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Except.c 1.5 KB

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  1. /* vim: set expandtab ts=4 sw=4: */
  2. /*
  3. * You may redistribute this program and/or modify it under the terms of
  4. * the GNU General Public License as published by the Free Software Foundation,
  5. * either version 3 of the License, or (at your option) any later version.
  6. *
  7. * This program 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
  10. * GNU General Public License for more details.
  11. *
  12. * You should have received a copy of the GNU General Public License
  13. * along with this program. If not, see <https://www.gnu.org/licenses/>.
  14. */
  15. #define _POSIX_C_SOURCE 200112L
  16. #include "exception/Except.h"
  17. #include "util/CString.h"
  18. #include <stdarg.h>
  19. #include <stdio.h>
  20. #include <stdlib.h>
  21. void Except__throw(char* file, int line, struct Except* eh, char* format, ...)
  22. {
  23. va_list args;
  24. va_start(args, format);
  25. char* subFile = CString_strrchr(file, '/');
  26. if (!subFile) {
  27. subFile = file;
  28. }
  29. if (eh) {
  30. int remaining = Except_BUFFER_SZ;
  31. int len = snprintf(eh->message, remaining, "%s:%d ", subFile, line);
  32. remaining -= len;
  33. if (remaining > 0) {
  34. vsnprintf(&eh->message[len], remaining, format, args);
  35. }
  36. eh->exception(eh->message, eh);
  37. } else {
  38. fprintf(stderr, "%s:%d ", subFile, line);
  39. vfprintf(stderr, format, args);
  40. fprintf(stderr, "\n");
  41. }
  42. abort();
  43. exit(100);
  44. }