From: Eli Zaretskii <eliz@gnu.org>
Date: Tue, 29 Sep 2020 15:21:23 +0000 (+0300)
Subject: Don't signal an error when saving files on WdebDAV volumes
X-Git-Tag: emacs-27.1.90~128
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=90e5549f027f01c16f6f34e55c33d8a549fb32e7;p=emacs.git

Don't signal an error when saving files on WdebDAV volumes

* src/w32.c (acl_get_file): If get_file_security raises the
ERROR_ACCESS_DENIED error, treat that like unsupported ACLs.
---

diff --git a/src/w32.c b/src/w32.c
index 78e75f0937e..6fed5ba8d3d 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -6399,7 +6399,8 @@ acl_get_file (const char *fname, acl_type_t type)
 		{
 		  xfree (psd);
 		  err = GetLastError ();
-		  if (err == ERROR_NOT_SUPPORTED)
+		  if (err == ERROR_NOT_SUPPORTED
+		      || err == ERROR_ACCESS_DENIED)
 		    errno = ENOTSUP;
 		  else if (err == ERROR_FILE_NOT_FOUND
 			   || err == ERROR_PATH_NOT_FOUND
@@ -6417,7 +6418,11 @@ acl_get_file (const char *fname, acl_type_t type)
 		      be encoded in the current ANSI codepage. */
 		   || err == ERROR_INVALID_NAME)
 	    errno = ENOENT;
-	  else if (err == ERROR_NOT_SUPPORTED)
+	  else if (err == ERROR_NOT_SUPPORTED
+		   /* ERROR_ACCESS_DENIED is what we get for a volume
+		      mounted by WebDAV, which evidently doesn't
+		      support ACLs.  */
+		   || err == ERROR_ACCESS_DENIED)
 	    errno = ENOTSUP;
 	  else
 	    errno = EIO;