diff options
Diffstat (limited to 'libc/sysdeps/linux/common/setresgid.c')
-rw-r--r-- | libc/sysdeps/linux/common/setresgid.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/setresgid.c b/libc/sysdeps/linux/common/setresgid.c new file mode 100644 index 000000000..56e66a102 --- /dev/null +++ b/libc/sysdeps/linux/common/setresgid.c @@ -0,0 +1,25 @@ +/* vi: set sw=4 ts=4: */ +/* + * setresgid() 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" + +#define __NR___syscall_setresgid __NR_setresgid +static inline _syscall3(int, __syscall_setresgid, + __kernel_gid_t, rgid, __kernel_gid_t, egid, __kernel_gid_t, sgid); + +int setresgid(gid_t rgid, gid_t egid, gid_t sgid) +{ + if (((rgid + 1) > (gid_t) ((__kernel_gid_t) - 1U)) + || ((egid + 1) > (gid_t) ((__kernel_gid_t) - 1U)) + || ((sgid + 1) > (gid_t) ((__kernel_gid_t) - 1U))) { + __set_errno(EINVAL); + return -1; + } + return (__syscall_setresgid(rgid, egid, sgid)); +} |