k3s/vendor/github.com/cilium/ebpf/internal/ptr.go
Brad Davidson e204d863a5 Update Kubernetes to v1.22.1
* Update Kubernetes to v1.22.1
* Update dependent modules to track with upstream

Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
2021-08-20 18:47:16 -07:00

32 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)}
}