From dddf134a3cea47a2ab2ad7ede189d1fe29be7211 Mon Sep 17 00:00:00 2001
From: Edward O'Callaghan <eocallaghan@auroraux.org>
Date: Tue, 24 Nov 2009 15:19:10 +0000
Subject: Provide Path::isSpecialFile interface for PR5568.

llvm-svn: 89765
---
 llvm/lib/System/Unix/Path.inc | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/System/Unix/Path.inc')

diff --git a/llvm/lib/System/Unix/Path.inc b/llvm/lib/System/Unix/Path.inc
index 89285b48132..d134aaa79b3 100644
--- a/llvm/lib/System/Unix/Path.inc
+++ b/llvm/lib/System/Unix/Path.inc
@@ -335,7 +335,7 @@ getprogpath(char ret[PATH_MAX], const char *bin)
   free(pv);
   return (NULL);
 }
-#endif
+#endif // __FreeBSD__
 
 /// GetMainExecutable - Return the path to the main executable, given the
 /// value of argv[0] from program startup.
@@ -453,6 +453,24 @@ Path::canWrite() const {
   return 0 == access(path.c_str(), W_OK);
 }
 
+bool
+Path::isSpecialFile() const {
+  // Get the status so we can determine if its a file or directory
+  struct stat buf;
+  std::string *ErrStr;
+
+  if (0 != stat(path.c_str(), &buf)) {
+    MakeErrMsg(ErrStr, path + ": can't get status of file");
+    return true;
+  }
+
+  if (S_ISDIR(buf.st_mode) || S_ISREG(buf.st_mode)) {
+    return false;
+  }
+
+  return true;
+}
+
 bool
 Path::canExecute() const {
   if (0 != access(path.c_str(), R_OK | X_OK ))
@@ -723,7 +741,7 @@ Path::createTemporaryFileOnDisk(bool reuse_current, std::string* ErrMsg) {
 
 bool
 Path::eraseFromDisk(bool remove_contents, std::string *ErrStr) const {
-  // Get the status so we can determin if its a file or directory
+  // Get the status so we can determine if its a file or directory
   struct stat buf;
   if (0 != stat(path.c_str(), &buf)) {
     MakeErrMsg(ErrStr, path + ": can't get status of file");
-- 
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