Index: fusl/src/dirent/scandir.c |
diff --git a/fusl/src/dirent/scandir.c b/fusl/src/dirent/scandir.c |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3af2b50f81920aeba1fa2731b44cf8aa19fa5140 |
--- /dev/null |
+++ b/fusl/src/dirent/scandir.c |
@@ -0,0 +1,48 @@ |
+#include <dirent.h> |
+#include <string.h> |
+#include <stdlib.h> |
+#include <stdint.h> |
+#include <errno.h> |
+#include <stddef.h> |
+#include "libc.h" |
+ |
+int scandir(const char *path, struct dirent ***res, |
+ int (*sel)(const struct dirent *), |
+ int (*cmp)(const struct dirent **, const struct dirent **)) |
+{ |
+ DIR *d = opendir(path); |
+ struct dirent *de, **names=0, **tmp; |
+ size_t cnt=0, len=0; |
+ int old_errno = errno; |
+ |
+ if (!d) return -1; |
+ |
+ while ((errno=0), (de = readdir(d))) { |
+ if (sel && !sel(de)) continue; |
+ if (cnt >= len) { |
+ len = 2*len+1; |
+ if (len > SIZE_MAX/sizeof *names) break; |
+ tmp = realloc(names, len * sizeof *names); |
+ if (!tmp) break; |
+ names = tmp; |
+ } |
+ names[cnt] = malloc(de->d_reclen); |
+ if (!names[cnt]) break; |
+ memcpy(names[cnt++], de, de->d_reclen); |
+ } |
+ |
+ closedir(d); |
+ |
+ if (errno) { |
+ if (names) while (cnt-->0) free(names[cnt]); |
+ free(names); |
+ return -1; |
+ } |
+ errno = old_errno; |
+ |
+ if (cmp) qsort(names, cnt, sizeof *names, (int (*)(const void *, const void *))cmp); |
+ *res = names; |
+ return cnt; |
+} |
+ |
+LFS64(scandir); |