1/* Simple implementation of vsprintf for systems without it. 2 Highly system-dependent, but should work on most "traditional" 3 implementations of stdio; newer ones should already have vsprintf. 4 Written by Per Bothner of Cygnus Support. 5 Based on libg++'s "form" (written by Doug Lea; dl@rocky.oswego.edu). 6 Copyright (C) 1991-2024 Free Software Foundation, Inc. 7 8This file is part of the libiberty library. This library is free 9software; you can redistribute it and/or modify it under the 10terms of the GNU General Public License as published by the 11Free Software Foundation; either version 2, or (at your option) 12any later version. 13 14This library is distributed in the hope that it will be useful, 15but WITHOUT ANY WARRANTY; without even the implied warranty of 16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17GNU General Public License for more details. 18 19You should have received a copy of the GNU General Public License 20along with GNU CC; see the file COPYING. If not, write to 21the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. 22 23As a special exception, if you link this library with files 24compiled with a GNU compiler to produce an executable, this does not cause 25the resulting executable to be covered by the GNU General Public License. 26This exception does not however invalidate any other reasons why 27the executable file might be covered by the GNU General Public License. */ 28 29#include <ansidecl.h> 30#include <stdarg.h> 31#include <stdio.h> 32#undef vsprintf 33 34#if defined _IOSTRG && defined _IOWRT 35 36int 37vsprintf (char *buf, const char *format, va_list ap) 38{ 39 FILE b; 40 int ret; 41#ifdef VMS 42 b->_flag = _IOWRT|_IOSTRG; 43 b->_ptr = buf; 44 b->_cnt = 12000; 45#else 46 b._flag = _IOWRT|_IOSTRG; 47 b._ptr = buf; 48 b._cnt = 12000; 49#endif 50 ret = _doprnt(format, ap, &b); 51 putc('\0', &b); 52 return ret; 53 54} 55 56#endif 57