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Check for failure of fgets when reading the captain's name, and don't 

allow it to be empty. From OpenBSD.
This commit is contained in:
dholland 2009-03-02 07:21:56 +00:00
parent 51cc47ce79
commit 53cddab9f9
1 changed files with 5 additions and 4 deletions
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9
games/sail/pl_main.c
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@ -1,4 +1,4 @@
/* $NetBSD: pl_main.c,v 1.17 2006/04/20 10:57:26 drochner Exp $ */
/* $NetBSD: pl_main.c,v 1.18 2009/03/02 07:21:56 dholland Exp $ */
/*
* Copyright (c) 1983, 1993
@ -34,7 +34,7 @@
#if 0
static char sccsid[] = "@(#)pl_main.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: pl_main.c,v 1.17 2006/04/20 10:57:26 drochner Exp $");
__RCSID("$NetBSD: pl_main.c,v 1.18 2009/03/02 07:21:56 dholland Exp $");
#endif
#endif /* not lint */
@ -205,8 +205,9 @@ reprint:
else {
printf("Your name, Captain? ");
fflush(stdout);
fgets(captain, sizeof captain, stdin);
if (!*captain)
if (fgets(captain, sizeof captain, stdin) == NULL)
strcpy(captain, "no name");
else if (*captain == '\0' || *captain == '\n')
strcpy(captain, "no name");
else
captain[strlen(captain) - 1] = '\0';