From 78eba1271f194b4ce2bd57d886a483702c38ee51 Mon Sep 17 00:00:00 2001
From: Kenneth Myhra <kennethmyhra@gmail.com>
Date: Wed, 11 Aug 2021 19:10:05 +0200
Subject: [PATCH] LibC: Add function fdopendir

This adds the function fdopendir and refactors opendir so that opendir
just opens a file descriptor and passes the file descriptor onto
fdopendir.
---
 Userland/Libraries/LibC/dirent.cpp | 7 +++++++
 Userland/Libraries/LibC/dirent.h   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/Userland/Libraries/LibC/dirent.cpp b/Userland/Libraries/LibC/dirent.cpp
index 7475d22519..3447b9d370 100644
--- a/Userland/Libraries/LibC/dirent.cpp
+++ b/Userland/Libraries/LibC/dirent.cpp
@@ -24,6 +24,13 @@ extern "C" {
 DIR* opendir(const char* name)
 {
     int fd = open(name, O_RDONLY | O_DIRECTORY);
+    if (fd == -1)
+        return nullptr;
+    return fdopendir(fd);
+}
+
+DIR* fdopendir(int fd)
+{
     if (fd == -1)
         return nullptr;
     DIR* dirp = (DIR*)malloc(sizeof(DIR));
diff --git a/Userland/Libraries/LibC/dirent.h b/Userland/Libraries/LibC/dirent.h
index e78114bb6d..1e3f8534cc 100644
--- a/Userland/Libraries/LibC/dirent.h
+++ b/Userland/Libraries/LibC/dirent.h
@@ -27,6 +27,7 @@ struct __DIR {
 };
 typedef struct __DIR DIR;
 
+DIR* fdopendir(int fd);
 DIR* opendir(const char* name);
 int closedir(DIR*);
 void rewinddir(DIR*);