/*
   * (C) Copyright 2000
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */
  
  #include <common.h>
  #include <command.h>
  
  static int do_unzip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  {
  	unsigned long src, dst;
  	unsigned long src_len = ~0UL, dst_len = ~0UL;

  
  	switch (argc) {
  		case 4:
  			dst_len = simple_strtoul(argv[3], NULL, 16);
  			/* fall through */
  		case 3:
  			src = simple_strtoul(argv[1], NULL, 16);
  			dst = simple_strtoul(argv[2], NULL, 16);
  			break;
  		default:

  			return CMD_RET_USAGE;

  	}
  
  	if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0)
  		return 1;
  
  	printf("Uncompressed size: %ld = 0x%lX
  ", src_len, src_len);

  	setenv_hex("filesize", src_len);

  
  	return 0;
  }
  
  U_BOOT_CMD(
  	unzip,	4,	1,	do_unzip,
  	"unzip a memory region",
  	"srcaddr dstaddr [dstsize]"
  );