More long path name support on Windows, this time in program execution.
Allows long paths for the executable and redirected stdin/stdout/stderr.
Addresses PR21563.
llvm-svn: 222671
diff --git a/llvm/lib/Support/Windows/Path.inc b/llvm/lib/Support/Windows/Path.inc
index 365031c..adb9a60 100644
--- a/llvm/lib/Support/Windows/Path.inc
+++ b/llvm/lib/Support/Windows/Path.inc
@@ -44,6 +44,7 @@
using llvm::sys::windows::UTF8ToUTF16;
using llvm::sys::windows::UTF16ToUTF8;
+using llvm::sys::path::widenPath;
static std::error_code windows_error(DWORD E) {
return mapWindowsError(E);
@@ -59,11 +60,15 @@
}
}
+namespace llvm {
+namespace sys {
+namespace path {
+
// Convert a UTF-8 path to UTF-16. Also, if the absolute equivalent of the
// path is longer than CreateDirectory can tolerate, make it absolute and
// prefixed by '\\?\'.
-static std::error_code widenPath(const Twine &Path8,
- SmallVectorImpl<wchar_t> &Path16) {
+std::error_code widenPath(const Twine &Path8,
+ SmallVectorImpl<wchar_t> &Path16) {
const size_t MaxDirLen = MAX_PATH - 12; // Must leave room for 8.3 filename.
// Several operations would convert Path8 to SmallString; more efficient to
@@ -111,9 +116,8 @@
// Just use the caller's original path.
return UTF8ToUTF16(Path8Str, Path16);
}
+} // end namespace path
-namespace llvm {
-namespace sys {
namespace fs {
std::string getMainExecutable(const char *argv0, void *MainExecAddr) {