/***********************************************************************/
/* MANEXT - Extract manual pages from C source code.                   */
/***********************************************************************/
/*
 * MANEXT - A program to extract manual pages from C source code.
 * Copyright (C) 1991-1996 Mark Hessling
 *
 * This program 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 of
 * the License, or any later version.
 *
 * This program 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 this program; if not, write to:
 *
 *    The Free Software Foundation, Inc.
 *    675 Mass Ave,
 *    Cambridge, MA 02139 USA.
 *
 *
 * If you make modifications to this software that you feel increases
 * it usefulness for the rest of the community, please email the
 * changes, enhancements, bug fixes as well as any and all ideas to me.
 * This software is going to be maintained and enhanced as deemed
 * necessary by the community.
 *
 * Mark Hessling                 Email:             M.Hessling@qut.edu.au
 * PO Box 203                    Phone:                    +617 3849 7731
 * Bellara
 * QLD 4507                      **** Maintainer PDCurses & REXX/SQL ****
 * Australia                     ************* Author of THE ************
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_LINE 255

void display_info()
{
	fprintf(stderr,
		"\nMANEXT 1.02 Copyright (C) 1991-1996 Mark Hessling\n"
		"All rights reserved.\n"
		"MANEXT is distributed under the terms of the GNU\n"
		"General Public License and comes with NO WARRANTY.\n"
		"See the file COPYING for details.\n"
		"\nUsage: manext sourcefile [...]\n\n");
}

int main(int argc, char **argv)
{
	char s[MAX_LINE + 1];		/* input line */
	int i;
	FILE *fp;

#ifdef __EMX__
	_wildcard(&argc, &argv);
#endif
	if (strcmp(argv[1], "-h") == 0)
	{
	    display_info();
	    exit(1);
	}

	for (i = 1; i < argc; i++)
	{
	    if ((fp = fopen(argv[i], "r")) == NULL)
	    {
		fprintf(stderr, "\nCould not open %s\n", argv[i]);
		continue;
	    }

	    while (1)
	    {
		if (fgets(s, (int)sizeof(s), fp) == NULL)
		{
		    if (ferror(fp) != 0)
		    {
			fprintf(stderr, "*** Error reading %s.  Exiting.\n",
			    argv[i]);
			exit(1);
		    }

		    break;
		}

		/* check for manual entry marker at beginning of line */

		if (strncmp(s, "/*man-start*", 12) != 0)
			continue;

		/* inner loop */

		for (;;)
		{
		    /* read next line of manual entry */

		    if (fgets(s, (int)sizeof(s), fp) == NULL)
		    {
			if (ferror(fp) != 0)
			{
			    fprintf(stderr, "*** Error reading %s.  Exiting.\n",
				argv[i]);
			    exit(1);
			}

			break;
		    }

		    /* check for end of entry marker */

		    if (strncmp(s, "**man-end", 9) == 0)
			break;

		    printf("%s", s);
		}

		printf("\n\n-----------------------------------"
			"---------------------------------------\n\n");

		/* check if end of file */

		if (feof(fp) != 0)
			break;
	    }

	    fclose(fp);
	}

	return 0;
}