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use standard strncpy() idiom to completely zero a buffer, including 

explicitly nul the final char.

found by GCC 12.
This commit is contained in:
mrg 2023-08-08 06:31:58 +00:00
parent 195e7a0895
commit 5b70d9ed1d
1 changed files with 4 additions and 3 deletions
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7
usr.sbin/timed/timed/timed.c
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@ -1,4 +1,4 @@
/* $NetBSD: timed.c,v 1.29 2022/10/16 16:44:15 rillig Exp $ */
/* $NetBSD: timed.c,v 1.30 2023/08/08 06:31:58 mrg Exp $ */
/*-
* Copyright (c) 1985, 1993 The Regents of the University of California.
@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1985, 1993\
#if 0
static char sccsid[] = "@(#)timed.c 8.2 (Berkeley) 3/26/95";
#else
__RCSID("$NetBSD: timed.c,v 1.29 2022/10/16 16:44:15 rillig Exp $");
__RCSID("$NetBSD: timed.c,v 1.30 2023/08/08 06:31:58 mrg Exp $");
#endif
#endif /* not lint */
@ -688,7 +688,8 @@ add_good_host(const char* name,
exit(EXIT_FAILURE);
}
(void)strncpy(&ghp->name[0], name, sizeof(ghp->name));
(void)strncpy(&ghp->name[0], name, sizeof(ghp->name) - 1);
ghp->name[sizeof(ghp->name) - 1] = 0;
ghp->next = goodhosts;
ghp->perm = perm;
goodhosts = ghp;