64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
/*
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* Copyright (C) 2017-2020 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include "shared/source/utilities/stackvec.h"
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#include "CL/cl.h"
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#include <cstdint>
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#include <cstring>
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#include <string>
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const int maximalStackSizeSizes = 16;
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inline int createCombinedString(
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std::string &dstString,
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size_t &dstStringSizeInBytes,
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uint32_t numStrings,
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const char **strings,
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const size_t *lengths) {
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int retVal = CL_SUCCESS;
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if (numStrings == 0 || strings == nullptr) {
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retVal = CL_INVALID_VALUE;
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}
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using SourceSizesT = StackVec<size_t, maximalStackSizeSizes>;
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SourceSizesT localSizes;
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if (retVal == CL_SUCCESS) {
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localSizes.resize(numStrings);
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dstStringSizeInBytes = 1;
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for (uint32_t i = 0; i < numStrings; i++) {
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if (strings[i] == nullptr) {
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retVal = CL_INVALID_VALUE;
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break;
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}
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if ((lengths == nullptr) ||
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(lengths[i] == 0)) {
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localSizes[i] = strlen((const char *)strings[i]);
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} else {
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localSizes[i] = lengths[i];
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}
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dstStringSizeInBytes += localSizes[i];
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}
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}
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if (retVal == CL_SUCCESS) {
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dstString.reserve(dstStringSizeInBytes);
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for (uint32_t i = 0; i < numStrings; i++) {
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dstString.append(strings[i], localSizes[i]);
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}
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// add the null terminator
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dstString += '\0';
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}
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return retVal;
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}
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