From 82cab378652c1d1601545a80b7241090c55b1e37 Mon Sep 17 00:00:00 2001
From: Markos Chandras <markos.chandras@imgtec.com>
Date: Wed, 10 Oct 2012 13:41:18 +0100
Subject: chmod: Use fchmodat if arch does not have the chmod syscall

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
 libc/sysdeps/linux/common/chmod.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'libc/sysdeps/linux/common/chmod.c')

diff --git a/libc/sysdeps/linux/common/chmod.c b/libc/sysdeps/linux/common/chmod.c
index 871e0233d..494ec666a 100644
--- a/libc/sysdeps/linux/common/chmod.c
+++ b/libc/sysdeps/linux/common/chmod.c
@@ -9,13 +9,22 @@
 
 #include <sys/syscall.h>
 #include <sys/stat.h>
+#include <unistd.h>
 
+#if defined __NR_fchmodat && !defined __NR_chmod
+# include <fcntl.h>
+int chmod(const char *path, mode_t mode)
+{
+	return fchmodat(AT_FDCWD, path, mode, 0);
+}
 
-#define __NR___syscall_chmod __NR_chmod
+#else
+# define __NR___syscall_chmod __NR_chmod
 static __inline__ _syscall2(int, __syscall_chmod, const char *, path, __kernel_mode_t, mode)
 
 int chmod(const char *path, mode_t mode)
 {
 	return __syscall_chmod(path, mode);
 }
+#endif
 libc_hidden_def(chmod)
-- 
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