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vsprintf.c
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C/C++ Source or Header
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1993-11-04
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2KB
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/* Simple implementation of vsprintf for systems without it.
Highly system-dependent, but should work on most "traditional"
implementations of stdio; newer ones should already have vsprintf.
Written by Per Bothner of Cygnus Support.
Based on libg++'s "form" (written by Doug Lea; dl@rocky.oswego.edu).
Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libiberty 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <varargs.h>
#include <stdio.h>
#include <ansidecl.h>
#undef vsprintf
int
vsprintf (buf, format, ap)
char *buf;
const char *format;
va_list ap;
{
FILE b;
int ret;
#ifdef VMS
b->_flag = _IOWRT|_IOSTRG;
b->_ptr = buf;
b->_cnt = 12000;
#else
b._flag = _IOWRT|_IOSTRG;
b._ptr = buf;
b._cnt = 12000;
#endif
ret = _doprnt(format, ap, &b);
putc('\0', &b);
return ret;
}