From b2d33c5689340ba86fb839d243e96d50a525d129 Mon Sep 17 00:00:00 2001
From: Shannon Booth <shannon.ml.booth@gmail.com>
Date: Fri, 7 Jul 2023 00:29:31 +1200
Subject: [PATCH] LibFileSystem: Add FileSystem::is_regular_file

---
 .../Libraries/LibFileSystem/FileSystem.cpp     | 18 ++++++++++++++++++
 Userland/Libraries/LibFileSystem/FileSystem.h  |  3 +++
 2 files changed, 21 insertions(+)

diff --git a/Userland/Libraries/LibFileSystem/FileSystem.cpp b/Userland/Libraries/LibFileSystem/FileSystem.cpp
index 4a1d2774e2..059f1392c1 100644
--- a/Userland/Libraries/LibFileSystem/FileSystem.cpp
+++ b/Userland/Libraries/LibFileSystem/FileSystem.cpp
@@ -121,6 +121,24 @@ bool is_char_device(int fd)
     return S_ISCHR(st.st_mode);
 }
 
+bool is_regular_file(StringView path)
+{
+    auto st_or_error = Core::System::stat(path);
+    if (st_or_error.is_error())
+        return false;
+    auto st = st_or_error.release_value();
+    return S_ISREG(st.st_mode);
+}
+
+bool is_regular_file(int fd)
+{
+    auto st_or_error = Core::System::fstat(fd);
+    if (st_or_error.is_error())
+        return false;
+    auto st = st_or_error.release_value();
+    return S_ISREG(st.st_mode);
+}
+
 bool is_directory(StringView path)
 {
     auto st_or_error = Core::System::stat(path);
diff --git a/Userland/Libraries/LibFileSystem/FileSystem.h b/Userland/Libraries/LibFileSystem/FileSystem.h
index 46ac6f85fd..fd633c0f14 100644
--- a/Userland/Libraries/LibFileSystem/FileSystem.h
+++ b/Userland/Libraries/LibFileSystem/FileSystem.h
@@ -25,6 +25,9 @@ ErrorOr<String> real_path(StringView path);
 bool exists(StringView path);
 bool exists(int fd);
 
+bool is_regular_file(StringView path);
+bool is_regular_file(int fd);
+
 bool is_directory(StringView path);
 bool is_directory(int fd);