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Diffstat (limited to 'libc/sysdeps/linux')
-rw-r--r--libc/sysdeps/linux/common/lchown.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/libc/sysdeps/linux/common/lchown.c b/libc/sysdeps/linux/common/lchown.c
index c0f8ce763..4d310fdcb 100644
--- a/libc/sysdeps/linux/common/lchown.c
+++ b/libc/sysdeps/linux/common/lchown.c
@@ -11,17 +11,26 @@
#include <unistd.h>
#include <bits/wordsize.h>
-#if (__WORDSIZE == 32 && defined(__NR_lchown32)) || __WORDSIZE == 64
-# ifdef __NR_lchown32
-# undef __NR_lchown
-# define __NR_lchown __NR_lchown32
-# endif
+#if defined __NR_fchownat && !defined __NR_lchown
+# include <fcntl.h>
+int lchown(const char *path, uid_t owner, gid_t group)
+{
+ return fchownat(AT_FDCWD, path, owner, group, AT_SYMLINK_NOFOLLOW);
+}
+
+#else
+
+# if (__WORDSIZE == 32 && defined(__NR_lchown32)) || __WORDSIZE == 64
+# ifdef __NR_lchown32
+# undef __NR_lchown
+# define __NR_lchown __NR_lchown32
+# endif
_syscall3(int, lchown, const char *, path, uid_t, owner, gid_t, group)
-#else
+# else
-# define __NR___syscall_lchown __NR_lchown
+# define __NR___syscall_lchown __NR_lchown
static __inline__ _syscall3(int, __syscall_lchown, const char *, path,
__kernel_uid_t, owner, __kernel_gid_t, group)
@@ -35,4 +44,6 @@ int lchown(const char *path, uid_t owner, gid_t group)
return __syscall_lchown(path, owner, group);
}
+# endif
+
#endif