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14d898aef6
(lib-noranlib): Depend on on $(extra-objs). * errno.h: Move __END_DECLS out of #ifdef's so it matches __BEGIN_DECLS.
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/* Copyright (C) 1991, 92, 93, 94, 95, 96 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/*
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* ANSI Standard: 4.1.3 Errors <errno.h>
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*/
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#ifndef _ERRNO_H
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/* The includer defined __need_Emath if he wants only the definitions
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of EDOM and ERANGE, and not everything else. */
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#ifndef __need_Emath
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#define _ERRNO_H 1
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#include <features.h>
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#endif
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__BEGIN_DECLS
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/* Get the error number constants from the system-specific file.
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This file will test __need_Emath and _ERRNO_H. */
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#include <errnos.h>
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#undef __need_Emath
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#ifdef _ERRNO_H
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/* Declare the `errno' variable, unless it's defined as a macro by
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errnos.h. This is the case in GNU, where it is a per-thread variable.
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This redeclaration using the macro still works, but it will be a
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function declaration without a prototype and may trigger a
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-Wstrict-prototypes warning. */
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#ifndef errno
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extern int errno;
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#endif
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#ifdef __USE_GNU
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/* The Hurd <errnos.h> defines `error_t' as an enumerated type
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so that printing `error_t' values in the debugger shows the names. */
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#ifndef __error_t_defined
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typedef int error_t;
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#define __error_t_defined 1
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#endif
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/* The full and simple forms of the name with which the program was
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invoked. These variables are set up automatically at startup based on
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the value of ARGV[0] (this works only if you use GNU ld). */
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extern char *program_invocation_name, *program_invocation_short_name;
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#endif /* Use GNU. */
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#endif /* errno.h included */
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__END_DECLS
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#endif /* errno.h */
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