From e49a8e4db92bf8b92f5fa6a13b7c17837c1762de Mon Sep 17 00:00:00 2001
From: Edward O'Callaghan <eocallaghan@auroraux.org>
Date: Wed, 25 Nov 2009 06:32:19 +0000
Subject: [PATCH] API change Path::isSpecialFile to Path::isRegularFile,
 improve semantics in regards to comments from 89765 post review.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89848 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/System/Path.h |  8 +++++---
 lib/System/Unix/Path.inc   | 10 +++++-----
 lib/System/Win32/Path.inc  |  6 ++++--
 3 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/include/llvm/System/Path.h b/include/llvm/System/Path.h
index 04dba1db3e2..7edd5c08207 100644
--- a/include/llvm/System/Path.h
+++ b/include/llvm/System/Path.h
@@ -380,10 +380,12 @@ namespace sys {
       /// in the file system.
       bool canWrite() const;
 
-      /// This function checks that what we're trying to work only on a regular file or directory.
-      /// Check for things like /dev/null, any block special file,
+      /// This function checks that what we're trying to work only on a regular file
+      /// or directory. Check for things like /dev/null, any block special file,
       /// or other things that aren't "regular" regular files or directories.
-      bool isSpecialFile() const;
+      /// @returns true if the file is S_ISREG.
+      /// @brief Determines if the file is a regular file
+      bool isRegularFile() const;
 
       /// This function determines if the path name references an executable
       /// file in the file system. This function checks for the existence and
diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc
index 8dd76a74128..4300d6719b3 100644
--- a/lib/System/Unix/Path.inc
+++ b/lib/System/Unix/Path.inc
@@ -454,17 +454,17 @@ Path::canWrite() const {
 }
 
 bool
-Path::isSpecialFile() const {
+Path::isRegularFile() const {
   // Get the status so we can determine if its a file or directory
   struct stat buf;
 
   if (0 != stat(path.c_str(), &buf))
-    return true;
-
-  if (S_ISDIR(buf.st_mode) || S_ISREG(buf.st_mode))
     return false;
 
-  return true;
+  if (S_ISREG(buf.st_mode))
+    return true;
+
+  return false;
 }
 
 bool
diff --git a/lib/System/Win32/Path.inc b/lib/System/Win32/Path.inc
index 9adeca24103..634fbc7650b 100644
--- a/lib/System/Win32/Path.inc
+++ b/lib/System/Win32/Path.inc
@@ -358,8 +358,10 @@ Path::canExecute() const {
 }
 
 bool
-Path::isSpecialFile() const {
-  return false;
+Path::isRegularFile() const {
+  if (isDirectory())
+    return false;
+  return true;
 }
 
 std::string
-- 
2.34.1