8 int scandir(const char *path, struct dirent ***res,
9 int (*sel)(const struct dirent *),
10 int (*cmp)(const struct dirent **, const struct dirent **))
12 DIR *d = opendir(path);
13 struct dirent *de, **names=0, **tmp;
15 int old_errno = errno;
19 while ((errno=0), (de = readdir(d))) {
20 if (sel && !sel(de)) continue;
23 if (len > SIZE_MAX/sizeof *names) break;
24 tmp = realloc(names, len * sizeof *names);
28 names[cnt] = malloc(de->d_reclen);
29 if (!names[cnt]) break;
30 memcpy(names[cnt++], de, de->d_reclen);
36 if (names) while (cnt-->0) free(names[cnt]);
42 if (cmp) qsort(names, cnt, sizeof *names, (int (*)(const void *, const void *))cmp);
47 weak_alias(scandir, scandir64);