[PATCH 10/46] rename: Use renameat if arch does not have the rename syscall

Markos Chandras markos.chandras at gmail.com
Tue Nov 13 11:31:19 UTC 2012


From: Markos Chandras <markos.chandras at imgtec.com>

Signed-off-by: Markos Chandras <markos.chandras at imgtec.com>
---
 libc/sysdeps/linux/common/rename.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/libc/sysdeps/linux/common/rename.c b/libc/sysdeps/linux/common/rename.c
index 9d8397a..05f1411 100644
--- a/libc/sysdeps/linux/common/rename.c
+++ b/libc/sysdeps/linux/common/rename.c
@@ -8,11 +8,18 @@
  */
 
 #include <sys/syscall.h>
+#include <fcntl.h>
 #include <unistd.h>
 #include <string.h>
 #include <sys/param.h>
 #include <stdio.h>
 
+#if defined(__NR_renameat) && ! defined(__NR_rename)
+int rename(const char* oldpath, const char* newpath)
+{
+	return renameat(AT_FDCWD, oldpath, AT_FDCWD, newpath);
+}
+#else
 #define __NR___syscall_rename __NR_rename
 static __inline__ _syscall2(int, __syscall_rename, const char *, oldpath,
 		const char *, newpath)
@@ -21,4 +28,4 @@ int rename(const char * oldpath, const char * newpath)
 {
 	return __syscall_rename(oldpath, newpath);
 }
-
+#endif
-- 
1.7.1




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