minio/erasure/ctypes.go

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/*
* Mini Object Storage, (C) 2014 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package erasure
import "C"
import (
"fmt"
"unsafe"
)
// Integer to Int conversion
func Int2cInt(src_err_list []int) *C.int {
SrcErrInt := int(unsafe.Sizeof(src_err_list[0]))
switch SrcErrInt {
case SizeInt:
return (*C.int)(unsafe.Pointer(&src_err_list[0]))
case SizeInt8:
Int8Array := make([]int8, len(src_err_list))
for i, v := range src_err_list {
Int8Array[i] = int8(v)
}
return (*C.int)(unsafe.Pointer(&Int8Array[0]))
case SizeInt16:
Int16Array := make([]int16, len(src_err_list))
for i, v := range src_err_list {
Int16Array[i] = int16(v)
}
return (*C.int)(unsafe.Pointer(&Int16Array[0]))
case SizeInt32:
Int32Array := make([]int32, len(src_err_list))
for i, v := range src_err_list {
Int32Array[i] = int32(v)
}
return (*C.int)(unsafe.Pointer(&Int32Array[0]))
case SizeInt64:
Int64Array := make([]int64, len(src_err_list))
for i, v := range src_err_list {
Int64Array[i] = int64(v)
}
return (*C.int)(unsafe.Pointer(&Int64Array[0]))
default:
panic(fmt.Sprintf("Unsupported: %d", SizeInt))
}
}