xasprintf.c 1.1 KB

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  1. /* Error-checking wrapper for asprintf.
  2. Copyright (C) 2016-2019 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <http://www.gnu.org/licenses/>. */
  15. #include <support/support.h>
  16. #include <stdarg.h>
  17. #include <stdio.h>
  18. #include <stdlib.h>
  19. #include <support/check.h>
  20. char *
  21. xasprintf (const char *format, ...)
  22. {
  23. va_list ap;
  24. va_start (ap, format);
  25. char *result;
  26. if (vasprintf (&result, format, ap) < 0)
  27. FAIL_EXIT1 ("asprintf: %m");
  28. va_end (ap);
  29. return result;
  30. }