Add everything back into one project hood, still missing iodine

pkg/erasure/ctypes.go

@@ -0,0 +1,59 @@
+/*
+ * Minimalist 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
+
+// #include <stdint.h>
+import "C"
+import (
+	"fmt"
+	"unsafe"
+)
+
+// intSlice2CIntArray converts Go int slice to C int array
+func intSlice2CIntArray(srcErrList []int) *C.int32_t {
+	var sizeErrInt = int(unsafe.Sizeof(srcErrList[0]))
+	switch sizeInt {
+	case sizeErrInt:
+		return (*C.int32_t)(unsafe.Pointer(&srcErrList[0]))
+	case sizeInt8:
+		int8Array := make([]int8, len(srcErrList))
+		for i, v := range srcErrList {
+			int8Array[i] = int8(v)
+		}
+		return (*C.int32_t)(unsafe.Pointer(&int8Array[0]))
+	case sizeInt16:
+		int16Array := make([]int16, len(srcErrList))
+		for i, v := range srcErrList {
+			int16Array[i] = int16(v)
+		}
+		return (*C.int32_t)(unsafe.Pointer(&int16Array[0]))
+	case sizeInt32:
+		int32Array := make([]int32, len(srcErrList))
+		for i, v := range srcErrList {
+			int32Array[i] = int32(v)
+		}
+		return (*C.int32_t)(unsafe.Pointer(&int32Array[0]))
+	case sizeInt64:
+		int64Array := make([]int64, len(srcErrList))
+		for i, v := range srcErrList {
+			int64Array[i] = int64(v)
+		}
+		return (*C.int32_t)(unsafe.Pointer(&int64Array[0]))
+	default:
+		panic(fmt.Sprintf("Unsupported: %d", sizeInt))
+	}
+}