Update to upstream bash 4.2

This upgrades bash to from 4.1-rc to 4.2-release. See CWRU/changelog for
changes.

Change-Id: I926269c300cf44fa25964b5b375a148fcf11c4b7

1 files changed, 9 insertions, 0 deletions

diff --git a/findcmd.c b/findcmd.c
index 557f8b5..330e395 100644
--- a/findcmd.c
+++ b/findcmd.c
@@ -32,6 +32,7 @@
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>
 #endif
+#include <errno.h>
 
 #include "bashansi.h"
 
@@ -43,6 +44,10 @@
 #include "hashcmd.h"
 #include "findcmd.h"	/* matching prototypes and declarations */
 
+#if !defined (errno)
+extern int errno;
+#endif
+
 extern int posixly_correct;
 
 /* Static functions defined and used in this file. */
@@ -172,6 +177,10 @@ executable_file (file)
   int s;
 
   s = file_status (file);
+#if defined EISDIR
+  if (s & FS_DIRECTORY)
+    errno = EISDIR;	/* let's see if we can improve error messages */
+#endif
   return ((s & FS_EXECABLE) && ((s & FS_DIRECTORY) == 0));
 }