strace/oldstat.c

66 lines
1.7 KiB
C

/*
* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
* Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#include "asm_stat.h"
#include "stat.h"
#ifdef HAVE_STRUCT___OLD_KERNEL_STAT
static void
print_old_kernel_stat(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct __old_kernel_stat buf;
if (umove_or_printaddr(tcp, addr, &buf))
return;
struct strace_stat st = {
.dev = zero_extend_signed_to_ull(buf.st_dev),
.ino = zero_extend_signed_to_ull(buf.st_ino),
.rdev = zero_extend_signed_to_ull(buf.st_rdev),
.size = zero_extend_signed_to_ull(buf.st_size),
.mode = zero_extend_signed_to_ull(buf.st_mode),
.nlink = zero_extend_signed_to_ull(buf.st_nlink),
.uid = zero_extend_signed_to_ull(buf.st_uid),
.gid = zero_extend_signed_to_ull(buf.st_gid),
.atime = sign_extend_unsigned_to_ll(buf.st_atime),
.ctime = sign_extend_unsigned_to_ll(buf.st_ctime),
.mtime = sign_extend_unsigned_to_ll(buf.st_mtime)
};
print_struct_stat(tcp, &st);
}
SYS_FUNC(oldstat)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_old_kernel_stat(tcp, tcp->u_arg[1]);
}
return 0;
}
SYS_FUNC(oldfstat)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_old_kernel_stat(tcp, tcp->u_arg[1]);
}
return 0;
}
#endif /* HAVE_STRUCT___OLD_KERNEL_STAT */