/*
 * This module implements the pb-erase command.
 */

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

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

	rc = phonebook_op_common(argv[1], &pb_record_len, &pb_record_count);
	if (rc < 0)
		return(rc);
	memset(record, 0xFF, pb_record_len);
	for (recno = 1; recno <= pb_record_count; recno++) {
		rc = update_rec_op(recno, 0x04, record, pb_record_len);
		if (rc < 0)
			return(rc);
	}
	return(0);
}

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

	rc = phonebook_op_common(argv[1], &pb_record_len, &pb_record_count);
	if (rc < 0)
		return(rc);
	recno = strtoul(argv[2], 0, 0);
	if (recno < 1 || recno > pb_record_count) {
		fprintf(stderr, "error: specified record number is invalid\n");
		return(-1);
	}
	memset(record, 0xFF, pb_record_len);
	return update_rec_op(recno, 0x04, record, pb_record_len);
}

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

	rc = phonebook_op_common(argv[1], &pb_record_len, &pb_record_count);
	if (rc < 0)
		return(rc);
	startrec = strtoul(argv[2], 0, 0);
	if (startrec < 1 || startrec > pb_record_count) {
		fprintf(stderr,
			"error: specified starting record number is invalid\n");
		return(-1);
	}
	endrec = strtoul(argv[3], 0, 0);
	if (endrec < 1 || endrec > pb_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, pb_record_len);
	for (recno = startrec; recno <= endrec; recno++) {
		rc = update_rec_op(recno, 0x04, record, pb_record_len);
		if (rc < 0)
			return(rc);
	}
	return(0);
}