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57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* Simple implementation of vsprintf for systems without it.
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Highly system-dependent, but should work on most "traditional"
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implementations of stdio; newer ones should already have vsprintf.
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Written by Per Bothner of Cygnus Support.
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Based on libg++'s "form" (written by Doug Lea; dl@rocky.oswego.edu).
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Copyright (C) 1991-2017 Free Software Foundation, Inc.
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This file is part of the libiberty library. This library is free
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software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option)
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any later version.
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This 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does not cause
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the resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#include <ansidecl.h>
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#include <stdarg.h>
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#include <stdio.h>
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#undef vsprintf
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#if defined _IOSTRG && defined _IOWRT
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int
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vsprintf (char *buf, const char *format, va_list ap)
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{
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FILE b;
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int ret;
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#ifdef VMS
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b->_flag = _IOWRT|_IOSTRG;
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b->_ptr = buf;
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b->_cnt = 12000;
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#else
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b._flag = _IOWRT|_IOSTRG;
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b._ptr = buf;
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b._cnt = 12000;
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#endif
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ret = _doprnt(format, ap, &b);
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putc('\0', &b);
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return ret;
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}
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#endif
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