assert.c 1.4 KB

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  1. /* Copyright (C) 1991-2026 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. <https://www.gnu.org/licenses/>. */
  14. #include <array_length.h>
  15. #include <intprops.h>
  16. #include <ldsodefs.h>
  17. #include <libc-pointer-arith.h>
  18. #include <libintl.h>
  19. #include <stdio.h>
  20. extern const char *__progname;
  21. #undef __assert_fail
  22. void
  23. __assert_fail (const char *assertion, const char *file, unsigned int line,
  24. const char *function)
  25. {
  26. char linebuf[INT_BUFSIZE_BOUND (unsigned int)];
  27. array_end (linebuf)[-1] = '\0';
  28. char *linestr = _itoa_word (line, array_end (linebuf) - 1, 10, 0);
  29. __libc_assert (_("%s%s%s:%s: %s%sAssertion `%s' failed.\n"),
  30. __progname,
  31. __progname[0] ? ": " : "",
  32. file,
  33. linestr,
  34. function ? function : "",
  35. function ? ": " : "",
  36. assertion);
  37. }