getgmr.c

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/* 
 * getgmr.c - Copy a file to the frame buffer.
 * 
 * Author:  Spencer W. Thomas
 *      Computer Science Dept.
 *      University of Utah
 * Date:    1 April 1981
 * Copyright (c) 1981 Spencer W. Thomas
 * 
 * $Id: getgmr.c,v 3.0.1.2 1992/01/28 18:51:16 spencer Exp $
 */

#include "rle_config.h"
#include "stdio.h"
#include "getfb.h"
#include "rle_code.h"

int x = 0, y = 0, posflag = 0, background = 0, query = 0, debug = 0,
    cflag = 0, getchan, putchan = -1;

main(argc, argv)
char **argv;
{
    char * fname = NULL;
    short magic;

    if (scanargs(argc, argv,
            "% D%- q%- BO%- Pi%-x!dy!d c%-channel!dinto%d file%s ",
            &debug,
            &query, &background, &posflag, &x, &y,
            &cflag, &getchan, &putchan, &fname) == 0)
        exit(1);

        fd = rle_open_f("getgmr", fname, "r");
    if ((!query) && Fbopen() < 0)
        exit(1);

    if (fread((char *)&magic, sizeof(short), 1, fd) != 1)
    {
        fprintf(stderr, "Can't read magic number\n");
        exit(1);
    }

    switch(magic)
    {
    case (RLE_MAGIC):
        if (query)
        fprintf(stderr, "Image saved in Run Length Encoded form\n");
        XtndRunGet(magic);
        break;

    default:
        fprintf(stderr,
        "File not an RLE file, can't restore (magic=0x%x)\n",
        magic);
        exit(1);
        break;
    }
    return 0;
}