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. write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  14. Boston, MA 02111-1307, USA. */
  15. #include <stdio.h>
  16. #include <stdlib.h>
  17. extern int __gen_tempname (char *tmpl, int openit);
  18. /* Generate a unique temporary file name from TEMPLATE.
  19. The last six characters of TEMPLATE must be "XXXXXX";
  20. they are replaced with a string that makes the filename unique. */
  21. char * mktemp (char *template)
  22. {
  23. if (__gen_tempname (template, 0) < 0)
  24. /* We return the null string if we can't find a unique file name. */
  25. template[0] = '\0';
  26. return template;
  27. }