Files
wazero/internal/sysfs/stat_unsupported.go
2023-07-17 08:13:29 +08:00

49 lines
1.3 KiB
Go

//go:build (!((amd64 || arm64 || riscv64) && linux) && !((amd64 || arm64) && (darwin || freebsd)) && !((amd64 || arm64) && windows)) || js
package sysfs
import (
"io/fs"
"os"
"syscall"
experimentalsys "github.com/tetratelabs/wazero/experimental/sys"
"github.com/tetratelabs/wazero/sys"
)
// Note: go:build constraints must be the same as /sys.stat_unsupported.go for
// the same reasons.
// dirNlinkIncludesDot might be true for some operating systems, which can have
// new stat_XX.go files as necessary.
//
// Note: this is only used in tests
const dirNlinkIncludesDot = false
func lstat(path string) (sys.Stat_t, experimentalsys.Errno) {
if info, err := os.Lstat(path); err != nil {
return sys.Stat_t{}, experimentalsys.UnwrapOSError(err)
} else {
return sys.NewStat_t(info), 0
}
}
func stat(path string) (sys.Stat_t, experimentalsys.Errno) {
if info, err := os.Stat(path); err != nil {
return sys.Stat_t{}, experimentalsys.UnwrapOSError(err)
} else {
return sys.NewStat_t(info), 0
}
}
func statFile(f fs.File) (sys.Stat_t, experimentalsys.Errno) {
return defaultStatFile(f)
}
func inoFromFileInfo(_ string, info fs.FileInfo) (sys.Inode, experimentalsys.Errno) {
if st, ok := info.Sys().(*syscall.Stat_t); ok {
return st.Ino, 0
}
return 0, 0
}