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;
}