From 5eecd3ca21e4138447c8ef58dd7f3b55943b1a12 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@Moolenaar.net>
Date: Sat, 16 May 2009 21:15:08 +0000
Subject: [PATCH] [7.2.179] Using negative value for device number might not
 work.

Problem:    Using negative value for device number might not work.

Solution:   Use a separate flag for whether sn_dev was set.

Patch 7.2.179
---
 src/ex_cmds2.c | 8 +++++---
 src/version.c  | 2 ++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index bfa322d8..1108ab96 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -28,7 +28,8 @@ typedef struct scriptitem_S
 {
     char_u	*sn_name;
 # ifdef UNIX
-    int		sn_dev;
+    int		sn_dev_valid;
+    dev_t	sn_dev;
     ino_t	sn_ino;
 # endif
 # ifdef FEAT_PROFILE
@@ -3049,7 +3050,7 @@ do_source(fname, check_other, is_vimrc)
 		    /* Compare dev/ino when possible, it catches symbolic
 		     * links.  Also compare file names, the inode may change
 		     * when the file was edited. */
-		    ((stat_ok && si->sn_dev != -1)
+		    ((stat_ok && si->sn_dev_valid)
 			&& (si->sn_dev == st.st_dev
 			    && si->sn_ino == st.st_ino)) ||
 # endif
@@ -3076,11 +3077,12 @@ do_source(fname, check_other, is_vimrc)
 # ifdef UNIX
 	if (stat_ok)
 	{
+	    si->sn_dev_valid = TRUE;
 	    si->sn_dev = st.st_dev;
 	    si->sn_ino = st.st_ino;
 	}
 	else
-	    si->sn_dev = -1;
+	    si->sn_dev_valid = FALSE;
 # endif
 
 	/* Allocate the local script variables to use for this script. */
diff --git a/src/version.c b/src/version.c
index 1a7c803e..388065ed 100644
--- a/src/version.c
+++ b/src/version.c
@@ -677,6 +677,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    179,
+/**/
     178,
 /**/
     177,
-- 
2.11.4.GIT