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be more cautious about preserving cwd

This commit is contained in:
hubertf 1999-03-20 00:29:19 +00:00
parent 0d19945594
commit 2b8601f04f
1 changed files with 12 additions and 3 deletions
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15
usr.sbin/pkg_install/delete/perform.c
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@ -1,11 +1,11 @@
/* $NetBSD: perform.c,v 1.19 1999/03/09 10:01:12 agc Exp $ */
/* $NetBSD: perform.c,v 1.20 1999/03/20 00:29:19 hubertf Exp $ */
#include <sys/cdefs.h>
#ifndef lint
#if 0
static const char *rcsid = "from FreeBSD Id: perform.c,v 1.15 1997/10/13 15:03:52 jkh Exp";
#else
__RCSID("$NetBSD: perform.c,v 1.19 1999/03/09 10:01:12 agc Exp $");
__RCSID("$NetBSD: perform.c,v 1.20 1999/03/20 00:29:19 hubertf Exp $");
#endif
#endif
@ -638,8 +638,17 @@ int
pkg_perform(char **pkgs)
{
int i, err_cnt = 0;
int oldcwd;
for (i = 0; pkgs[i]; i++)
/* save cwd */
oldcwd=open(".", O_RDONLY, 0);
if (oldcwd == -1)
err(1, "cannot open \".\"");
for (i = 0; pkgs[i]; i++) {
err_cnt += pkg_do(pkgs[i]);
if (fchdir(oldcwd) == FAIL)
err(1,"unable to change to previous directory");
}
return err_cnt;
}