Merge branch 'u-boot/master'

[karo-tx-uboot.git] / common / cmd_itest.c

diff --git a/common/cmd_itest.c b/common/cmd_itest.c
index 2c8e5d05e141ddf936d2b4b6fdf122730ed600dc..ae2527bfecdb8e2d55ad211bf6de6715a922f752 100644 (file)
--- a/common/cmd_itest.c
+++ b/common/cmd_itest.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2003
  * Tait Electronics Limited, Christchurch, New Zealand
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.         See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 /*
@@ -87,6 +71,19 @@ static char * evalstr(char *s)
        /* if the parameter starts with a * then assume a string pointer else its a literal */
        if (s[0] == '*') {
                return (char *)simple_strtoul(&s[1], NULL, 16);
+       } else if (s[0] == '$') {
+               int i = 2;
+
+               if (s[1] != '{')
+                       return NULL;
+
+               while (s[i] != '}') {
+                       if (s[i] == 0)
+                               return NULL;
+                       i++;
+               }
+               s[i] = 0;
+               return  getenv((const char *)&s[2]);
        } else {
                return s;
        }