar_manager* bar_manager) {
+  for (int i = 0; i < bar_manager->bar_item_count; i++) {
+    bar_item_destroy(bar_manager->bar_items[i]);
+  }
+  if (bar_manager->bar_items) free(bar_manager->bar_items);
+  for (int i = 0; i < bar_manager->bar_count; i++) {
+    bar_destroy(bar_manager->bars[i]);
+  }
+  custom_events_destroy(&bar_manager->custom_events);
+  if (bar_manager->bars) free(bar_manager->bars);
+}
+
 void bar_manager_serialize(struct bar_manager* bar_manager, FILE* rsp) {
   fprintf(rsp, "{\n"
                "\t\"geometry\": {\n"

src/bar_manager.h

@@ -20,9 +20,9 @@ struct bar_manager {
   uint32_t window_level;
   CFRunLoopTimerRef refresh_timer;
   CFRunLoopTimerRef shell_refresh_timer;
-  struct bar **bars;
+  struct bar** bars;
   int bar_count;
-  struct bar_item **bar_items;
+  struct bar_item** bar_items;
   struct bar_item default_item;
   int bar_item_count;
   char position;
@@ -82,6 +82,7 @@ void bar_manager_handle_space_change(struct bar_manager* bar_manager);
 void bar_manager_handle_display_change(struct bar_manager* bar_manager);
 void bar_manager_handle_system_woke(struct bar_manager* bar_manager);
 void bar_manager_handle_system_will_sleep(struct bar_manager* bar_manager);
+void bar_manager_destroy(struct bar_manager* bar_manager);
 
 struct bar_item* bar_manager_get_item_by_point(struct bar_manager* bar_manager, CGPoint point, uint32_t sid);
 

src/custom_events.c

@@ -7,6 +7,12 @@ void custom_event_init(struct custom_event* custom_event, char* name, char* noti
   custom_event->notification = notification;
 }
 
+void custom_event_destroy(struct custom_event* custom_event) {
+  if (custom_event->name) free(custom_event->name);
+  if (custom_event->notification) free(custom_event->notification);
+  free(custom_event);
+}
+
 void custom_events_init(struct custom_events* custom_events) {
   custom_events->count = 0;
 
@@ -22,7 +28,11 @@ void custom_events_init(struct custom_events* custom_events) {
 }
 
 void custom_events_append(struct custom_events* custom_events, char* name, char* notification) {
-  if (custom_events_get_flag_for_name(custom_events, name) > 0) return;
+  if (custom_events_get_flag_for_name(custom_events, name) > 0) { 
+    if (name) free(name);
+    if (notification) free(notification);
+    return; 
+  }
   custom_events->count++;
   custom_events->events = (struct custom_event**) realloc(custom_events->events, sizeof(struct custom_event*) * custom_events->count);
   custom_events->events[custom_events->count - 1] = custom_event_create();
@@ -51,6 +61,13 @@ char* custom_events_get_name_for_notification(struct custom_events* custom_event
   return NULL;
 }
 
+void custom_events_destroy(struct custom_events* custom_events) {
+  for (int i = 0; i < custom_events->count; i++) {
+    custom_event_destroy(custom_events->events[i]);
+  }
+  free(custom_events->events);
+}
+
 void custom_events_serialize(struct custom_events* custom_events, FILE* rsp) {
   fprintf(rsp, "{\n");
   for (int i = 0; i < custom_events->count; i++) {

src/custom_events.h

@@ -27,5 +27,6 @@ void custom_events_init(struct custom_events* custom_events);
 void custom_events_append(struct custom_events* custom_events, char* name, char* notification);
 uint64_t custom_events_get_flag_for_name(struct custom_events* custom_events, char* name);
 char* custom_events_get_name_for_notification(struct custom_events* custom_events, char* notification);
+void custom_events_destroy(struct custom_events* custom_events);
 void custom_events_serialize(struct custom_events* custom_events, FILE* rsp);
 #endif

src/message.c

@@ -240,9 +240,9 @@ static void message_parse_set_message_for_bar_item(FILE* rsp, struct bar_item* b
     }
     needs_update = true;
   } else if (token_equals(property, PROPERTY_SCRIPT)) {
-    bar_item_set_script(bar_item, string_copy(message));
+    bar_item_set_script(bar_item, token_to_string(get_token(&message)));
   } else if (token_equals(property, PROPERTY_CLICK_SCRIPT)) {
-    bar_item_set_click_script(bar_item, string_copy(message));
+    bar_item_set_click_script(bar_item, token_to_string(get_token(&message)));
   } else if (token_equals(property, PROPERTY_UPDATE_FREQ)) {
     bar_item->update_frequency = token_to_uint32t(get_token(&message));
   } else if (token_equals(property, PROPERTY_POSITION)) {
@@ -617,6 +617,9 @@ void handle_message(int sockfd, char* message) {
       char* rbr_msg = get_batch_line(&message);
       handle_domain_rename(rsp, command, rbr_msg);
       free(rbr_msg);
+    } else if (token_equals(command, DOMAIN_EXIT)) {
+      bar_manager_destroy(&g_bar_manager);
+      exit(0);
     } else {
       char* rbr_msg = get_batch_line(&message);
       fprintf(rsp, "unknown domain %s\n", command.text);

src/message.h

@@ -27,6 +27,8 @@
 
 #define DOMAIN_SET                                          "--set"
 
+#define DOMAIN_EXIT                                         "--exit"
+
 #define SUB_DOMAIN_ICON                                     "icon"
 #define SUB_DOMAIN_LABEL                                    "label"
 #define SUB_DOMAIN_BACKGROUND                               "background"

src/misc/helpers.h

@@ -261,7 +261,8 @@ static inline char* read_file(char* path) {
   int len = lseek(fd, 0, SEEK_END);
   char* file = mmap(0, len, PROT_READ, MAP_PRIVATE, fd, 0);
   close(fd);
-  return file;
+  free(path);
+  return string_copy(file);
 }
 
 static inline char* resolve_path(char* path) {
@@ -269,6 +270,7 @@ static inline char* resolve_path(char* path) {
     char* home = getenv("HOME");
     char buf[256];
     snprintf(buf, sizeof(buf), "%s%s", home, &path[1]);
+    free(path);
     return string_copy(buf);
   }
   return path;

src/text.c

@@ -74,7 +74,7 @@ bool text_set_string(struct text* text, char* string, bool forced) {
     return false; 
   }
   if (text->line.line) text_destroy_line(text);
-  if (string != text->string && !text->string) free(text->string);
+  if (string != text->string && text->string) free(text->string);
   text->string = string;
   text_prepare_line(text);
   return true;
@@ -88,6 +88,7 @@ bool text_set_color(struct text* text, uint32_t color) {
 bool text_set_font(struct text* text, char* font_string, bool forced) {
   if (!font_string) return false;
   if (!forced && text->font_name && strcmp(text->font_name, font_string) == 0) { free(font_string); return false; }
+  if (font_string != text->font_name && text->font_name) free(text->font_name);
   if (text->font) CFRelease(text->font);
 
   text->font = text_create_font(font_string);