/*
 * Miscellaneous (dangerous!) FFS2 operations
 */

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "etm.h"
#include "ffs.h"
#include "tmffs2.h"
#include "limits.h"
#include "ffslimits.h"
#include "localtypes.h"
#include "localstruct.h"
#include "exitcodes.h"

extern u_char rvi_msg[];
extern int rvi_msg_len;

cmd_format(argc, argv)
	char **argv;
{
	u_char cmdpkt[MAX_PKT_TO_TARGET], *dp;
	int rc, slen;

	slen = strlen(argv[1]);
	if (slen >= TMFFS_STRING_SIZE) {
		printf("error: argument exceeds string length limit\n");
		return;
	}
	dp = cmdpkt + 1;
	*dp++ = ETM_FFS2;
	*dp++ = TMFFS_FORMAT;
	*dp++ = slen + 1;
	strcpy(dp, argv[1]);
	dp += slen + 1;
	/* magic is 0x2BAD, 16-bit little-endian */
	*dp++ = 0xAD;
	*dp++ = 0x2B;
	rc = etm_pkt_exch(cmdpkt, dp - cmdpkt - 1);
	if (rc)
		return(rc);
	if (rvi_msg_len != 5) {
		printf("error: TMFFS_FORMAT response has wrong length\n");
		return(ERROR_TARGET);
	}
	if (rvi_msg[3]) {
		report_ffs_err("format", rvi_msg[3]);
		return(ERROR_TARGET);
	}
	return(0);
}

cmd_preformat()
{
	u_char cmdpkt[6];
	int rc;

	cmdpkt[1] = ETM_FFS2;
	cmdpkt[2] = TMFFS_PREFORMAT;
	/* magic is 0xDEAD, 16-bit little-endian */
	cmdpkt[3] = 0xAD;
	cmdpkt[4] = 0xDE;
	rc = etm_pkt_exch(cmdpkt, 4);
	if (rc)
		return(rc);
	if (rvi_msg_len != 5) {
		printf("error: TMFFS_PREFORMAT response has wrong length\n");
		return(ERROR_TARGET);
	}
	if (rvi_msg[3]) {
		report_ffs_err("preformat", rvi_msg[3]);
		return(ERROR_TARGET);
	}
	return(0);
}