mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-25 15:50:20 +00:00
0d1c2aa983
This commit update go-ceph to v0.13.0 and change CEPH_VERSION in build.env to pacific. Signed-off-by: Rakshith R <rar@redhat.com>
67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package cutil
|
|
|
|
/*
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
typedef void* voidptr;
|
|
*/
|
|
import "C"
|
|
|
|
import (
|
|
"math"
|
|
"unsafe"
|
|
)
|
|
|
|
const (
|
|
// MaxIdx is the maximum index on 32 bit systems
|
|
MaxIdx = math.MaxInt32 // 2GB, max int32 value, should be safe
|
|
|
|
// PtrSize is the size of a pointer
|
|
PtrSize = C.sizeof_voidptr
|
|
|
|
// SizeTSize is the size of C.size_t
|
|
SizeTSize = C.sizeof_size_t
|
|
)
|
|
|
|
// Compile-time assertion ensuring that Go's `int` is at least as large as C's.
|
|
const _ = unsafe.Sizeof(int(0)) - C.sizeof_int
|
|
|
|
// SizeT wraps size_t from C.
|
|
type SizeT C.size_t
|
|
|
|
// This section contains a bunch of types that are basically just
|
|
// unsafe.Pointer but have specific types to help "self document" what the
|
|
// underlying pointer is really meant to represent.
|
|
|
|
// CPtr is an unsafe.Pointer to C allocated memory
|
|
type CPtr unsafe.Pointer
|
|
|
|
// CharPtrPtr is an unsafe pointer wrapping C's `char**`.
|
|
type CharPtrPtr unsafe.Pointer
|
|
|
|
// CharPtr is an unsafe pointer wrapping C's `char*`.
|
|
type CharPtr unsafe.Pointer
|
|
|
|
// SizeTPtr is an unsafe pointer wrapping C's `size_t*`.
|
|
type SizeTPtr unsafe.Pointer
|
|
|
|
// FreeFunc is a wrapper around calls to, or act like, C's free function.
|
|
type FreeFunc func(unsafe.Pointer)
|
|
|
|
// Malloc is C.malloc
|
|
func Malloc(s SizeT) CPtr { return CPtr(C.malloc(C.size_t(s))) }
|
|
|
|
// Free is C.free
|
|
func Free(p CPtr) { C.free(unsafe.Pointer(p)) }
|
|
|
|
// CString is C.CString
|
|
func CString(s string) CharPtr { return CharPtr((C.CString(s))) }
|
|
|
|
// CBytes is C.CBytes
|
|
func CBytes(b []byte) CPtr { return CPtr(C.CBytes(b)) }
|
|
|
|
// Memcpy is C.memcpy
|
|
func Memcpy(dst, src CPtr, n SizeT) {
|
|
C.memcpy(unsafe.Pointer(dst), unsafe.Pointer(src), C.size_t(n))
|
|
}
|