61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
//go:build (amd64 || arm64 || riscv64) && linux
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// Note: This expression is not the same as compiler support, even if it looks
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// similar. Platform functions here are used in interpreter mode as well.
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package platform
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import (
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"io/fs"
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"os"
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"syscall"
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)
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func lstat(path string) (Stat_t, syscall.Errno) {
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if t, err := os.Lstat(path); err != nil {
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return Stat_t{}, UnwrapOSError(err)
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} else {
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return statFromFileInfo(t), 0
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}
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}
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func stat(path string) (Stat_t, syscall.Errno) {
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if t, err := os.Stat(path); err != nil {
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return Stat_t{}, UnwrapOSError(err)
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} else {
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return statFromFileInfo(t), 0
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}
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}
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func statFile(f *os.File) (Stat_t, syscall.Errno) {
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return defaultStatFile(f)
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}
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func inoFromFileInfo(_ string, t fs.FileInfo) (ino uint64, err syscall.Errno) {
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if d, ok := t.Sys().(*syscall.Stat_t); ok {
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ino = d.Ino
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}
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return
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}
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func statFromFileInfo(t fs.FileInfo) Stat_t {
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if d, ok := t.Sys().(*syscall.Stat_t); ok {
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st := Stat_t{}
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st.Dev = uint64(d.Dev)
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st.Ino = uint64(d.Ino)
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st.Uid = d.Uid
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st.Gid = d.Gid
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st.Mode = t.Mode()
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st.Nlink = uint64(d.Nlink)
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st.Size = d.Size
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atime := d.Atim
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st.Atim = atime.Sec*1e9 + atime.Nsec
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mtime := d.Mtim
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st.Mtim = mtime.Sec*1e9 + mtime.Nsec
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ctime := d.Ctim
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st.Ctim = ctime.Sec*1e9 + ctime.Nsec
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return st
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}
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return statFromDefaultFileInfo(t)
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}
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