[llvm-commits] [llvm] r120790 - in /llvm/trunk/lib/Support: PathV2.cpp Unix/PathV2.inc Windows/PathV2.inc

[Michael J. Spencer]

Author: mspencer
Date: Thu Dec  2 23:42:11 2010
New Revision: 120790

URL: http://llvm.org/viewvc/llvm-project?rev=120790&view=rev
Log:
Support/FileSystem: Add create_director{y,ies} implementations.

Modified:
    llvm/trunk/lib/Support/PathV2.cpp
    llvm/trunk/lib/Support/Unix/PathV2.inc
    llvm/trunk/lib/Support/Windows/PathV2.inc

Modified: llvm/trunk/lib/Support/PathV2.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/PathV2.cpp?rev=120790&r1=120789&r2=120790&view=diff
==============================================================================
--- llvm/trunk/lib/Support/PathV2.cpp (original)
+++ llvm/trunk/lib/Support/PathV2.cpp Thu Dec  2 23:42:11 2010
@@ -671,6 +671,21 @@
 
 namespace fs {
 
+error_code create_directories(const Twine &path, bool &existed) {
+  SmallString<128> path_storage;
+  StringRef p = path.toStringRef(path_storage);
+
+  StringRef parent;
+  bool parent_exists;
+  if (error_code ec = path::parent_path(p, parent)) return ec;
+  if (error_code ec = fs::exists(parent, parent_exists)) return ec;
+
+  if (!parent_exists)
+    return create_directories(parent, existed);
+
+  return create_directory(p, existed);
+}
+
 } // end namespace fs
 } // end namespace sys
 } // end namespace llvm

Modified: llvm/trunk/lib/Support/Unix/PathV2.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/PathV2.inc?rev=120790&r1=120789&r2=120790&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Unix/PathV2.inc (original)
+++ llvm/trunk/lib/Support/Unix/PathV2.inc Thu Dec  2 23:42:11 2010
@@ -146,6 +146,20 @@
   return make_error_code(errc::success);
 }
 
+error_code create_directory(const Twine &path, bool &existed) {
+  SmallString<128> path_storage;
+  StringRef p = path.toNullTerminatedStringRef(path_storage);
+
+  if (::mkdir(p.begin(), 0700) == -1) {
+    if (errno != EEXIST)
+      return error_code(errno, system_category());
+    existed = true;
+  } else
+    existed = false;
+
+  return make_error_code(errc::success);
+}
+
 error_code exists(const Twine &path, bool &result) {
   SmallString<128> path_storage;
   StringRef p = path.toNullTerminatedStringRef(path_storage);

Modified: llvm/trunk/lib/Support/Windows/PathV2.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Windows/PathV2.inc?rev=120790&r1=120789&r2=120790&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Windows/PathV2.inc (original)
+++ llvm/trunk/lib/Support/Windows/PathV2.inc Thu Dec  2 23:42:11 2010
@@ -181,6 +181,26 @@
   return make_error_code(errc::success);
 }
 
+error_code create_directory(const Twine &path, bool &existed) {
+  SmallString<128> path_storage;
+  SmallVector<wchar_t, 128> path_utf16;
+
+  if (error_code ec = UTF8ToUTF16(path.toStringRef(path_storage),
+                                  path_utf16))
+    return ec;
+
+  if (!::CreateDirectoryW(path_utf16.begin(), NULL)) {
+    error_code ec = make_error_code(windows_error(::GetLastError()));
+    if (ec == make_error_code(windows_error::already_exists))
+      existed = true;
+    else
+      return ec;
+  } else
+    existed = false;
+
+  return make_error_code(errc::success);
+}
+
 error_code exists(const Twine &path, bool &result) {
   SmallString<128> path_storage;
   SmallVector<wchar_t, 128> path_utf16;