diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/fstatfs_zos.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/fstatfs_zos.go | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/vendor/golang.org/x/sys/unix/fstatfs_zos.go b/vendor/golang.org/x/sys/unix/fstatfs_zos.go deleted file mode 100644 index e377cc9..0000000 --- a/vendor/golang.org/x/sys/unix/fstatfs_zos.go +++ /dev/null @@ -1,164 +0,0 @@ -// Copyright 2020 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -//go:build zos && s390x -// +build zos,s390x - -package unix - -import ( - "unsafe" -) - -// This file simulates fstatfs on z/OS using fstatvfs and w_getmntent. - -func Fstatfs(fd int, stat *Statfs_t) (err error) { - var stat_v Statvfs_t - err = Fstatvfs(fd, &stat_v) - if err == nil { - // populate stat - stat.Type = 0 - stat.Bsize = stat_v.Bsize - stat.Blocks = stat_v.Blocks - stat.Bfree = stat_v.Bfree - stat.Bavail = stat_v.Bavail - stat.Files = stat_v.Files - stat.Ffree = stat_v.Ffree - stat.Fsid = stat_v.Fsid - stat.Namelen = stat_v.Namemax - stat.Frsize = stat_v.Frsize - stat.Flags = stat_v.Flag - for passn := 0; passn < 5; passn++ { - switch passn { - case 0: - err = tryGetmntent64(stat) - break - case 1: - err = tryGetmntent128(stat) - break - case 2: - err = tryGetmntent256(stat) - break - case 3: - err = tryGetmntent512(stat) - break - case 4: - err = tryGetmntent1024(stat) - break - default: - break - } - //proceed to return if: err is nil (found), err is nonnil but not ERANGE (another error occurred) - if err == nil || err != nil && err != ERANGE { - break - } - } - } - return err -} - -func tryGetmntent64(stat *Statfs_t) (err error) { - var mnt_ent_buffer struct { - header W_Mnth - filesys_info [64]W_Mntent - } - var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer)) - fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size) - if err != nil { - return err - } - err = ERANGE //return ERANGE if no match is found in this batch - for i := 0; i < fs_count; i++ { - if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) { - stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0]) - err = nil - break - } - } - return err -} - -func tryGetmntent128(stat *Statfs_t) (err error) { - var mnt_ent_buffer struct { - header W_Mnth - filesys_info [128]W_Mntent - } - var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer)) - fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size) - if err != nil { - return err - } - err = ERANGE //return ERANGE if no match is found in this batch - for i := 0; i < fs_count; i++ { - if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) { - stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0]) - err = nil - break - } - } - return err -} - -func tryGetmntent256(stat *Statfs_t) (err error) { - var mnt_ent_buffer struct { - header W_Mnth - filesys_info [256]W_Mntent - } - var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer)) - fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size) - if err != nil { - return err - } - err = ERANGE //return ERANGE if no match is found in this batch - for i := 0; i < fs_count; i++ { - if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) { - stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0]) - err = nil - break - } - } - return err -} - -func tryGetmntent512(stat *Statfs_t) (err error) { - var mnt_ent_buffer struct { - header W_Mnth - filesys_info [512]W_Mntent - } - var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer)) - fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size) - if err != nil { - return err - } - err = ERANGE //return ERANGE if no match is found in this batch - for i := 0; i < fs_count; i++ { - if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) { - stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0]) - err = nil - break - } - } - return err -} - -func tryGetmntent1024(stat *Statfs_t) (err error) { - var mnt_ent_buffer struct { - header W_Mnth - filesys_info [1024]W_Mntent - } - var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer)) - fs_count, err := W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size) - if err != nil { - return err - } - err = ERANGE //return ERANGE if no match is found in this batch - for i := 0; i < fs_count; i++ { - if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) { - stat.Type = uint32(mnt_ent_buffer.filesys_info[i].Fstname[0]) - err = nil - break - } - } - return err -} |