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make: fix variable lifetime when initializing MAKE and .MAKE 

The pathbuf buffer is aliased by abspath, which later escapes the block
where the buffer is declared.
This commit is contained in:
rillig 2024-06-01 12:17:41 +00:00
parent bef27c5733
commit 37273b4570
1 changed files with 3 additions and 3 deletions
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6
usr.bin/make/main.c
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@ -1,4 +1,4 @@
/* $NetBSD: main.c,v 1.620 2024/06/01 07:37:19 sjg Exp $ */
/* $NetBSD: main.c,v 1.621 2024/06/01 12:17:41 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@ -111,7 +111,7 @@
#include "trace.h"
/* "@(#)main.c 8.3 (Berkeley) 3/19/94" */
MAKE_RCSID("$NetBSD: main.c,v 1.620 2024/06/01 07:37:19 sjg Exp $");
MAKE_RCSID("$NetBSD: main.c,v 1.621 2024/06/01 12:17:41 rillig Exp $");
#if defined(MAKE_NATIVE)
__COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
"The Regents of the University of California. "
@ -1126,9 +1126,9 @@ static void
InitVarMake(const char *argv0)
{
const char *make = argv0;
char pathbuf[MAXPATHLEN];
if (argv0[0] != '/' && strchr(argv0, '/') != NULL) {
char pathbuf[MAXPATHLEN];
const char *abspath = cached_realpath(argv0, pathbuf);
struct stat st;
if (abspath != NULL && abspath[0] == '/' &&