mktemp.c 1.3 KB

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  1. /* Copyright (C) 1998 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Library General Public License as
  5. published by the Free Software Foundation; either version 2 of the
  6. License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Library General Public License for more details.
  11. You should have received a copy of the GNU Library General Public
  12. License along with the GNU C Library; see the file COPYING.LIB. If not,
  13. see <http://www.gnu.org/licenses/>. */
  14. #include <stdio.h>
  15. #include <stdlib.h>
  16. #include "../misc/internals/tempname.h"
  17. /* Generate a unique temporary file name from TEMPLATE.
  18. * The last six characters of TEMPLATE must be "XXXXXX";
  19. * they are replaced with a string that makes the filename unique. */
  20. char *mktemp(char *template)
  21. {
  22. if (__gen_tempname (template, __GT_NOCREATE, 0,0, 0) < 0)
  23. /* We return the null string if we can't find a unique file name. */
  24. template[0] = '\0';
  25. return template;
  26. }