Dmitry V. Levin
38a34c9349
Before this change, all files that exist since 20th century had copyright headers, while most files that appeared later didn't. This change fixes the inconsistency by adding missing copyright headers. It doesn't mean that copyright headers became maintained. In my view, git history provides much better information on this subject and is much more accurate than copyright headers.
236 lines
6.6 KiB
C
236 lines
6.6 KiB
C
/*
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* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
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* Copyright (c) 1993-1996 Rick Sladkey <jrs@world.std.com>
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* Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
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* Copyright (c) 2003 Ulrich Drepper <drepper@redhat.com>
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* Copyright (c) 2012 Andreas Schwab <schwab@linux-m68k.org>
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* Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#ifdef HAVE_SYS_VFS_H
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# include <sys/vfs.h>
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#endif
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#include "xlat/fsmagic.h"
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static const char *
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sprintfstype(const unsigned int magic)
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{
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static char buf[32];
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const char *s;
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s = xlat_search(fsmagic, ARRAY_SIZE(fsmagic), magic);
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if (s) {
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sprintf(buf, "\"%s\"", s);
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return buf;
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}
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sprintf(buf, "%#x", magic);
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return buf;
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}
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static void
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printstatfs(struct tcb *tcp, const long addr)
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{
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struct statfs statbuf;
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if (umove_or_printaddr(tcp, addr, &statbuf))
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return;
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tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%lu, f_bfree=%lu, ",
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sprintfstype(statbuf.f_type),
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(unsigned long)statbuf.f_bsize,
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(unsigned long)statbuf.f_blocks,
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(unsigned long)statbuf.f_bfree);
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tprintf("f_bavail=%lu, f_files=%lu, f_ffree=%lu, f_fsid={%d, %d}",
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(unsigned long)statbuf.f_bavail,
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(unsigned long)statbuf.f_files,
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(unsigned long)statbuf.f_ffree,
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statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
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tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
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#ifdef _STATFS_F_FRSIZE
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tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
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#endif
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#ifdef _STATFS_F_FLAGS
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tprintf(", f_flags=%lu", (unsigned long)statbuf.f_flags);
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#endif
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tprints("}");
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}
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SYS_FUNC(statfs)
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{
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if (entering(tcp)) {
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printpath(tcp, tcp->u_arg[0]);
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tprints(", ");
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} else {
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printstatfs(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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SYS_FUNC(fstatfs)
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{
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if (entering(tcp)) {
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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} else {
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printstatfs(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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#ifdef HAVE_STRUCT_STATFS64
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static void
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printstatfs64(struct tcb *tcp, long addr)
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{
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struct statfs64 statbuf;
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if (umove_or_printaddr(tcp, addr, &statbuf))
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return;
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tprintf("{f_type=%s, f_bsize=%llu, f_blocks=%llu, f_bfree=%llu, ",
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sprintfstype(statbuf.f_type),
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(unsigned long long)statbuf.f_bsize,
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(unsigned long long)statbuf.f_blocks,
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(unsigned long long)statbuf.f_bfree);
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tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
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(unsigned long long)statbuf.f_bavail,
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(unsigned long long)statbuf.f_files,
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(unsigned long long)statbuf.f_ffree,
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statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
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tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
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#ifdef _STATFS_F_FRSIZE
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tprintf(", f_frsize=%llu", (unsigned long long)statbuf.f_frsize);
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#endif
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#ifdef _STATFS_F_FLAGS
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tprintf(", f_flags=%llu", (unsigned long long)statbuf.f_flags);
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#endif
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tprints("}");
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}
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struct compat_statfs64 {
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uint32_t f_type;
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uint32_t f_bsize;
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uint64_t f_blocks;
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uint64_t f_bfree;
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uint64_t f_bavail;
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uint64_t f_files;
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uint64_t f_ffree;
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fsid_t f_fsid;
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uint32_t f_namelen;
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uint32_t f_frsize;
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uint32_t f_flags;
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uint32_t f_spare[4];
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}
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#if defined AARCH64 || defined X86_64 || defined X32 || defined IA64
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ATTRIBUTE_PACKED ATTRIBUTE_ALIGNED(4)
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#endif
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;
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#if defined AARCH64 || defined ARM
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/* See arch/arm/kernel/sys_oabi-compat.c for details. */
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# define COMPAT_STATFS64_PADDED_SIZE (sizeof(struct compat_statfs64) + 4)
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#endif
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static void
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printcompat_statfs64(struct tcb *tcp, const long addr)
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{
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struct compat_statfs64 statbuf;
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if (umove_or_printaddr(tcp, addr, &statbuf))
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return;
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tprintf("{f_type=%s, f_bsize=%lu, f_blocks=%llu, f_bfree=%llu, ",
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sprintfstype(statbuf.f_type),
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(unsigned long)statbuf.f_bsize,
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(unsigned long long)statbuf.f_blocks,
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(unsigned long long)statbuf.f_bfree);
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tprintf("f_bavail=%llu, f_files=%llu, f_ffree=%llu, f_fsid={%d, %d}",
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(unsigned long long)statbuf.f_bavail,
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(unsigned long long)statbuf.f_files,
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(unsigned long long)statbuf.f_ffree,
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statbuf.f_fsid.__val[0], statbuf.f_fsid.__val[1]);
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tprintf(", f_namelen=%lu", (unsigned long)statbuf.f_namelen);
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tprintf(", f_frsize=%lu", (unsigned long)statbuf.f_frsize);
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tprintf(", f_flags=%lu}", (unsigned long)statbuf.f_frsize);
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}
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static int
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do_statfs64_fstatfs64(struct tcb *tcp)
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{
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if (entering(tcp)) {
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tprintf(", %lu, ", tcp->u_arg[1]);
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} else {
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if (tcp->u_arg[1] == sizeof(struct statfs64))
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printstatfs64(tcp, tcp->u_arg[2]);
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else if (tcp->u_arg[1] == sizeof(struct compat_statfs64)
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#ifdef COMPAT_STATFS64_PADDED_SIZE
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|| tcp->u_arg[1] == COMPAT_STATFS64_PADDED_SIZE
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#endif
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)
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printcompat_statfs64(tcp, tcp->u_arg[2]);
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else
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tprints("{???}");
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}
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return 0;
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}
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SYS_FUNC(statfs64)
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{
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if (entering(tcp))
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printpath(tcp, tcp->u_arg[0]);
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return do_statfs64_fstatfs64(tcp);
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}
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SYS_FUNC(fstatfs64)
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{
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if (entering(tcp))
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printfd(tcp, tcp->u_arg[0]);
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return do_statfs64_fstatfs64(tcp);
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}
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#endif /* HAVE_STRUCT_STATFS64 */
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#ifdef ALPHA
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SYS_FUNC(osf_statfs)
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{
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if (entering(tcp)) {
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printpath(tcp, tcp->u_arg[0]);
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tprints(", ");
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} else {
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printstatfs(tcp, tcp->u_arg[1]);
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tprintf(", %lu", tcp->u_arg[2]);
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}
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return 0;
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}
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SYS_FUNC(osf_fstatfs)
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{
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if (entering(tcp)) {
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tprintf("%lu, ", tcp->u_arg[0]);
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} else {
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printstatfs(tcp, tcp->u_arg[1]);
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tprintf(", %lu", tcp->u_arg[2]);
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}
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return 0;
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}
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#endif /* ALPHA */
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