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path: root/vendor/github.com/shirou/gopsutil/disk/disk_darwin.go
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// +build darwin

package disk

import (
	"context"
	"path"
	"unsafe"

	"github.com/shirou/gopsutil/internal/common"
	"golang.org/x/sys/unix"
)

func Partitions(all bool) ([]PartitionStat, error) {
	return PartitionsWithContext(context.Background(), all)
}

func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, error) {
	var ret []PartitionStat

	count, err := Getfsstat(nil, MntWait)
	if err != nil {
		return ret, err
	}
	fs := make([]Statfs, count)
	_, err = Getfsstat(fs, MntWait)
	for _, stat := range fs {
		opts := "rw"
		if stat.Flags&MntReadOnly != 0 {
			opts = "ro"
		}
		if stat.Flags&MntSynchronous != 0 {
			opts += ",sync"
		}
		if stat.Flags&MntNoExec != 0 {
			opts += ",noexec"
		}
		if stat.Flags&MntNoSuid != 0 {
			opts += ",nosuid"
		}
		if stat.Flags&MntUnion != 0 {
			opts += ",union"
		}
		if stat.Flags&MntAsync != 0 {
			opts += ",async"
		}
		if stat.Flags&MntSuidDir != 0 {
			opts += ",suiddir"
		}
		if stat.Flags&MntSoftDep != 0 {
			opts += ",softdep"
		}
		if stat.Flags&MntNoSymFollow != 0 {
			opts += ",nosymfollow"
		}
		if stat.Flags&MntGEOMJournal != 0 {
			opts += ",gjounalc"
		}
		if stat.Flags&MntMultilabel != 0 {
			opts += ",multilabel"
		}
		if stat.Flags&MntACLs != 0 {
			opts += ",acls"
		}
		if stat.Flags&MntNoATime != 0 {
			opts += ",noattime"
		}
		if stat.Flags&MntClusterRead != 0 {
			opts += ",nocluster"
		}
		if stat.Flags&MntClusterWrite != 0 {
			opts += ",noclusterw"
		}
		if stat.Flags&MntNFS4ACLs != 0 {
			opts += ",nfs4acls"
		}
		d := PartitionStat{
			Device:     common.IntToString(stat.Mntfromname[:]),
			Mountpoint: common.IntToString(stat.Mntonname[:]),
			Fstype:     common.IntToString(stat.Fstypename[:]),
			Opts:       opts,
		}
		if all == false {
			if !path.IsAbs(d.Device) || !common.PathExists(d.Device) {
				continue
			}
		}

		ret = append(ret, d)
	}

	return ret, nil
}

func Getfsstat(buf []Statfs, flags int) (n int, err error) {
	return GetfsstatWithContext(context.Background(), buf, flags)
}

func GetfsstatWithContext(ctx context.Context, buf []Statfs, flags int) (n int, err error) {
	var _p0 unsafe.Pointer
	var bufsize uintptr
	if len(buf) > 0 {
		_p0 = unsafe.Pointer(&buf[0])
		bufsize = unsafe.Sizeof(Statfs{}) * uintptr(len(buf))
	}
	r0, _, e1 := unix.Syscall(SYS_GETFSSTAT64, uintptr(_p0), bufsize, uintptr(flags))
	n = int(r0)
	if e1 != 0 {
		err = e1
	}
	return
}

func getFsType(stat unix.Statfs_t) string {
	return common.IntToString(stat.Fstypename[:])
}