From 9b02a913118ac418f3ab9edd906f532dd236b757 Mon Sep 17 00:00:00 2001
From: rtldg <rtldg@protonmail.com>
Date: Sat, 30 Jul 2022 01:45:18 +0000
Subject: [PATCH] make rmrfdir use lstat() when d_type == DT_UNKNOWN

---
 libc/x/rmrf.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/libc/x/rmrf.c b/libc/x/rmrf.c
index b84d78191..249b5aa70 100644
--- a/libc/x/rmrf.c
+++ b/libc/x/rmrf.c
@@ -30,9 +30,11 @@
 #include "libc/x/x.h"
 
 static int rmrfdir(const char *dirpath) {
-  int rc;
+  int rc, err;
   DIR *d;
   char *path;
+  bool isdir;
+  struct stat st;
   struct dirent *e;
   if (!(d = opendir(dirpath))) return -1;
   while ((e = readdir(d))) {
@@ -40,11 +42,26 @@ static int rmrfdir(const char *dirpath) {
     if (!strcmp(e->d_name, "..")) continue;
     assert(!strchr(e->d_name, '/'));
     path = xjoinpaths(dirpath, e->d_name);
-    if (e->d_type == DT_DIR) {
+    if (e->d_type == DT_UNKNOWN) {
+      err = errno;
+      if ((rc = lstat(path, &st)) == -1) {
+        if (errno == ENOENT) {
+          errno = err;
+          rc = 0;
+        }
+        goto errcheck;
+      } else {
+        isdir = S_ISDIR(st.st_mode);
+      }
+    } else {
+      isdir = e->d_type == DT_DIR;
+    }
+    if (isdir) {
       rc = rmrfdir(path);
     } else {
       rc = unlink(path);
     }
+  errcheck:
     free(path);
     if (rc == -1) {
       closedir(d);