error.h 2.3 KB

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  1. /* Declaration for error-reporting function
  2. Copyright (C) 1995-1997, 2003, 2006, 2008-2020 Free Software Foundation,
  3. Inc.
  4. This file is part of the GNU C Library.
  5. This program is free software: you can redistribute it and/or modify
  6. it under the terms of the GNU General Public License as published by
  7. the Free Software Foundation; either version 3 of the License, or
  8. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU General Public License for more details.
  13. You should have received a copy of the GNU General Public License
  14. along with this program. If not, see <https://www.gnu.org/licenses/>. */
  15. #ifndef _ERROR_H
  16. #define _ERROR_H 1
  17. /* On mingw, the flavor of printf depends on whether the extensions module
  18. * is in use; the check for <stdio.h> determines the witness macro. */
  19. #ifndef _GL_ATTRIBUTE_SPEC_PRINTF
  20. # if GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU
  21. # define _GL_ATTRIBUTE_SPEC_PRINTF __gnu_printf__
  22. # else
  23. # define _GL_ATTRIBUTE_SPEC_PRINTF __printf__
  24. # endif
  25. #endif
  26. #ifdef __cplusplus
  27. extern "C" {
  28. #endif
  29. /* Print a message with 'fprintf (stderr, FORMAT, ...)';
  30. if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
  31. If STATUS is nonzero, terminate the program with 'exit (STATUS)'. */
  32. extern void error (int __status, int __errnum, const char *__format, ...)
  33. _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 3, 4));
  34. extern void error_at_line (int __status, int __errnum, const char *__fname,
  35. unsigned int __lineno, const char *__format, ...)
  36. _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 5, 6));
  37. /* If NULL, error will flush stdout, then print on stderr the program
  38. name, a colon and a space. Otherwise, error will call this
  39. function without parameters instead. */
  40. extern void (*error_print_progname) (void);
  41. /* This variable is incremented each time 'error' is called. */
  42. extern unsigned int error_message_count;
  43. /* Sometimes we want to have at most one error per line. This
  44. variable controls whether this mode is selected or not. */
  45. extern int error_one_per_line;
  46. #ifdef __cplusplus
  47. }
  48. #endif
  49. #endif /* error.h */