argz-stringify.c 1.4 KB

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  1. /* Routines for dealing with '\0' separated arg vectors.
  2. Copyright (C) 1995-2019 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. Written by Miles Bader <miles@gnu.org>
  5. The GNU C Library is free software; you can redistribute it and/or
  6. modify it under the terms of the GNU Lesser General Public
  7. License as published by the Free Software Foundation; either
  8. version 2.1 of the License, or (at your option) any later version.
  9. The GNU C Library is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. Lesser General Public License for more details.
  13. You should have received a copy of the GNU Lesser General Public
  14. License along with the GNU C Library; if not, see
  15. <http://www.gnu.org/licenses/>. */
  16. #include <argz.h>
  17. #include <string.h>
  18. /* Make '\0' separated arg vector ARGZ printable by converting all the '\0's
  19. except the last into the character SEP. */
  20. void
  21. __argz_stringify (char *argz, size_t len, int sep)
  22. {
  23. if (len > 0)
  24. while (1)
  25. {
  26. size_t part_len = __strnlen (argz, len);
  27. argz += part_len;
  28. len -= part_len;
  29. if (len-- <= 1) /* includes final '\0' we want to stop at */
  30. break;
  31. *argz++ = sep;
  32. }
  33. }
  34. libc_hidden_def (__argz_stringify)
  35. weak_alias (__argz_stringify, argz_stringify)