2019-05-17 02:16:16 -07:00
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// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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2021-08-25 07:35:30 -07:00
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//go:build linux && 386
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2019-05-17 02:16:16 -07:00
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package runtime
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import (
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"strconv"
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"syscall"
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)
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// Statfs returns the file system type (Unix only)
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func Statfs(path string) string {
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// Types of file systems that may be returned by `statfs`
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fsTypes := map[int32]string{
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0xadf5: "ADFS_SUPER_MAGIC",
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0xADFF: "AFFS_SUPER_MAGIC",
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0x42465331: "BEFS_SUPER_MAGIC",
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0x1BADFACE: "BFS_MAGIC",
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0x73757245: "CODA_SUPER_MAGIC",
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0x012FF7B7: "COH_SUPER_MAGIC",
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0x28cd3d45: "CRAMFS_MAGIC",
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0x1373: "DEVFS_SUPER_MAGIC",
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0x00414A53: "EFS_SUPER_MAGIC",
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0x137D: "EXT_SUPER_MAGIC",
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0xEF51: "EXT2_OLD_SUPER_MAGIC",
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0xEF53: "EXT4_SUPER_MAGIC",
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0x4244: "HFS_SUPER_MAGIC",
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0x9660: "ISOFS_SUPER_MAGIC",
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0x72b6: "JFFS2_SUPER_MAGIC",
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0x3153464a: "JFS_SUPER_MAGIC",
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0x137F: "MINIX_SUPER_MAGIC",
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0x138F: "MINIX_SUPER_MAGIC2",
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0x2468: "MINIX2_SUPER_MAGIC",
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0x2478: "MINIX2_SUPER_MAGIC2",
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0x4d44: "MSDOS_SUPER_MAGIC",
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0x564c: "NCP_SUPER_MAGIC",
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0x6969: "NFS_SUPER_MAGIC",
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0x5346544e: "NTFS_SB_MAGIC",
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0x9fa1: "OPENPROM_SUPER_MAGIC",
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0x9fa0: "PROC_SUPER_MAGIC",
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0x002f: "QNX4_SUPER_MAGIC",
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0x52654973: "REISERFS_SUPER_MAGIC",
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0x7275: "ROMFS_MAGIC",
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0x517B: "SMB_SUPER_MAGIC",
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0x012FF7B6: "SYSV2_SUPER_MAGIC",
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0x012FF7B5: "SYSV4_SUPER_MAGIC",
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0x01021994: "TMPFS_MAGIC",
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0x15013346: "UDF_SUPER_MAGIC",
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0x00011954: "UFS_MAGIC",
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0x9fa2: "USBDEVICE_SUPER_MAGIC",
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0x012FF7B4: "XENIX_SUPER_MAGIC",
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0x58465342: "XFS_SUPER_MAGIC",
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0x012FD16D: "_XIAFS_SUPER_MAGIC",
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}
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var fs syscall.Statfs_t
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err := syscall.Statfs(path, &fs)
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if err != nil {
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return strconv.Itoa(int(fs.Type))
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}
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if fsType, ok := fsTypes[fs.Type]; ok {
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return fsType
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}
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return strconv.Itoa(int(fs.Type))
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}
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