From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 15 Aug 2017 01:16:04 +0000 (-0700)
Subject: Improve rename-file port to macOS
X-Git-Tag: emacs-26.0.90~459
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=97460582e2d0052f27d342ddb90309dc3da700b8;p=emacs.git

Improve rename-file port to macOS

* src/fileio.c (Frename_file): On macOS, renameat_noreplace can
fail with errno == ENOTSUP on file systems where it is not
supported, according to the Apple documentation.
---

diff --git a/src/fileio.c b/src/fileio.c
index 9f6de5b6ca7..e557483ac4a 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2297,7 +2297,7 @@ This is what happens in interactive use with M-x.  */)
       rename_errno = errno;
       switch (rename_errno)
 	{
-	case EEXIST: case EINVAL: case ENOSYS:
+	case EEXIST: case EINVAL: case ENOSYS: case ENOTSUP:
 	  barf_or_query_if_file_exists (newname, rename_errno == EEXIST,
 					"rename to it",
 					INTEGERP (ok_if_already_exists),