wm: teppich

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simplify a little

--- a/cmd/rc.c

+++ b/cmd/rc.c

@@ -22,10 +22,8 @@

 	}

 	/* free the memory, whetever if we found a match or not */

-	for(int j = 0 ; j < argc ; j++)

-	{

+	for(int j = 0 ; j < argc+1 ; j++)

 		free(argv[j]);

-	}

 	free(argv0);

 	return status;

 }

@@ -51,7 +49,10 @@

 	{

 		for(argc = 0 ; argc < (strccnt(cmd, ' ') + 1) ; argc++)

 			argv[argc] = strcntok(cmd, ' ', argc);

+

+		argv[argc+1] = '\0'; /* just in case */

 	}

+

 	return exec(argc, argv0, argv, cwd);

 }

@@ -64,7 +65,6 @@

 	cwd = "/";

 	int i = 0;

 	cmd = malloc(25);

-	memset(cmd, 0, 25);

 	printf("> ");

 	while(1)

@@ -79,7 +79,7 @@

 				printf("No such command\n");

 			/* clear the mess */

-			memset(cmd, 0, 25);

+			memset(cmd, '\0', 25);

 			i = 0;

 			printf("> ");