mkstemps.c 1.4 KB

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  1. /* Copyright (C) 2009-2019 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 Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the 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. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #include <errno.h>
  15. #include <fcntl.h>
  16. #include <stdio.h>
  17. #include <stdlib.h>
  18. #ifndef __GT_FILE
  19. # define __GT_FILE 0
  20. #endif
  21. /* Generate a unique temporary file name from TEMPLATE. The last six
  22. characters before a suffix of length SUFFIXLEN of TEMPLATE must be
  23. "XXXXXX"; they are replaced with a string that makes the filename
  24. unique. Then open the file and return a fd. */
  25. int
  26. mkstemps (char *template, int suffixlen)
  27. {
  28. if (suffixlen < 0)
  29. {
  30. __set_errno (EINVAL);
  31. return -1;
  32. }
  33. return __gen_tempname (template, suffixlen, 0, __GT_FILE);
  34. }
  35. #if !defined O_LARGEFILE || O_LARGEFILE == 0
  36. weak_alias (mkstemps, mkstemps64)
  37. #endif