/* 
 * $Id$
 * 
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

extern int errno;
extern int yyparse();

#include "config.h"
#include "memedit_parser.h"
    

int debug = 0;
int readback = 1;
int mmaped_access = 0;
FILE *rl_instream;
int fd = -1;

void *mem = NULL;

int main (int argc, char *argv[])
{
	struct arg_t arg;
	struct arg_t *kom_arg = &arg;

	/*
	 * genparse has changed it's api in v0.6.5.
	 * Version schema used here:
	 * xxxyyyzzz, maior/minor/micro, without leading zeros
	 */
#if ((GENPARSE_VERS_MAGIC) <= (6005))
	kom_arg = Cmdline(argc, argv);
#else
	Cmdline (kom_arg, argc, argv);
#endif
	printf("\nmemedit - quick change of memory content; version %s\n", PACKAGE_VERSION);
	printf("Copyright (C) 2004-2011 by Pengutronix (kernel@pengutronix.de)\n\n");
	if (kom_arg->v)
		return EXIT_FAILURE;

	printf("Please enter 'help' for a list of commands. \n\n");

	debug = kom_arg->V;
	readback = !kom_arg->r;

	if (kom_arg->s)
	{
		rl_instream = fopen(kom_arg->s,"r");
		if(rl_instream) {
			printf("parsing %s\n",kom_arg->s);
			yyparse ();
		} else {
			printf ("opening \"%s\" failed\n%s\n", 
				   kom_arg->s, strerror(errno));
		}
	}

	if (kom_arg->optind) 
	{
		if(fd > 0) {
			printf("file already opened - ignoring command line\n");
		} else {
			fd = open(argv[kom_arg->optind], O_RDWR | O_SYNC);
			if (fd<0)
				printf ("opening \"%s\" failed\n%s\n", 
					   argv[kom_arg->optind], strerror(errno));
		}
	}

	rl_instream = stdin;
	yyparse ();
	
	return EXIT_SUCCESS;
}

void yyerror (const char *s)  /* Called by yyparse on error */
{
	printf ("%s\n", s);
}