Zap another buffer overflow, this time in the parser.

MFC after: 2 weeks
2002-11-01 12:09:05 +00:00 · 2002-11-01 12:09:05 +00:00 · d46cc38f4f
commit d46cc38f4f
parent b351ca8597
1 changed files with 2 additions and 0 deletions
--- a/usr.bin/mkstr/mkstr.c
+++ b/usr.bin/mkstr/mkstr.c
@ -191,6 +191,8 @@ copystr(void)
 	char *cp = buf;

 	for (;;) {
+		if (cp == buf + sizeof(buf) - 2)
+			errx(1, "message too long");
 		c = getchar();
 		if (c == EOF)
 			break;