io_win32_unittest: fix condition in GetCwdAsUtf8

eb3bd6ec · Laszlo Csomor · 3f1b1a6d · eb3bd6ec
Commit eb3bd6ec authored Dec 01, 2017 by Laszlo Csomor
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io_win32_unittest.cc src/google/protobuf/stubs/io_win32_unittest.cc +1 -1

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--- a/src/google/protobuf/stubs/io_win32_unittest.cc
+++ b/src/google/protobuf/stubs/io_win32_unittest.cc
@@ -130,7 +130,7 @@ bool GetEnvVarAsUtf8(const WCHAR* name, string* result) {

 bool GetCwdAsUtf8(string* result) {
  DWORD size = ::GetCurrentDirectoryW(0, NULL);
-  if (size == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
+  if (size > 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
    scoped_array<WCHAR> wcs(new WCHAR[size]);
    ::GetCurrentDirectoryW(size, wcs.get());
    // GetCurrentDirectoryA retrieves an Active-Code-Page-encoded text which