/*     palsave
*
*  Program to copy the contents of the hardware frame buffer's lookup table
*  to a disk file.
*  Tim Krauskopf   August 1987
*  National Center for Supercomputing Applications
*  University of Illinois
*  This program is in the public domain
*
*/
#include "pixrect/pixrect_hs.h"
#include "stdio.h"

char rmap[256],bmap[256],gmap[256];

struct pixrect *screen;

FILE *fp;

main(argc,argv)
	int argc;
	char *argv[];
	{
	register i;

	if (argc < 2) {
		printf("\n Usage: %s file \n",argv[0]);
		exit(1);
	}

	screen = pr_open("/dev/fb");
	pr_getcolormap(screen,0,256,rmap,gmap,bmap);
	pr_close(screen);

	if (0 > creat(argv[1],0777)) {
		puts("Error in creating new file");
		exit(2);
	}

    if (NULL == (fp = fopen(argv[1],"w"))) {
        puts("Error on palette file open ");
        exit(2);
    }
        fwrite(rmap,1,256,fp);
        fwrite(gmap,1,256,fp);
        fwrite(bmap,1,256,fp);

   fclose(fp);

}