setregid.c 665 B

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  1. /* vi: set sw=4 ts=4: */
  2. /*
  3. * setregid() for uClibc
  4. *
  5. * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
  6. *
  7. * GNU Library General Public License (LGPL) version 2 or later.
  8. */
  9. #include "syscalls.h"
  10. #include <unistd.h>
  11. #define __NR___syscall_setregid __NR_setregid
  12. static inline _syscall2(int, __syscall_setregid,
  13. __kernel_gid_t, rgid, __kernel_gid_t, egid);
  14. int attribute_hidden __setregid(gid_t rgid, gid_t egid)
  15. {
  16. if (((rgid + 1) > (gid_t) ((__kernel_gid_t) - 1U))
  17. || ((egid + 1) > (gid_t) ((__kernel_gid_t) - 1U))) {
  18. __set_errno(EINVAL);
  19. return -1;
  20. }
  21. return (__syscall_setregid(rgid, egid));
  22. }
  23. strong_alias(__setregid,setregid)