view simtool/readcmd.c @ 92:0ead9444a698

fc-simtool: read operation functions factored out
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 Jan 2021 19:59:10 +0000
parents 226b231d00f3
children 5f826e428641
line wrap: on
line source

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <pcsclite.h>
#include <winscard.h>
#include "globals.h"

cmd_readbin(argc, argv)
	char **argv;
{
	unsigned offset, len;
	int rc;

	offset = strtoul(argv[1], 0, 0);
	if (offset > 0xFFFF) {
		fprintf(stderr, "error: offset argument is out of range\n");
		return(-1);
	}
	len = strtoul(argv[2], 0, 0);
	if (len < 1 || len > 256) {
		fprintf(stderr, "error: length argument is out of range\n");
		return(-1);
	}
	rc = readbin_op(offset, len);
	if (rc < 0)
		return(rc);
	display_sim_resp_in_hex();
	return(0);
}

cmd_readrec(argc, argv)
	char **argv;
{
	unsigned recno, len;
	int rc;

	recno = strtoul(argv[1], 0, 0);
	if (recno < 1 || recno > 255) {
		fprintf(stderr,
			"error: record number argument is out of range\n");
		return(-1);
	}
	if (argv[2]) {
		len = strtoul(argv[2], 0, 0);
		if (len < 1 || len > 255) {
			fprintf(stderr,
				"error: length argument is out of range\n");
			return(-1);
		}
	} else {
		if (!curfile_record_len) {
			fprintf(stderr,
			"error: no current file record length is available\n");
			return(-1);
		}
		len = curfile_record_len;
	}
	rc = readrec_op(recno, 0x04, len);
	if (rc < 0)
		return(rc);
	display_sim_resp_in_hex();
	return(0);
}