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/* 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 */
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