static void show_pid_array(pid_t pids[], unsigned n_pids, const char *prefix, unsigned n_columns, bool extra, bool more, bool kernel_threads, OutputFlags flags) {
unsigned i, j, pid_width;
- assert(n_pids > 0);
+ if (n_pids == 0)
+ return;
+
qsort(pids, n_pids, sizeof(pid_t), compare);
/* Filter duplicates */
if (r < 0)
return r;
- fn = strappenda(p, "/cgroup.procs");
+ fn = strjoina(p, "/cgroup.procs");
f = fopen(fn, "re");
if (!f)
return -errno;
if (r < 0)
return r;
- if (n > 0)
- show_pid_array(pids, n, prefix, n_columns, false, more, kernel_threads, flags);
+ show_pid_array(pids, n, prefix, n_columns, false, more, kernel_threads, flags);
return 0;
}