* (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+
*/
/*
l = simple_strtoul(s, NULL, 16);
}
- return (l & ((1 << (w * 8)) - 1));
+ return l & ((1UL << (w * 8)) - 1);
}
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;
}