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//go:build dragonfly
package dirent
import (
"os"
"syscall"
"unsafe"
)
func direntIno(buf []byte) (uint64, bool) {
return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Fileno), unsafe.Sizeof(syscall.Dirent{}.Fileno))
}
func direntReclen(buf []byte) (uint64, bool) {
namlen, ok := direntNamlen(buf)
if !ok {
return 0, false
}
return (16 + namlen + 1 + 7) &^ 7, true
}
func direntNamlen(buf []byte) (uint64, bool) {
return readInt(buf, unsafe.Offsetof(syscall.Dirent{}.Namlen), unsafe.Sizeof(syscall.Dirent{}.Namlen))
}
func direntType(buf []byte) os.FileMode {
off := unsafe.Offsetof(syscall.Dirent{}.Type)
if off >= uintptr(len(buf)) {
return ^os.FileMode(0) // unknown
}
typ := buf[off]
switch typ {
case syscall.DT_BLK:
return os.ModeDevice
case syscall.DT_CHR:
return os.ModeDevice | os.ModeCharDevice
case syscall.DT_DBF:
// DT_DBF is "database record file".
// fillFileStatFromSys treats as regular file.
return 0
case syscall.DT_DIR:
return os.ModeDir
case syscall.DT_FIFO:
return os.ModeNamedPipe
case syscall.DT_LNK:
return os.ModeSymlink
case syscall.DT_REG:
return 0
case syscall.DT_SOCK:
return os.ModeSocket
}
return ^os.FileMode(0) // unknown
}
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