/* vprint.c -- v[fs]printf() for 4.[23] BSD systems. *//* Copyright (C) 1987,1989 Free Software Foundation, Inc.   This file is part of GNU Bash, the Bourne Again SHell.   Bash is free software: you can redistribute it and/or modify   it under the terms of the GNU General Public License as published by   the Free Software Foundation, either version 3 of the License, or   (at your option) any later version.   Bash 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 General Public License for more details.   You should have received a copy of the GNU General Public License   along with Bash.  If not, see <http://www.gnu.org/licenses/>.*/#include <config.h>#if defined (USE_VFPRINTF_EMULATION)#include <stdio.h>#if !defined (NULL)#  if defined (__STDC__)#    define NULL ((void *)0)#  else#    define NULL 0x0#  endif /* __STDC__ */#endif /* !NULL *//* * Beware!  Don't trust the value returned by either of these functions; it * seems that pre-4.3-tahoe implementations of _doprnt () return the first * argument, i.e. a char *. */#include <varargs.h>intvfprintf (iop, fmt, ap)     FILE *iop;     char *fmt;     va_list ap;{  int len;  char localbuf[BUFSIZ];  if (iop->_flag & _IONBF)    {      iop->_flag &= ~_IONBF;      iop->_ptr = iop->_base = localbuf;      len = _doprnt (fmt, ap, iop);      (void) fflush (iop);      iop->_flag |= _IONBF;      iop->_base = NULL;      iop->_bufsiz = 0;      iop->_cnt = 0;    }  else    len = _doprnt (fmt, ap, iop);  return (ferror (iop) ? EOF : len);}/* * Ditto for vsprintf */intvsprintf (str, fmt, ap)     char *str, *fmt;     va_list ap;{  FILE f;  int len;  f._flag = _IOWRT|_IOSTRG;  f._ptr = str;  f._cnt = 32767;  len = _doprnt (fmt, ap, &f);  *f._ptr = 0;  return (len);}#endif /* USE_VFPRINTF_EMULATION */