Provide Path::isSpecialFile interface for PR5568.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89765 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/System/Path.h b/include/llvm/System/Path.h
index 3b73a12..19684d3 100644
--- a/include/llvm/System/Path.h
+++ b/include/llvm/System/Path.h
@@ -380,6 +380,11 @@
/// in the file system.
bool canWrite() const;
+ /// This function checks that what we're trying to work only on a regular file or Dir.
+ /// Check for things like /dev/null, any block special file,
+ /// or other things that aren't "regular" files.
+ bool isSpecialFile() const;
+
/// This function determines if the path name references an executable
/// file in the file system. This function checks for the existence and
/// executability (by the current program) of the file.
diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc
index 89285b4..d134aaa 100644
--- a/lib/System/Unix/Path.inc
+++ b/lib/System/Unix/Path.inc
@@ -335,7 +335,7 @@
free(pv);
return (NULL);
}
-#endif
+#endif // __FreeBSD__
/// GetMainExecutable - Return the path to the main executable, given the
/// value of argv[0] from program startup.
@@ -454,6 +454,24 @@
}
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 ))
return false;
@@ -723,7 +741,7 @@
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");
diff --git a/lib/System/Win32/Path.inc b/lib/System/Win32/Path.inc
index 573369e..9adeca2 100644
--- a/lib/System/Win32/Path.inc
+++ b/lib/System/Win32/Path.inc
@@ -357,6 +357,11 @@
return attr != INVALID_FILE_ATTRIBUTES;
}
+bool
+Path::isSpecialFile() const {
+ return false;
+}
+
std::string
Path::getLast() const {
// Find the last slash