win32.c: ELOOP by _wopen

* win32/win32.c (rb_w32_wopen): map the exact error for ELOOP when
  EINVAL is returned by _wopen of vc runtime.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51688 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 1 deletions

diff --git a/win32/win32.c b/win32/win32.c
index 84b574ff3c..a9598e1a94 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -5970,7 +5970,16 @@ rb_w32_wopen(const WCHAR *file, int oflag, ...)
 	pmode = va_arg(arg, int);
 	va_end(arg);
 	fd = _wopen(file, oflag, pmode);
-	if (fd == -1 && errno == EACCES) check_if_wdir(file);
+	if (fd == -1) {
+	    switch (errno) {
+	      case EACCES:
+		check_if_wdir(file);
+		break;
+	      case EINVAL:
+		errno = map_errno(GetLastError());
+		break;
+	    }
+	}
 	return fd;
     }