getutline_r.c 1.3 KB

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  1. /* Copyright (C) 1996-2026 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <https://www.gnu.org/licenses/>. */
  14. #include <errno.h>
  15. #include <libc-lock.h>
  16. #include <utmp.h>
  17. #include "utmp-private.h"
  18. /* We have to use the lock in getutent_r.c. */
  19. __libc_lock_define (extern, __libc_utmp_lock attribute_hidden)
  20. int
  21. __getutline_r (const struct utmp *line, struct utmp *buffer,
  22. struct utmp **result)
  23. {
  24. int retval;
  25. __libc_lock_lock (__libc_utmp_lock);
  26. retval = __libc_getutline_r (line, buffer, result);
  27. __libc_lock_unlock (__libc_utmp_lock);
  28. return retval;
  29. }
  30. libc_hidden_def (__getutline_r)
  31. weak_alias (__getutline_r, getutline_r)