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74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/* Specializations for error functions.
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Copyright (C) 2007-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _ERROR_H
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# error "Never include <bits/error.h> directly; use <error.h> instead."
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#endif
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extern void __REDIRECT (__error_alias, (int __status, int __errnum,
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const char *__format, ...),
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error)
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__attribute__ ((__format__ (__printf__, 3, 4)));
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extern void __REDIRECT (__error_noreturn, (int __status, int __errnum,
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const char *__format, ...),
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error)
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__attribute__ ((__noreturn__, __format__ (__printf__, 3, 4)));
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/* If we know the function will never return make sure the compiler
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realizes that, too. */
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__extern_always_inline void
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error (int __status, int __errnum, const char *__format, ...)
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{
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if (__builtin_constant_p (__status) && __status != 0)
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__error_noreturn (__status, __errnum, __format, __va_arg_pack ());
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else
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__error_alias (__status, __errnum, __format, __va_arg_pack ());
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}
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extern void __REDIRECT (__error_at_line_alias, (int __status, int __errnum,
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const char *__fname,
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unsigned int __line,
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const char *__format, ...),
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error_at_line)
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__attribute__ ((__format__ (__printf__, 5, 6)));
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extern void __REDIRECT (__error_at_line_noreturn, (int __status, int __errnum,
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const char *__fname,
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unsigned int __line,
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const char *__format,
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...),
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error_at_line)
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__attribute__ ((__noreturn__, __format__ (__printf__, 5, 6)));
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/* If we know the function will never return make sure the compiler
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realizes that, too. */
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__extern_always_inline void
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error_at_line (int __status, int __errnum, const char *__fname,
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unsigned int __line, const char *__format, ...)
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{
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if (__builtin_constant_p (__status) && __status != 0)
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__error_at_line_noreturn (__status, __errnum, __fname, __line, __format,
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__va_arg_pack ());
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else
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__error_at_line_alias (__status, __errnum, __fname, __line,
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__format, __va_arg_pack ());
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}
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