static int process(const char *controller, const char *path, Hashmap *a, Hashmap *b, unsigned iteration) {
Group *g;
int r;
- FILE *f;
+ FILE *f = NULL;
pid_t pid;
unsigned n;
" -d --delay=DELAY Delay between updates\n"
" -n --iterations=N Run for N iterations before exiting\n"
" -b --batch Run in batch mode, accepting no input\n"
- " --depth=DEPTH Maximum traversal depth (default: %d)\n",
+ " --depth=DEPTH Maximum traversal depth (default: %u)\n",
program_invocation_short_name, arg_depth);
return 0;