getspuid.c 1.4 KB

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  1. /*
  2. * getspuid.c - Based on getpwuid.c
  3. *
  4. * This library is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU Library General Public
  6. * License as published by the Free Software Foundation; either
  7. * version 2 of the License, or (at your option) any later version.
  8. *
  9. * This library is distributed in the hope that it will be useful,
  10. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * Library General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU Library General Public
  15. * License along with this library; if not, write to the Free
  16. * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17. *
  18. */
  19. #include <stdlib.h>
  20. #include <unistd.h>
  21. #include <fcntl.h>
  22. #include "config.h"
  23. int getspuid_r (uid_t uid, struct spwd *spwd,
  24. char *buff, size_t buflen, struct spwd **crap)
  25. {
  26. char pwd_buff[PWD_BUFFER_SIZE];
  27. struct passwd password;
  28. if (getpwuid_r(uid, &password, pwd_buff, sizeof(pwd_buff), NULL) < 0)
  29. return -1;
  30. return getspnam_r(password.pw_name, spwd, buff, buflen, crap);
  31. }
  32. struct spwd *getspuid(uid_t uid)
  33. {
  34. static char line_buff[PWD_BUFFER_SIZE];
  35. static struct spwd spwd;
  36. if (getspuid_r(uid, &spwd, line_buff, sizeof(line_buff), NULL) != -1) {
  37. return &spwd;
  38. }
  39. return NULL;
  40. }