argz-count.c 1.2 KB

12345678910111213141516171819202122232425262728293031323334353637
  1. /* Routines for dealing with '\0' separated arg vectors.
  2. Copyright (C) 1995-2026 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library 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 GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <https://www.gnu.org/licenses/>. */
  15. #include <argz.h>
  16. #include <string.h>
  17. /* Returns the number of strings in ARGZ. */
  18. size_t
  19. __argz_count (const char *argz, size_t len)
  20. {
  21. size_t count = 0;
  22. while (len > 0)
  23. {
  24. size_t part_len = strlen(argz);
  25. argz += part_len + 1;
  26. len -= part_len + 1;
  27. count++;
  28. }
  29. return count;
  30. }
  31. libc_hidden_def (__argz_count)
  32. weak_alias (__argz_count, argz_count)