getresuid.c 741 B

12345678910111213141516171819202122232425262728293031
  1. /* vi: set sw=4 ts=4: */
  2. /*
  3. * getresuid() 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. #ifdef __NR_getresuid
  12. # define __NR___syscall_getresuid __NR_getresuid
  13. static inline _syscall3(int, __syscall_getresuid, __kernel_uid_t *, ruid,
  14. __kernel_uid_t *, euid, __kernel_uid_t *, suid);
  15. int getresuid(uid_t * ruid, uid_t * euid, uid_t * suid)
  16. {
  17. int result;
  18. __kernel_uid_t k_ruid, k_euid, k_suid;
  19. result = __syscall_getresuid(&k_ruid, &k_euid, &k_suid);
  20. if (result == 0) {
  21. *ruid = (uid_t) k_ruid;
  22. *euid = (uid_t) k_euid;
  23. *suid = (uid_t) k_suid;
  24. }
  25. return result;
  26. }
  27. #endif