namespace llvm {
namespace sys {
-namespace path {
+namespace fs {
error_code current_path(SmallVectorImpl<char> &result) {
- long size = ::pathconf(".", _PC_PATH_MAX);
- result.reserve(size + 1);
- result.set_size(size + 1);
-
- if (::getcwd(result.data(), result.size()) == 0)
- return error_code(errno, system_category());
+ result.reserve(MAXPATHLEN);
+
+ while (true) {
+ if (::getcwd(result.data(), result.capacity()) == 0) {
+ // See if there was a real error.
+ if (errno != errc::not_enough_memory)
+ return error_code(errno, system_category());
+ // Otherwise there just wasn't enough space.
+ result.reserve(result.capacity() * 2);
+ } else
+ break;
+ }
result.set_size(strlen(result.data()));
return success;
}
-} // end namespace path
-
-namespace fs{
-
error_code copy_file(const Twine &from, const Twine &to, copy_option copt) {
// Get arguments.
SmallString<128> from_storage;