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utils-std

Collection of commonly available Unix tools git clone https://anongit.hacktivis.me/git/utils-std.git/

strip_lastelem.c (548B)

    

  1. // utils-std: Collection of commonly available Unix tools
  2. // SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
  3. // SPDX-License-Identifier: MPL-2.0
  5. #include "./strip_lastelem.h"
  7. #include <string.h>
  9. // "/foo/bar/" -> "/foo/"
  10. // "/foo/bar"  -> "/foo/"
  11. // "/" -> ""
  12. void
  13. strip_lastelem(char *parent)
  14. {
  15. 	size_t i = strlen(parent);
  16. 	if(i == 0)
  17. 		return;
  18. 	else
  19. 		i--;
  21. 	while(i > 0 && parent[i] == '/')
  22. 		parent[i--] = '\0';
  24. 	while(i > 0 && parent[i] != '/')
  25. 		parent[i--] = '\0';
  27. 	if(i == 0) parent[i--] = '\0';
  28. }