+check_dbglvl(void)
+{
+ FILE *fp = fopen("/tmp/debug_level", "r");
+ int lvl = 0;
+
+ if (!fp)
+ return;
+ if (fscanf(fp, "%d", &lvl) == EOF)
+ ERROR("failed to read debug level\n");
+ fclose(fp);
+ unlink("/tmp/debug_level");
+
+ if (lvl > 0 && lvl < 5)
+ debug = lvl;
+}
+
+static void