[PATCH 06/46] chown: Use fchownat if arch does not have the chown syscall
Markos Chandras
markos.chandras at gmail.com
Tue Nov 13 11:31:15 UTC 2012
From: Markos Chandras <markos.chandras at imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras at imgtec.com>
---
libc/sysdeps/linux/common/chown.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/libc/sysdeps/linux/common/chown.c b/libc/sysdeps/linux/common/chown.c
index f2c60e0..4cc686b 100644
--- a/libc/sysdeps/linux/common/chown.c
+++ b/libc/sysdeps/linux/common/chown.c
@@ -8,9 +8,17 @@
*/
#include <sys/syscall.h>
+#include <fcntl.h>
#include <unistd.h>
#include <bits/wordsize.h>
+#if defined(__NR_fchownat) && ! defined(__NR_chown)
+int chown(const char *path, uid_t owner, gid_t group)
+{
+ return fchownat(AT_FDCWD, path, owner, group, 0);
+}
+
+#else
#if (__WORDSIZE == 32 && defined(__NR_chown32)) || __WORDSIZE == 64
# ifdef __NR_chown32
@@ -37,4 +45,5 @@ int chown(const char *path, uid_t owner, gid_t group)
}
#endif
+#endif
libc_hidden_def(chown)
--
1.7.1
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