libc/sysdeps/linux/common/getresgid.c

   1 /*
   2  * getresgid() for uClibc
   3  *
   4  * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
   5  *
   6  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   7  */
   8
   9 #include <sys/syscall.h>
  10 #ifdef __USE_GNU
  11 #include <unistd.h>
  12
  13 #if defined(__NR_getresgid32)
  14 # undef __NR_getresgid
  15 # define __NR_getresgid __NR_getresgid32
  16 _syscall3(int, getresgid, gid_t *, rgid, gid_t *, egid, gid_t *, sgid)
  17
  18 #elif defined(__NR_getresgid)
  19 # define __NR___syscall_getresgid __NR_getresgid
  20 static __inline__ _syscall3(int, __syscall_getresgid, __kernel_gid_t *, rgid,
  21                   __kernel_gid_t *, egid, __kernel_gid_t *, sgid)
  22
  23 int getresgid(gid_t * rgid, gid_t * egid, gid_t * sgid)
  24 {
  25         int result;
  26         __kernel_gid_t k_rgid, k_egid, k_sgid;
  27
  28         result = __syscall_getresgid(&k_rgid, &k_egid, &k_sgid);
  29         if (result == 0) {
  30                 *rgid = (gid_t) k_rgid;
  31                 *egid = (gid_t) k_egid;
  32                 *sgid = (gid_t) k_sgid;
  33         }
  34         return result;
  35 }
  36 #endif
  37 #endif