commit a73c8e052dcb2931e6f6d5cc6606496ac6764bdb
author Mahdi Hosseini <seyed.mahdi.hosseini.moghaddam@ibm.com> Mon Nov 16 22:13:53 2020
committer Adam Cozzette <acozzette@google.com> Tue Nov 17 22:17:08 2020
tree 43953b04b16006224c94993be69d93cbdb9230de
parent 0321358204bf7676a365b48b76a23e41259a56c7

Fix detecting file as directory on zOS issue #8051

src/google/protobuf/compiler/importer.cc

diff --git a/src/google/protobuf/compiler/importer.cc b/src/google/protobuf/compiler/importer.cc
index 1ff8aad..c6a8d1e 100644
--- a/src/google/protobuf/compiler/importer.cc
+++ b/src/google/protobuf/compiler/importer.cc
@@ -495,7 +495,7 @@
   do {
     ret = stat(filename.c_str(), &sb);
   } while (ret != 0 && errno == EINTR);
-  if (ret == 0 && sb.st_mode & S_IFDIR) {
+  if (ret == 0 && S_ISDIR(sb.st_mode)) {
     last_error_message_ = "Input file is a directory.";
     return NULL;
   }