Files
wazero/internal/sysfs/stat_bsd.go
Crypt Keeper 34324031cb extracts FS interfaces into fsapi package and consolidates impls (#1477)
Signed-off-by: Adrian Cole <adrian@tetrate.io>
Signed-off-by: Edoardo Vacchi <evacchi@users.noreply.github.com>
Co-authored-by: Edoardo Vacchi <evacchi@users.noreply.github.com>
2023-05-17 07:19:54 +03:00

61 lines
1.3 KiB
Go

//go:build (amd64 || arm64) && (darwin || freebsd)
package sysfs
import (
"io/fs"
"os"
"syscall"
"github.com/tetratelabs/wazero/internal/fsapi"
"github.com/tetratelabs/wazero/internal/platform"
)
func lstat(path string) (fsapi.Stat_t, syscall.Errno) {
if t, err := os.Lstat(path); err != nil {
return fsapi.Stat_t{}, platform.UnwrapOSError(err)
} else {
return statFromFileInfo(t), 0
}
}
func stat(path string) (fsapi.Stat_t, syscall.Errno) {
if t, err := os.Stat(path); err != nil {
return fsapi.Stat_t{}, platform.UnwrapOSError(err)
} else {
return statFromFileInfo(t), 0
}
}
func statFile(f *os.File) (fsapi.Stat_t, syscall.Errno) {
return defaultStatFile(f)
}
func inoFromFileInfo(_ string, t fs.FileInfo) (ino uint64, err syscall.Errno) {
if d, ok := t.Sys().(*syscall.Stat_t); ok {
ino = d.Ino
}
return
}
func statFromFileInfo(t fs.FileInfo) fsapi.Stat_t {
if d, ok := t.Sys().(*syscall.Stat_t); ok {
st := fsapi.Stat_t{}
st.Dev = uint64(d.Dev)
st.Ino = d.Ino
st.Uid = d.Uid
st.Gid = d.Gid
st.Mode = t.Mode()
st.Nlink = uint64(d.Nlink)
st.Size = d.Size
atime := d.Atimespec
st.Atim = atime.Sec*1e9 + atime.Nsec
mtime := d.Mtimespec
st.Mtim = mtime.Sec*1e9 + mtime.Nsec
ctime := d.Ctimespec
st.Ctim = ctime.Sec*1e9 + ctime.Nsec
return st
}
return StatFromDefaultFileInfo(t)
}