From 9dde47f5798a73946d3f78da2e0daff23457ea31 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Wed, 27 Aug 1997 20:01:05 +0000
Subject: [PATCH] Include errno.h. (init_buffer) [HAVE_GETCWD]: Fix error
 message for getcwd failure.

---
 src/buffer.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/buffer.c b/src/buffer.c
index 2b4c18fa189..47b4f150363 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -23,6 +23,9 @@ Boston, MA 02111-1307, USA.  */
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/param.h>
+#include <errno.h>
+
+extern int errno;
 
 #ifndef MAXPATHLEN
 /* in 4.1, param.h fails to define this. */
@@ -3708,7 +3711,7 @@ init_buffer ()
     strcpy (buf, pwd);
 #ifdef HAVE_GETCWD
   else if (getcwd (buf, MAXPATHLEN+1) == 0)
-    fatal ("`getcwd' failed: %s\n", buf);
+    fatal ("`getcwd' failed: %s\n", strerror (errno));
 #else
   else if (getwd (buf) == 0)
     fatal ("`getwd' failed: %s\n", buf);
-- 
2.39.2