go.mod: github.com/moby/sys/mountinfo v0.6.2

https://github.com/moby/sys/compare/mountinfo/v0.6.0...mountinfo/v0.6.2

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
This commit is contained in:
Akihiro Suda
2022-06-07 17:06:54 +09:00
parent 0532f666f6
commit c3fb7dfa7f
68 changed files with 284 additions and 180 deletions

View File

@@ -1,53 +1,37 @@
//go:build (freebsd && cgo) || (openbsd && cgo) || (darwin && cgo)
// +build freebsd,cgo openbsd,cgo darwin,cgo
//go:build freebsd || openbsd || darwin
// +build freebsd openbsd darwin
package mountinfo
/*
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
*/
import "C"
import (
"fmt"
"reflect"
"unsafe"
)
import "golang.org/x/sys/unix"
// parseMountTable returns information about mounted filesystems
func parseMountTable(filter FilterFunc) ([]*Info, error) {
var rawEntries *C.struct_statfs
count := int(C.getmntinfo(&rawEntries, C.MNT_WAIT))
if count == 0 {
return nil, fmt.Errorf("failed to call getmntinfo")
count, err := unix.Getfsstat(nil, unix.MNT_WAIT)
if err != nil {
return nil, err
}
var entries []C.struct_statfs
header := (*reflect.SliceHeader)(unsafe.Pointer(&entries))
header.Cap = count
header.Len = count
header.Data = uintptr(unsafe.Pointer(rawEntries))
entries := make([]unix.Statfs_t, count)
_, err = unix.Getfsstat(entries, unix.MNT_WAIT)
if err != nil {
return nil, err
}
var out []*Info
for _, entry := range entries {
var mountinfo Info
var skip, stop bool
mountinfo.Mountpoint = C.GoString(&entry.f_mntonname[0])
mountinfo.FSType = C.GoString(&entry.f_fstypename[0])
mountinfo.Source = C.GoString(&entry.f_mntfromname[0])
mountinfo := getMountinfo(&entry)
if filter != nil {
// filter out entries we're not interested in
skip, stop = filter(&mountinfo)
skip, stop = filter(mountinfo)
if skip {
continue
}
}
out = append(out, &mountinfo)
out = append(out, mountinfo)
if stop {
break
}