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- /*
- * setresgid() for uClibc
- *
- * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
- *
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
- #include <sys/syscall.h>
- #ifdef __USE_GNU
- #include <unistd.h>
- #if defined(__NR_setresgid32)
- # undef __NR_setresgid
- # define __NR_setresgid __NR_setresgid32
- _syscall3(int, setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid)
- libc_hidden_weak(setresgid)
- #elif defined(__NR_setresgid)
- # 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));
- }
- libc_hidden_weak(setresgid)
- #endif
- #endif
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