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make(1): fix out-of-bounds pointer in ArchStatMember (since 1993-03-21)

This commit is contained in:
rillig 2020-11-07 13:34:46 +00:00
parent 1f17fbd4ea
commit 1c3d769b00
1 changed files with 3 additions and 4 deletions
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7
usr.bin/make/arch.c
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@ -1,4 +1,4 @@
/* $NetBSD: arch.c,v 1.167 2020/11/07 13:29:38 rillig Exp $ */
/* $NetBSD: arch.c,v 1.168 2020/11/07 13:34:46 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@ -125,7 +125,7 @@
#include "config.h"
/* "@(#)arch.c 8.2 (Berkeley) 1/2/94" */
MAKE_RCSID("$NetBSD: arch.c,v 1.167 2020/11/07 13:29:38 rillig Exp $");
MAKE_RCSID("$NetBSD: arch.c,v 1.168 2020/11/07 13:34:46 rillig Exp $");
typedef struct List ArchList;
typedef struct ListNode ArchListNode;
@ -505,9 +505,8 @@ ArchStatMember(const char *archive, const char *member, Boolean addToCache)
memcpy(memName, arh.ar_name, sizeof arh.ar_name);
nameend = memName + AR_MAX_NAME_LEN;
while (*nameend == ' ') {
while (nameend > memName && *nameend == ' ')
nameend--;
}
nameend[1] = '\0';
#ifdef SVR4ARCHIVES