| /* Declaration for error-reporting function |
| Copyright (C) 1995-1997, 2003, 2006, 2008-2019 Free Software Foundation, |
| Inc. |
| This file is part of the GNU C Library. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| #ifndef _ERROR_H |
| #define _ERROR_H 1 |
| |
| /* The __attribute__ feature is available in gcc versions 2.5 and later. |
| The __-protected variants of the attributes 'format' and 'printf' are |
| accepted by gcc versions 2.6.4 (effectively 2.7) and later. |
| We enable _GL_ATTRIBUTE_FORMAT only if these are supported too, because |
| gnulib and libintl do '#define printf __printf__' when they override |
| the 'printf' function. */ |
| #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7) |
| # define _GL_ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec)) |
| #else |
| # define _GL_ATTRIBUTE_FORMAT(spec) /* empty */ |
| #endif |
| |
| /* On mingw, the flavor of printf depends on whether the extensions module |
| * is in use; the check for <stdio.h> determines the witness macro. */ |
| #ifndef _GL_ATTRIBUTE_SPEC_PRINTF |
| # if GNULIB_PRINTF_ATTRIBUTE_FLAVOR_GNU |
| # define _GL_ATTRIBUTE_SPEC_PRINTF __gnu_printf__ |
| # else |
| # define _GL_ATTRIBUTE_SPEC_PRINTF __printf__ |
| # endif |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Print a message with 'fprintf (stderr, FORMAT, ...)'; |
| if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM). |
| If STATUS is nonzero, terminate the program with 'exit (STATUS)'. */ |
| |
| extern void error (int __status, int __errnum, const char *__format, ...) |
| _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 3, 4)); |
| |
| extern void error_at_line (int __status, int __errnum, const char *__fname, |
| unsigned int __lineno, const char *__format, ...) |
| _GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF, 5, 6)); |
| |
| /* If NULL, error will flush stdout, then print on stderr the program |
| name, a colon and a space. Otherwise, error will call this |
| function without parameters instead. */ |
| extern void (*error_print_progname) (void); |
| |
| /* This variable is incremented each time 'error' is called. */ |
| extern unsigned int error_message_count; |
| |
| /* Sometimes we want to have at most one error per line. This |
| variable controls whether this mode is selected or not. */ |
| extern int error_one_per_line; |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* error.h */ |