1
0

_strerror.c 1.2 KB

12345678910111213141516171819202122232425262728293031323334353637
  1. /* Copyright (C) 1991-2026 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 <string.h>
  15. #include <libintl.h>
  16. #include <stdio.h>
  17. #include <stdlib.h>
  18. /* Return a string describing the errno code in ERRNUM. */
  19. char *
  20. __strerror_r (int errnum, char *buf, size_t buflen)
  21. {
  22. char *err = (char *) __get_errlist (errnum);
  23. if (__glibc_unlikely (err == NULL))
  24. {
  25. __snprintf (buf, buflen, "%s%d", _("Unknown error "), errnum);
  26. return buf;
  27. }
  28. return _(err);
  29. }
  30. weak_alias (__strerror_r, strerror_r)
  31. libc_hidden_def (__strerror_r)