strnlen.h 1.2 KB

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  1. /* Find the length of STRING, but scan at most MAXLEN characters.
  2. Copyright (C) 2005 Free Software Foundation, Inc.
  3. Written by Simon Josefsson.
  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 2, or (at your option)
  7. 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, write to the Free Software Foundation,
  14. Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
  15. #ifndef STRNLEN_H
  16. #define STRNLEN_H
  17. /* Get strnlen declaration, if available. */
  18. #include <string.h>
  19. #if defined HAVE_DECL_STRNLEN && !HAVE_DECL_STRNLEN
  20. /* Find the length (number of bytes) of STRING, but scan at most
  21. MAXLEN bytes. If no '\0' terminator is found in that many bytes,
  22. return MAXLEN. */
  23. extern size_t strnlen(const char *string, size_t maxlen);
  24. #endif
  25. #endif /* STRNLEN_H */