78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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* Copyright (c) 2017, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "config.h"
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#include <cstdint>
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#include <cstring>
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#include <string>
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#include "CL/cl.h"
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#include "runtime/utilities/stackvec.h"
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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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