$OpenBSD: patch-lib_calc_c,v 1.1 2002/08/02 01:50:34 wcobb Exp $
--- lib_calc.c.orig	Wed Jul 17 22:23:36 2002
+++ lib_calc.c	Wed Jul 17 22:25:22 2002
@@ -438,9 +438,14 @@ initenv(void)
 		if (ent == NULL) {
 			/* just assume . is home if all else fails */
 			home = ".";
+		} else {
+			home = (char *)malloc(strlen(ent->pw_dir)+1);
+			if (home == NULL) {
+				home = ".";
+			} else {
+				strcpy(home, ent->pw_dir);
+			}
 		}
-		home = (char *)malloc(strlen(ent->pw_dir)+1);
-		strcpy(home, ent->pw_dir);
 	}
 #endif /* Windoz free systems */