56 lines
2 KiB
C
56 lines
2 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MES_STDARG_H
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#define __MES_STDARG_H 1
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#if SYSTEM_LIBC
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#undef __MES_STDARG_H
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#include_next <stdarg.h>
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#define va_arg8(ap, type) va_arg(ap, type)
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#else // ! SYSTEM_LIBC
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#include <sys/types.h>
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#if __GNUC__ && __x86_64__
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#define __FOO_VARARGS 1
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#endif
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typedef char *va_list;
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#define va_start(ap, last) (void)((ap) = (char*)(&(last) + 1))
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#define va_arg(ap, type) (type)(((long*)((ap) = ((ap) + sizeof (void*))))[-1])
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#define va_align(ap, alignment) ((char*)((((unsigned long) (ap)) + (alignment) - 1) &~ ((alignment) - 1)))
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#define va_arg8(ap, type) (type)(((double*)((ap) = (va_align((ap), 8) + sizeof(double))))[-1])
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#define va_end(ap) (void)((ap) = 0)
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#define va_copy(dest, src) dest = src
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int vexec (char const *file_name, va_list ap);
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int vfprintf (FILE * stream, char const *template, va_list ap);
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int vfscanf (FILE * stream, char const *template, va_list ap);
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int vprintf (char const *format, va_list ap);
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int vsprintf (char *str, char const *format, va_list ap);
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int vsnprintf (char *str, size_t size, char const *format, va_list ap);
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int vsscanf (char const *s, char const *template, va_list ap);
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#endif // ! SYSTEM_LIBC
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#endif // __MES_STDARG_H
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