ack/lang/pc/libpc/ini.c

/* $Id$ */
/*
 * (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
 *
 *          This product is part of the Amsterdam Compiler Kit.
 *
 * Permission to use, sell, duplicate or disclose this software must be
 * obtained in writing. Requests for such permissions may be sent to
 *
 *      Dr. Andrew S. Tanenbaum
 *      Wiskundig Seminarium
 *      Vrije Universiteit
 *      Postbox 7161
 *      1007 MC Amsterdam
 *      The Netherlands
 *
 */

/* Author: J.W. Stevenson */

#include "pc.h"

int _pargc;
char** _pargv;
char** _penvp;

char* _m_lb; /* LB of _m_a_i_n */
struct file* _curfil; /* points to file struct in case of errors */

int _extflc;
struct file** _extfl;

int _fp_hook = 1; /* This is for Minix, but does not harm others */

void _ini(char *args, int c, struct file **p, char *mainlb)
{
	struct file* f;

	_pargc = *(int*)args;
	args += sizeof(int);
	_pargv = *(char***)args;
	args += sizeof(char**);
	_penvp = *(char***)args;
	_sig(_catch);
	_extfl = p;
	_extflc = c;
	if (!c)
		return;
	_m_lb = mainlb;
	if ((f = _extfl[0]) != (struct file*)0)
	{
		f->ptr = f->bufadr;
		f->flags = MAGIC | TXTBIT;
		f->fname = "INPUT";
		f->ufd = 0;
		f->size = 1;
		f->count = 0;
		f->buflen = PC_BUFLEN;
	}
	if ((f = _extfl[1]) != (struct file*)0)
	{
		f->ptr = f->bufadr;
		f->flags = MAGIC | TXTBIT | WRBIT | EOFBIT | ELNBIT;
		f->fname = "OUTPUT";
		f->ufd = 1;
		f->size = 1;
		f->count = 1;
		f->buflen = f->count;
	}
}