X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cmd%2Fitest.c;h=fd6f4166f16cf1dad96a681892ce5f96b3fc0352;hb=f37770c7707b9c11e1832005392a3b049b9fdf14;hp=60626c7fe9c3d983d247aeee6f89b76548a189b5;hpb=d77fa2ff766bbb4b867e791187f78b6033071613;p=oweals%2Fu-boot.git

diff --git a/cmd/itest.c b/cmd/itest.c
index 60626c7fe9..fd6f4166f1 100644
--- a/cmd/itest.c
+++ b/cmd/itest.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2003
  * Tait Electronics Limited, Christchurch, New Zealand
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
@@ -80,7 +79,8 @@ static long evalexp(char *s, int w)
 		l = simple_strtoul(s, NULL, 16);
 	}
 
-	return l & ((1UL << (w * 8)) - 1);
+	/* avoid overflow on mask calculus */
+	return (w >= sizeof(long)) ? l : (l & ((1UL << (w * 8)) - 1));
 }
 
 static char * evalstr(char *s)
@@ -100,7 +100,7 @@ static char * evalstr(char *s)
 			i++;
 		}
 		s[i] = 0;
-		return  getenv((const char *)&s[2]);
+		return  env_get((const char *)&s[2]);
 	} else {
 		return s;
 	}