From 6eb9ebec5f2c8dcc937ee048dcede2d4a15c1f8f Mon Sep 17 00:00:00 2001
From: Andrew Kaster <akaster@serenityos.org>
Date: Tue, 14 Jun 2022 18:54:49 -0600
Subject: [PATCH] LibC: Stop leaking FILE* from use of getgrnam and getgrgid

---
 Userland/Libraries/LibC/grp.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Userland/Libraries/LibC/grp.cpp b/Userland/Libraries/LibC/grp.cpp
index 676be6b1c3..94ad2b2634 100644
--- a/Userland/Libraries/LibC/grp.cpp
+++ b/Userland/Libraries/LibC/grp.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/ScopeGuard.h>
 #include <AK/String.h>
 #include <AK/Vector.h>
 #include <errno.h>
@@ -58,6 +59,7 @@ void endgrent()
 struct group* getgrgid(gid_t gid)
 {
     setgrent();
+    ScopeGuard guard = [] { endgrent(); };
     while (auto* gr = getgrent()) {
         if (gr->gr_gid == gid)
             return gr;
@@ -68,6 +70,7 @@ struct group* getgrgid(gid_t gid)
 struct group* getgrnam(char const* name)
 {
     setgrent();
+    ScopeGuard guard = [] { endgrent(); };
     while (auto* gr = getgrent()) {
         if (!strcmp(gr->gr_name, name))
             return gr;