1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/vendor/github.com/cilium/ebpf/internal/ptr.go
Akihiro Suda 9f9a0b872c
vendor: github.com/cilium/ebpf v0.6.2
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
2021-07-19 15:57:52 +09:00

31 lines
642 B
Go

package internal
import (
"unsafe"
"github.com/cilium/ebpf/internal/unix"
)
// NewPointer creates a 64-bit pointer from an unsafe Pointer.
func NewPointer(ptr unsafe.Pointer) Pointer {
return Pointer{ptr: ptr}
}
// NewSlicePointer creates a 64-bit pointer from a byte slice.
func NewSlicePointer(buf []byte) Pointer {
if len(buf) == 0 {
return Pointer{}
}
return Pointer{ptr: unsafe.Pointer(&buf[0])}
}
// NewStringPointer creates a 64-bit pointer from a string.
func NewStringPointer(str string) Pointer {
p, err := unix.BytePtrFromString(str)
if err != nil {
return Pointer{}
}
return Pointer{ptr: unsafe.Pointer(p)}
}