setregid.c 672 B

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  1. /* vi: set sw=4 ts=4: */
  2. /*
  3. * setregid() for uClibc
  4. *
  5. * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
  6. *
  7. * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  8. */
  9. #include "syscalls.h"
  10. #include <unistd.h>
  11. libc_hidden_proto(setregid)
  12. #define __NR___syscall_setregid __NR_setregid
  13. static inline _syscall2(int, __syscall_setregid,
  14. __kernel_gid_t, rgid, __kernel_gid_t, egid);
  15. int setregid(gid_t rgid, gid_t egid)
  16. {
  17. if (((rgid + 1) > (gid_t) ((__kernel_gid_t) - 1U))
  18. || ((egid + 1) > (gid_t) ((__kernel_gid_t) - 1U))) {
  19. __set_errno(EINVAL);
  20. return -1;
  21. }
  22. return (__syscall_setregid(rgid, egid));
  23. }
  24. libc_hidden_def(setregid)