-extern void opkg_message(opkg_conf_t *conf, message_level_t level, char *fmt, ...);
+void free_error_list(void);
+void print_error_list(void);
+void opkg_message(message_level_t level, const char *fmt, ...);
+
+#define opkg_msg(l, fmt, args...) \
+ do { \
+ if (l == NOTICE) \
+ opkg_message(l, fmt, ##args); \
+ else \
+ opkg_message(l, "%s: "fmt, __FUNCTION__, ##args); \
+ } while (0)
+
+#define opkg_perror(l, fmt, args...) \
+ opkg_msg(l, fmt": %s.\n", ##args, strerror(errno))