From 8ee939ea9f395f95357612d64d9be8e9a6529e46 Mon Sep 17 00:00:00 2001
From: Jeff Johnston <jjohnstn@redhat.com>
Date: Wed, 19 Nov 2008 20:56:22 +0000
Subject: 2008-11-19  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/sys/linux/bits/dirent.h: New header file.
        * libc/sys/linux/sys/dirent.h: Include <bits/dirent.h> instead of
        <linux/dirent.h>.
        * libc/posix/Makefile.am: Remove reallocf.
        * libc/posix/Makefile.in: Regenerated.
        * libc/posix/reallocf.c: Moved to...
        * libc/stdlib/reallocf.c: Here
        * libc/stdlib/malloc.c: Add reallocf documentation.
        * libc/include/stdlib.h: Add reallocf and _reallocf_r prototypes.
        * libc/stdlib/Makefile.am: Add reallocf.
        * libc/stdlib/Makefile.in: Regenerated.
        * libc/posix/_isatty.c: Set errno.
---
 newlib/libc/posix/_isatty.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'newlib/libc/posix/_isatty.c')

diff --git a/newlib/libc/posix/_isatty.c b/newlib/libc/posix/_isatty.c
index 7260211ef..7d6ccae7c 100644
--- a/newlib/libc/posix/_isatty.c
+++ b/newlib/libc/posix/_isatty.c
@@ -3,15 +3,19 @@
 /* Dumb implementation so programs will at least run.  */
 
 #include <sys/stat.h>
+#include <errno.h>
 
 int
 _DEFUN(_isatty, (fd), int fd)
 {
   struct stat buf;
 
-  if (fstat (fd, &buf) < 0)
+  if (fstat (fd, &buf) < 0) {
+    errno = EBADF;
     return 0;
+  }
   if (S_ISCHR (buf.st_mode))
     return 1;
+  errno = ENOTTY;
   return 0;
 }
-- 
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