зеркало из https://github.com/golang/sys.git
74 строки
1.8 KiB
Go
74 строки
1.8 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build zos && s390x
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// +build zos,s390x
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package unix_test
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import (
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"os"
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"testing"
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"unsafe"
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"golang.org/x/sys/unix"
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)
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func TestFstatfs(t *testing.T) {
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wd, err := os.Getwd()
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if err != nil {
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t.Fatal(err)
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}
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file, err := os.Open(wd)
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if err != nil {
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t.Fatal(err)
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}
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//Query Statfs_t and Statvfs_t from wd, check content
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var stat unix.Statfs_t
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err = unix.Fstatfs(int(file.Fd()), &stat)
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if err != nil {
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t.Fatal(err)
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}
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var stat_v unix.Statvfs_t
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err = unix.Fstatvfs(int(file.Fd()), &stat_v)
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if stat.Bsize != stat_v.Bsize ||
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stat.Blocks != stat_v.Blocks ||
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stat.Bfree != stat_v.Bfree ||
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stat.Bavail != stat_v.Bavail ||
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stat.Files != stat_v.Files ||
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stat.Ffree != stat_v.Ffree ||
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stat.Fsid != stat_v.Fsid ||
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stat.Namelen != stat_v.Namemax ||
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stat.Frsize != stat_v.Frsize ||
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stat.Flags != stat_v.Flag {
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t.Errorf("Mismatching fields in Statfs_t and Statvfs_t.\nStatfs_t = %+v\nStatvfs_t = %+v", stat, stat_v)
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}
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//Initialize W_Mntent, find corresponding device and check filesystem type
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var mnt_ent_buffer struct {
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header unix.W_Mnth
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filesys_info [128]unix.W_Mntent
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}
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var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer))
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var fs_count int = -1
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for fs_count < 0 {
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fs_count, err = unix.W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size)
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if err != nil {
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t.Fatal(err)
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}
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for i := 0; i < fs_count; i++ {
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if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) {
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correct_type := uint32(mnt_ent_buffer.filesys_info[i].Fstname[0])
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if stat.Type != correct_type {
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t.Errorf("File system type is 0x%x. Should be 0x%x instead", stat.Type, correct_type)
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}
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return
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}
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}
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}
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}
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