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since ln(1) now uses linkat(2) provide a dumb wrapper.

This commit is contained in:
christos 2017-06-06 19:48:42 +00:00
parent 8bbf9e0cc7
commit a3ddac400c
1 changed files with 21 additions and 2 deletions
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23
lib/librumphijack/hijack.c
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@ -1,4 +1,4 @@
/* $NetBSD: hijack.c,v 1.122 2017/02/16 08:08:01 ozaki-r Exp $ */
/* $NetBSD: hijack.c,v 1.123 2017/06/06 19:48:42 christos Exp $ */
/*-
* Copyright (c) 2011 Antti Kantee. All Rights Reserved.
@ -34,7 +34,7 @@
#include <rump/rumpuser_port.h>
#if !defined(lint)
__RCSID("$NetBSD: hijack.c,v 1.122 2017/02/16 08:08:01 ozaki-r Exp $");
__RCSID("$NetBSD: hijack.c,v 1.123 2017/06/06 19:48:42 christos Exp $");
#endif
#include <sys/param.h>
@ -162,6 +162,9 @@ enum dualcall {
#ifdef HAVE___QUOTACTL
DUALCALL_QUOTACTL,
#endif
#ifdef __NetBSD__
DUALCALL_LINKAT,
#endif
DUALCALL__NUM
};
@ -379,6 +382,9 @@ struct sysnames {
{ DUALCALL_QUOTACTL, "__quotactl", RSYS_NAME(__QUOTACTL) },
#endif /* HAVE___QUOTACTL */
#ifdef __NetBSD__
{ DUALCALL_LINKAT, "linkat", RSYS_NAME(LINKAT) },
#endif
};
#undef S
@ -1271,6 +1277,19 @@ moveish(const char *from, const char *to,
return op(from, to);
}
#ifdef __NetBSD__
int
linkat(int fromfd, const char *from, int tofd, const char *to, int flags)
{
if (fromfd != AT_FDCWD || tofd != AT_FDCWD
|| flags != AT_SYMLINK_FOLLOW)
return ENOSYS;
return moveish(from, to,
GETSYSCALL(rump, LINK), GETSYSCALL(host, LINK));
}
#endif
int
link(const char *from, const char *to)
{