--- a/razip.c	2011-10-20 11:05:21.020305754 -0700
+++ b/razip.c	2011-10-20 11:48:26.208271871 -0700
@@ -79,7 +79,13 @@
 			if(pstdout){
 				f_dst = fileno(stdout);
 			} else {
-				char *name = malloc(sizeof(strlen(argv[optind]) + 5));
+				char *name = (char *)malloc(sizeof(char) * (strlen(argv[optind]) + 5));
+				if (name == NULL)
+				{
+					fprintf(stderr, " -- Out of memory --\n");
+					return 1;
+				}
+
 				strcpy(name, argv[optind]);
 				strcat(name, ".rz");
 				f_dst = write_open(name, is_forced);