-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
SD_BUS_ERROR_MAP_END
};
-/* GCC maps this magically to the beginning and end of the BUS_ERROR_MAP section.
- * Hide them; for currently unknown reasons they get exported to the shared libries
- * even without being listed in the sym file. */
-extern const sd_bus_error_map __start_BUS_ERROR_MAP[] _hidden_;
-extern const sd_bus_error_map __stop_BUS_ERROR_MAP[] _hidden_;
+/* GCC maps this magically to the beginning and end of the BUS_ERROR_MAP section */
+extern const sd_bus_error_map __start_BUS_ERROR_MAP[];
+extern const sd_bus_error_map __stop_BUS_ERROR_MAP[];
/* Additional maps registered with sd_bus_error_add_map() are in this
* NULL terminated array */
return strerror(error);
}
+static bool map_ok(const sd_bus_error_map *map) {
+ for (; map->code != BUS_ERROR_MAP_END_MARKER; map++)
+ if (!map->name || map->code <=0)
+ return false;
+ return true;
+}
+
_public_ int sd_bus_error_add_map(const sd_bus_error_map *map) {
const sd_bus_error_map **maps = NULL;
unsigned n = 0;
assert_return(map, -EINVAL);
+ assert_return(map_ok(map), -EINVAL);
- if (additional_error_maps) {
- for (;; n++) {
- if (additional_error_maps[n] == NULL)
- break;
-
+ if (additional_error_maps)
+ for (; additional_error_maps[n] != NULL; n++)
if (additional_error_maps[n] == map)
return 0;
- }
- }
maps = realloc_multiply(additional_error_maps, sizeof(struct sd_bus_error_map*), n + 2);
if (!maps)
return -ENOMEM;
-
maps[n] = map;
maps[n+1] = NULL;