lvm2/tools/lvdisplay.c

/*
 * Copyright (C) 2001  Sistina Software
 *
 * LVM is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * LVM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with LVM; see the file COPYING.  If not, write to
 * the Free Software Foundation, 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

#include "tools.h"

static int _lvdisplay_single(struct cmd_context *cmd, struct logical_volume *lv,
			     void *handle)
{
	if (arg_count(cmd, colon_ARG))
		lvdisplay_colons(lv);
	else {
		lvdisplay_full(cmd, lv, handle);
		if (arg_count(cmd, maps_ARG))
			lvdisplay_segments(lv);
	}

	return ECMD_PROCESSED;
}

int lvdisplay(struct cmd_context *cmd, int argc, char **argv)
{
	if (arg_count(cmd, columns_ARG)) {
		if (arg_count(cmd, colon_ARG) || arg_count(cmd, maps_ARG)) {
			log_error("Incompatible options selected");
			return EINVALID_CMD_LINE;
		}
		return lvs(cmd, argc, argv);
	} else if (arg_count(cmd, aligned_ARG) ||
		   arg_count(cmd, noheadings_ARG) ||
		   arg_count(cmd, options_ARG) ||
		   arg_count(cmd, separator_ARG) ||
		   arg_count(cmd, sort_ARG) || arg_count(cmd, unbuffered_ARG)) {
		log_error("Incompatible options selected");
		return EINVALID_CMD_LINE;
	}

	if (arg_count(cmd, colon_ARG) && arg_count(cmd, verbose_ARG)) {
		log_error("Options -v and -c are incompatible");
		return EINVALID_CMD_LINE;
	}

	return process_each_lv(cmd, argc, argv, LCK_VG_READ, NULL,
			       &_lvdisplay_single);
}