- l = strlen(dir) + 1 + strlen(pfx) + 3*(sizeof(int)*3+2) + 1;
- s = malloc(l);
- if (!s) return s;
-
- do {
- clock_gettime(CLOCK_REALTIME, &ts);
- n = ts.tv_nsec ^ (unsigned)&s ^ (unsigned)s;
- snprintf(s, l, "%s/%s-%d-%d-%x", dir, pfx, pid, a_fetch_add(&index, 1), n);
- } while (!access(s, F_OK) && try++<MAXTRIES);
- if (try>=MAXTRIES) {
- free(s);