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62 lines
1.8 KiB
62 lines
1.8 KiB
/*
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* Minio Cloud Storage, (C) 2014 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package erasure
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// #include <stdint.h>
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import "C"
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import (
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"fmt"
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"unsafe"
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)
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// intSlice2CIntArray converts Go int slice to C int array
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func intSlice2CIntArray(srcErrList []int) *C.int32_t {
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if len(srcErrList) == 0 {
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return (*C.int32_t)(unsafe.Pointer(nil))
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}
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var sizeErrInt = int(unsafe.Sizeof(srcErrList[0]))
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switch sizeInt {
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case sizeErrInt:
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return (*C.int32_t)(unsafe.Pointer(&srcErrList[0]))
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case sizeInt8:
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int8Array := make([]int8, len(srcErrList))
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for i, v := range srcErrList {
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int8Array[i] = int8(v)
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}
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return (*C.int32_t)(unsafe.Pointer(&int8Array[0]))
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case sizeInt16:
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int16Array := make([]int16, len(srcErrList))
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for i, v := range srcErrList {
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int16Array[i] = int16(v)
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}
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return (*C.int32_t)(unsafe.Pointer(&int16Array[0]))
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case sizeInt32:
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int32Array := make([]int32, len(srcErrList))
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for i, v := range srcErrList {
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int32Array[i] = int32(v)
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}
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return (*C.int32_t)(unsafe.Pointer(&int32Array[0]))
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case sizeInt64:
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int64Array := make([]int64, len(srcErrList))
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for i, v := range srcErrList {
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int64Array[i] = int64(v)
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}
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return (*C.int32_t)(unsafe.Pointer(&int64Array[0]))
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default:
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panic(fmt.Sprintf("Unsupported: %d", sizeInt))
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}
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}
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