view simtool/smsp_erase.c @ 64:8cd4771bdd79

doc/User-oriented-commands: document started
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Feb 2021 19:01:04 +0000
parents 10030acba82f
children
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/*
 * This module implements the smsp-erase family of commands.
 */

#include <sys/types.h>
#include <string.h>
#include <strings.h>
#include <stdio.h>
#include <stdlib.h>
#include "curfile.h"

cmd_smsp_erase_all(argc, argv)
	char **argv;
{
	int rc;
	unsigned recno;
	u_char record[255];

	rc = select_ef_smsp();
	if (rc < 0)
		return(rc);
	memset(record, 0xFF, curfile_record_len);
	for (recno = 1; recno <= curfile_record_count; recno++) {
		rc = update_rec_op(recno, 0x04, record, curfile_record_len);
		if (rc < 0)
			return(rc);
	}
	return(0);
}

cmd_smsp_erase_one(argc, argv)
	char **argv;
{
	int rc;
	unsigned recno;
	u_char record[255];

	rc = select_ef_smsp();
	if (rc < 0)
		return(rc);
	recno = strtoul(argv[1], 0, 0);
	if (recno < 1 || recno > curfile_record_count) {
		fprintf(stderr, "error: specified record number is invalid\n");
		return(-1);
	}
	memset(record, 0xFF, curfile_record_len);
	return update_rec_op(recno, 0x04, record, curfile_record_len);
}

cmd_smsp_erase_range(argc, argv)
	char **argv;
{
	int rc;
	unsigned recno, startrec, endrec;
	u_char record[255];

	rc = select_ef_smsp();
	if (rc < 0)
		return(rc);
	startrec = strtoul(argv[1], 0, 0);
	if (startrec < 1 || startrec > curfile_record_count) {
		fprintf(stderr,
			"error: specified starting record number is invalid\n");
		return(-1);
	}
	if (!strcmp(argv[2], "end"))
		endrec = curfile_record_count;
	else {
		endrec = strtoul(argv[2], 0, 0);
		if (endrec < 1 || endrec > curfile_record_count) {
			fprintf(stderr,
			"error: specified final record number is invalid\n");
			return(-1);
		}
		if (startrec > endrec) {
			fprintf(stderr,
				"error: reverse record range specified\n");
			return(-1);
		}
	}
	memset(record, 0xFF, curfile_record_len);
	for (recno = startrec; recno <= endrec; recno++) {
		rc = update_rec_op(recno, 0x04, record, curfile_record_len);
		if (rc < 0)
			return(rc);
	}
	return(0);
}