/* ==== fc_display.c ========================================================
 * Copyright (c) 1995 by Chris Provenzano, proven@mit.edu
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *  This product includes software developed by Chris Provenzano.
 * 4. The name of Chris Provenzano may not be used to endorse or promote 
 *	  products derived from this software without specific prior written
 *	  permission.
 *
 * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY 
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
 * SUCH DAMAGE.
 *
 * Description : Display the data in a reasonalbe fassion
 *
 *  1.00 95/06/28  proven
 *      -Started coding this file.
 */

#include <stdio.h>
#include <errno.h>
#include "util.h"
#include "fc.h"

static int fc_compare(char ** a, char ** b)
{
	return(strcmp(*a, *b));
}

/* ==========================================================================
 * fc_display()
 */
void fc_display(char ** strings, int count)
{
	int datacount, linecount, linemod, maxlen, len, i, j;
	int windowsize = 80;
	char fmt[10];

	qsort(strings, count, sizeof(char *), fc_compare);
	for (i = 0, maxlen = 1; i < count; i++) {
		if (maxlen < (len = strlen(strings[i]) + 2)) {
			maxlen = len;
		}
	}
	/* Need to get the window size here */
	if (maxlen < windowsize) {
		datacount = windowsize / maxlen;
		linecount = count / datacount;
		linemod = count % datacount;
		sprintf(fmt, "%%-%ds", maxlen);
		for (i = 0; i < linecount; i++) {
			for (j = 0; j < datacount; j++) {
				if (j >= linemod) {
					printf(fmt, strings[i + (linecount * j) + linemod]);
				} else {
					printf(fmt, strings[i + ((linecount + 1)) * j]);
				}
			}
			printf("\n");
		}
		if (linemod) {
			for (j = 0; j < linemod; j++) {
				printf(fmt, strings[i + ((linecount + 1) * j)]);
			}
			printf("\n");
		}
	} else {
		for (i = 0; i < count; i++) {
			printf("%s\n", strings[i]);
		}
	}
}