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Edit File: error.h
/* Specializations for error functions. Copyright (C) 2007-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library 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. The GNU C Library 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 the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #ifndef _ERROR_H # error "Never include <bits/error.h> directly; use <error.h> instead." #endif extern void __REDIRECT (__error_alias, (int __status, int __errnum, const char *__format, ...), error) __attribute__ ((__format__ (__printf__, 3, 4))); extern void __REDIRECT (__error_noreturn, (int __status, int __errnum, const char *__format, ...), error) __attribute__ ((__noreturn__, __format__ (__printf__, 3, 4))); /* If we know the function will never return make sure the compiler realizes that, too. */ __extern_always_inline void error (int __status, int __errnum, const char *__format, ...) { if (__builtin_constant_p (__status) && __status != 0) __error_noreturn (__status, __errnum, __format, __va_arg_pack ()); else __error_alias (__status, __errnum, __format, __va_arg_pack ()); } extern void __REDIRECT (__error_at_line_alias, (int __status, int __errnum, const char *__fname, unsigned int __line, const char *__format, ...), error_at_line) __attribute__ ((__format__ (__printf__, 5, 6))); extern void __REDIRECT (__error_at_line_noreturn, (int __status, int __errnum, const char *__fname, unsigned int __line, const char *__format, ...), error_at_line) __attribute__ ((__noreturn__, __format__ (__printf__, 5, 6))); /* If we know the function will never return make sure the compiler realizes that, too. */ __extern_always_inline void error_at_line (int __status, int __errnum, const char *__fname, unsigned int __line, const char *__format, ...) { if (__builtin_constant_p (__status) && __status != 0) __error_at_line_noreturn (__status, __errnum, __fname, __line, __format, __va_arg_pack ()); else __error_at_line_alias (__status, __errnum, __fname, __line, __format, __va_arg_pack ()); }