79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/**
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*
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* Copyright (c) 2020-2025 IRext Opensource Organization
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* 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 in all
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* 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 OR
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* 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 THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <Arduino.h>
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#include <cstring>
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#include "utils.h"
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// public function definitions
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int splitString(const char *str, char *parts[],
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const int parts_max, const char *delimiter) {
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char *pch = nullptr;
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char *copy = nullptr;
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char *tmp = nullptr;
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int i = 0;
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copy = strdup(str);
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if (nullptr == copy) {
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goto _exit;
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}
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pch = strtok(copy, delimiter);
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tmp = strdup(pch);
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if (nullptr == tmp) {
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goto _exit;
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}
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if (i >= parts_max) {
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goto _exit;
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}
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parts[i++] = tmp;
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while (pch) {
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pch = strtok(nullptr, delimiter);
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if (nullptr == pch)
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break;
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tmp = strdup(pch);
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if (nullptr == tmp) {
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goto _exit;
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}
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if (i >= parts_max) {
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goto _exit;
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}
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parts[i++] = tmp;
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}
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free(copy);
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return i;
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_exit:
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free(copy);
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for (int j = 0; j < i; j++) {
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free(parts[j]);
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}
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return -1;
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} |