common/cmd_license.c

   1 /*
   2  * (C) Copyright 2007 by OpenMoko, Inc.
   3  * Author: Harald Welte <laforge@openmoko.org>
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 #include <common.h>
  25
  26 #if defined(CONFIG_CMD_LICENSE)
  27
  28 /* COPYING is currently 15951 bytes in size */
  29 #define LICENSE_MAX     20480
  30
  31 #include <command.h>
  32 #include <malloc.h>
  33 #include <license.h>
  34 int gunzip(void *, int, unsigned char *, unsigned long *);
  35
  36 int do_license(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
  37 {
  38         char *tok, *dst = malloc(LICENSE_MAX);
  39         unsigned long len = LICENSE_MAX;
  40
  41         if (!dst)
  42                 return -1;
  43
  44         if (gunzip(dst, LICENSE_MAX, license_gz, &len) != 0) {
  45                 printf("Error uncompressing license text\n");
  46                 free(dst);
  47                 return -1;
  48         }
  49         puts(dst);
  50         free(dst);
  51
  52         return 0;
  53 }
  54
  55 U_BOOT_CMD(license, 1, 1, do_license,
  56            "print GPL license text",
  57            NULL);
  58
  59 #endif /* CONFIG_CMD_LICENSE */