__libc_assert_fail.c 1.3 KB

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  1. /* libc-internal assert that calls __libc_message.
  2. Copyright (C) 2022-2026 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. <https://www.gnu.org/licenses/>. */
  15. #include <_itoa.h>
  16. #include <array_length.h>
  17. #include <intprops.h>
  18. #include <stdio.h>
  19. void
  20. __libc_assert_fail (const char *assertion, const char *file, unsigned int line,
  21. const char *function)
  22. {
  23. char linebuf[INT_BUFSIZE_BOUND (unsigned int)];
  24. array_end (linebuf)[-1] = '\0';
  25. char *linestr = _itoa_word (line, array_end (linebuf) - 1, 10, 0);
  26. __libc_assert (
  27. "Fatal glibc error: %s:%s (%s): assertion failed: %s\n", file, linestr,
  28. function, assertion);
  29. }