/**
 * $Id:$
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * The contents of this file may be used under the terms of either the GNU
 * General Public License Version 2 or later (the "GPL", see
 * http://www.gnu.org/licenses/gpl.html ), or the Blender License 1.0 or
 * later (the "BL", see http://www.blender.org/BL/ ) which has to be
 * bought from the Blender Foundation to become active, in which case the
 * above mentioned GPL option does not apply.
 *
 * The Original Code is Copyright (C) 1997 by Ton Roosendaal, Frank van Beek and Joeri Kassenaar.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

/* tracesversion.c	nov. 92 

 * 
 * Dit programma laadt de file "lasttracesversion",  hoogt het eerst
 * daarin gevonden nummer op met 1 en schrijft het over.
 * 
 * Vervolgens wordt de traces ingelezen en daarin gezocht naar
 * de string "TracesVersion Develop".
 * Op de plek van "Develop" wordt het nummer geschreven.
 * De gewijzigde traces wordt daarna in de /usr/people/bin geschreven.
 * 
 * cc makeblender.c -o makeblender
 */


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


void main()
{
	long version, file, filelen;
	char str[50], *traces, *cp;

	strcpy(str, "traces");
	file=open(str,O_RDONLY);
	if(file== -1) {
		printf("Can't find traces\n");
		exit(0);
	}
	filelen=lseek(file,0,2);	/* seek end */
	lseek(file,0,0);		/* en weer terug */
	traces= (char *)malloc(filelen);
	read(file, traces, filelen);
	close(file);

	cp= traces+filelen-20;
	while(cp>traces) {
		if( *cp=='T' || *(cp)=='t' ) {
			if( *(cp+1)=='R' || *(cp+1)=='r' ) {
				if( *(cp+2)=='A' || *(cp+2)=='a' ) {
					if( *(cp+3)=='C' || *(cp+3)=='c' ) {
						if( *(cp+4)=='E' || *(cp+4)=='e' ) {
							if( *(cp+5)=='S' || *(cp+5)=='s' ) {
								if( *(cp+6)==' ') {
									cp[0]= 'B';
									cp[1]= 'L';
									cp[2]= 'E';
									cp[3]= 'N';
									cp[4]= 'D';
									cp[5]= 'E';
									cp[6]= 'R';
									cp-= 6;
								}
							}
						}
					}
				}
			}
		}
		cp--;
	}

	strcpy(str, "/usr/people/bin/blender");
	file=open(str,O_WRONLY+O_CREAT+O_TRUNC);
	if(file== -1) {
		printf("Can't write bin/blender");
		free(traces);
		exit(0);
	}
	fchmod(file,0775);
	write(file, traces, filelen);
	close(file);
	printf("New blender written\n");
	free(traces);
	exit(0);

}