cmd/license.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2007 by OpenMoko, Inc.
   4  * Author: Harald Welte <laforge@openmoko.org>
   5  */
   6
   7 #include <command.h>
   8 #include <gzip.h>
   9 #include <malloc.h>
  10
  11 #include "license_data_gz.h"
  12 #include "license_data_size.h"
  13
  14 static int do_license(struct cmd_tbl *cmdtp, int flag, int argc,
  15                       char *const argv[])
  16 {
  17         char *dst;
  18         unsigned long len = data_size;
  19         int ret = CMD_RET_SUCCESS;
  20
  21         dst = malloc(data_size + 1);
  22         if (!dst)
  23                 return CMD_RET_FAILURE;
  24
  25         ret = gunzip(dst, data_size, (unsigned char *)data_gz, &len);
  26         if (ret) {
  27                 printf("Error uncompressing license text\n");
  28                 ret = CMD_RET_FAILURE;
  29                 goto free;
  30         }
  31
  32         dst[data_size] = 0;
  33         puts(dst);
  34
  35 free:
  36         free(dst);
  37
  38         return ret;
  39 }
  40
  41 U_BOOT_CMD(
  42         license, 1, 1, do_license,
  43         "print GPL license text",
  44         ""
  45 );