Fix a segfault if 'wear' is used without an argument or with

an argument that is not a valid word from the battlestar dictionary.

PR:		36992
Submitted by:	Ceri Davies <ceri@FreeBSD.org>
Reviewed by:	dd
Approved by:	dd, silence on -audit
MFC after:	2 weeks

1 files changed, 4 insertions, 5 deletions

diff --git a/games/battlestar/com2.c b/games/battlestar/com2.c
index f8b0f38..d41d6037 100644
--- a/games/battlestar/com2.c
+++ b/games/battlestar/com2.c
@@ -51,13 +51,12 @@ wearit()		/* synonyms = {sheathe, sheath} */
 	while(wordtype[++wordnumber] == ADJS);
 	while(wordnumber <= wordcount){
 		value = wordvalue[wordnumber];
+		if (value == -1) {
+			puts("Wear what?");
+			return (firstnumber);
+		}
 		for (n=0; objsht[value][n]; n++);
 		switch(value){
-
-			case -1:
-				puts("Wear what?");
-				return(firstnumber);
-
 			default:
 				printf("You can't wear%s%s!\n",(objsht[value][n-1] == 's' ? " " : " a "),objsht[value]);
 				return(firstnumber);