xstrndup.c 1.2 KB

123456789101112131415161718192021222324252627282930313233343536
  1. /* Duplicate a bounded initial segment of a string, with out-of-memory
  2. checking.
  3. Copyright (C) 2003, 2006-2007, 2009-2020 Free Software Foundation, Inc.
  4. This program is free software: you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 3 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program. If not, see <https://www.gnu.org/licenses/>. */
  14. #include <config.h>
  15. /* Specification. */
  16. #include "xstrndup.h"
  17. #include <string.h>
  18. #include "xalloc.h"
  19. /* Return a newly allocated copy of at most N bytes of STRING.
  20. In other words, return a copy of the initial segment of length N of
  21. STRING. */
  22. char *
  23. xstrndup (const char *string, size_t n)
  24. {
  25. char *s = strndup (string, n);
  26. if (! s)
  27. xalloc_die ();
  28. return s;
  29. }