diff options
Diffstat (limited to 'libc/sysdeps/linux/common/lchown.c')
-rw-r--r-- | libc/sysdeps/linux/common/lchown.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/lchown.c b/libc/sysdeps/linux/common/lchown.c new file mode 100644 index 000000000..23225c5a7 --- /dev/null +++ b/libc/sysdeps/linux/common/lchown.c @@ -0,0 +1,25 @@ +/* vi: set sw=4 ts=4: */ +/* + * lchown() for uClibc + * + * Copyright (C) 2000-2004 by Erik Andersen <andersen@codpoet.org> + * + * GNU Library General Public License (LGPL) version 2 or later. + */ + +#include "syscalls.h" +#include <unistd.h> + +#define __NR___syscall_lchown __NR_lchown +static inline _syscall3(int, __syscall_lchown, const char *, path, + __kernel_uid_t, owner, __kernel_gid_t, group); + +int lchown(const char *path, uid_t owner, gid_t group) +{ + if (((owner + 1) > (uid_t) ((__kernel_uid_t) - 1U)) + || ((group + 1) > (gid_t) ((__kernel_gid_t) - 1U))) { + __set_errno(EINVAL); + return -1; + } + return __syscall_lchown(path, owner, group); +} |