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/* Declarations for error-reporting functions.
Copyright (C) 1995-1997, 2003, 2006, 2008-2023 Free Software Foundation,
Inc.
This file is part of the GNU C Library.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _@GUARD_PREFIX@_ERROR_H
/* No @PRAGMA_SYSTEM_HEADER@ here, because it would prevent
-Wimplicit-fallthrough warnings for missing FALLTHROUGH after error(...)
or error_at_line(...) invocations. */
/* The include_next requires a split double-inclusion guard. */
#if @HAVE_ERROR_H@
# @INCLUDE_NEXT@ @NEXT_ERROR_H@
#endif
#ifndef _@GUARD_PREFIX@_ERROR_H
#define _@GUARD_PREFIX@_ERROR_H
/* This file uses _GL_ATTRIBUTE_FORMAT. */
#if !_GL_CONFIG_H_INCLUDED
#error "Please include config.h first."
#endif
/* Get 'unreachable'. */
#include <stddef.h>
/* Get _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD, _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM. */
#include <stdio.h>
/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
#if GNULIB_VFPRINTF_POSIX
# define _GL_ATTRIBUTE_SPEC_PRINTF_ERROR _GL_ATTRIBUTE_SPEC_PRINTF_STANDARD
#else
# define _GL_ATTRIBUTE_SPEC_PRINTF_ERROR _GL_ATTRIBUTE_SPEC_PRINTF_SYSTEM
#endif
#ifdef __GNUC__
# define __gl_error_call(function, status, ...) \
({ \
int const __errstatus = status; \
(function) (__errstatus, __VA_ARGS__); \
__errstatus != 0 ? unreachable () : (void) 0; \
})
#else
# define __gl_error_call(function, status, ...) \
(function) (status, __VA_ARGS__)
#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)'. */
#if @REPLACE_ERROR@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef error
# define error rpl_error
# endif
_GL_FUNCDECL_RPL (error, void,
(int __status, int __errnum, const char *__format, ...)
_GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 3, 4)));
_GL_CXXALIAS_RPL (error, void,
(int __status, int __errnum, const char *__format, ...));
# ifndef _GL_NO_INLINE_ERROR
# undef error
# define error(status, ...) \
__gl_error_call (rpl_error, status, __VA_ARGS__)
# endif
#else
# if ! @HAVE_ERROR@
_GL_FUNCDECL_SYS (error, void,
(int __status, int __errnum, const char *__format, ...)
_GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 3, 4)));
# endif
_GL_CXXALIAS_SYS (error, void,
(int __status, int __errnum, const char *__format, ...));
# ifndef _GL_NO_INLINE_ERROR
# define error(status, ...) \
__gl_error_call (error, status, __VA_ARGS__)
# endif
#endif
#if __GLIBC__ >= 2
_GL_CXXALIASWARN (error);
#endif
/* Likewise. If FILENAME is non-NULL, include FILENAME:LINENO: in the
message. */
#if @REPLACE_ERROR_AT_LINE@
# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef error_at_line
# define error_at_line rpl_error_at_line
# endif
_GL_FUNCDECL_RPL (error_at_line, void,
(int __status, int __errnum, const char *__filename,
unsigned int __lineno, const char *__format, ...)
_GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 5, 6)));
_GL_CXXALIAS_RPL (error_at_line, void,
(int __status, int __errnum, const char *__filename,
unsigned int __lineno, const char *__format, ...));
# ifndef _GL_NO_INLINE_ERROR
# undef error_at_line
# define error_at_line(status, ...) \
__gl_error_call (rpl_error_at_line, status, __VA_ARGS__)
# endif
#else
# if ! @HAVE_ERROR_AT_LINE@
_GL_FUNCDECL_SYS (error_at_line, void,
(int __status, int __errnum, const char *__filename,
unsigned int __lineno, const char *__format, ...)
_GL_ATTRIBUTE_FORMAT ((_GL_ATTRIBUTE_SPEC_PRINTF_ERROR, 5, 6)));
# endif
_GL_CXXALIAS_SYS (error_at_line, void,
(int __status, int __errnum, const char *__filename,
unsigned int __lineno, const char *__format, ...));
# ifndef _GL_NO_INLINE_ERROR
# define error_at_line(status, ...) \
__gl_error_call (error_at_line, status, __VA_ARGS__)
# endif
#endif
_GL_CXXALIASWARN (error_at_line);
/* 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 /* _@GUARD_PREFIX@_ERROR_H */
#endif /* _@GUARD_PREFIX@_ERROR_H */
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