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use destination buffer size not source buffer size for strncpy len.

This commit is contained in:
mrg 2019-10-04 11:40:43 +00:00
parent 0af6a5291a
commit f97b85d675
1 changed files with 8 additions and 8 deletions
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16
usr.bin/who/utmpentry.c
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@ -1,4 +1,4 @@
/* $NetBSD: utmpentry.c,v 1.18 2015/11/21 15:01:43 christos Exp $ */
/* $NetBSD: utmpentry.c,v 1.19 2019/10/04 11:40:43 mrg Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: utmpentry.c,v 1.18 2015/11/21 15:01:43 christos Exp $");
__RCSID("$NetBSD: utmpentry.c,v 1.19 2019/10/04 11:40:43 mrg Exp $");
#endif
#include <sys/stat.h>
@ -283,9 +283,9 @@ getentry(struct utmpentry *e, struct utmp *up)
* reason we use the size of the _source_ as the length
* argument.
*/
(void)strncpy(e->name, up->ut_name, sizeof(up->ut_name));
(void)strncpy(e->line, up->ut_line, sizeof(up->ut_line));
(void)strncpy(e->host, up->ut_host, sizeof(up->ut_host));
(void)strncpy(e->name, up->ut_name, sizeof(e->name));
(void)strncpy(e->line, up->ut_line, sizeof(e->line));
(void)strncpy(e->host, up->ut_host, sizeof(e->host));
e->tv.tv_sec = up->ut_time;
e->tv.tv_usec = 0;
@ -314,9 +314,9 @@ getentryx(struct utmpentry *e, struct utmpx *up)
* reason we use the size of the _source_ as the length
* argument.
*/
(void)strncpy(e->name, up->ut_name, sizeof(up->ut_name));
(void)strncpy(e->line, up->ut_line, sizeof(up->ut_line));
(void)strncpy(e->host, up->ut_host, sizeof(up->ut_host));
(void)strncpy(e->name, up->ut_name, sizeof(e->name));
(void)strncpy(e->line, up->ut_line, sizeof(e->line));
(void)strncpy(e->host, up->ut_host, sizeof(e->host));
e->tv = up->ut_tv;
e->pid = up->ut_pid;