fssetext.c

/*
 * CFLIB, a GEM library for ATARI/TOS
 * Copyright (C) 1999, 2000 Christian Felsch
 * 
 * Modified for FreeMiNT CVS by Frank Naumann <fnaumann@freemint.de>
 * 
 * Please send suggestions, patches or bug reports to me or
 * the MiNT mailing list.
 * 
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 * 
 */

#include "intern.h"
#include "file.h"


void set_extension(char *filename, char *new_ext)
{
	char *ptr = strrchr(filename, '.');
	char *slash = strrchr(filename, '\\');
	char *colon = strrchr(filename, ':');

	if (ptr == NULL || ptr == filename ||
		ptr < slash || ptr - slash == 1 || ptr - colon == 1)
	{
		ptr = filename + strlen(filename);
		*ptr = '.';
	}

	if (fs_case_sens(filename) == NO_CASE)
	{
		char myext[5];

		strcpy(myext, new_ext);
		str_toupper(myext);
		strcpy(ptr + 1, myext);
	}
	else
		strcpy(ptr + 1, new_ext);
}