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79 lines
2.3 KiB
79 lines
2.3 KiB
/*
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* Copyright 2021 Rockchip Electronics Co. LTD
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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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*/
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#include <unistd.h>
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#include "binutils.h"
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const unsigned CMD_RESULT_LINE_SIZE = 4096;
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bool strings(const char *fileName, const char *searchString,
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std::string &versionStr, bool showlist) {
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int c;
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unsigned int last = 0;
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char buf[CMD_RESULT_LINE_SIZE];
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FILE *fp = NULL;
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bool ret = false;
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if ((fp = fopen(fileName, "r")) == NULL) {
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fprintf(stderr, "open %s error.\n", fileName);
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return false;
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}
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while (1) {
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c = getc(fp);
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if ((isprint(c) || c =='\t') && (last < (CMD_RESULT_LINE_SIZE-1))) {
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buf[last++] = c;
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} else {
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if (last >= 4) {
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buf[last] = '\0';
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if (strstr(buf, searchString) != NULL) {
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versionStr.append(buf);
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versionStr.append("\n");
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ret = true;
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if (!showlist) {
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break;
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}
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}
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}
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last = 0;
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}
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if (c == EOF) {
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break;
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}
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}
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return ret;
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}
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int executeCMD(const char *cmd, std::string &versionStr, bool showlist) {
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int ret = 0;
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char lineBuf[CMD_RESULT_LINE_SIZE] = {0};
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FILE *cmdPtr = NULL;
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if ((cmdPtr = popen(cmd, "r")) != NULL) {
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if (showlist) {
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while (fgets(lineBuf, sizeof(lineBuf), cmdPtr) != NULL) {
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versionStr.append(lineBuf);
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ret++;
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}
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} else {
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if (fgets(lineBuf, sizeof(lineBuf), cmdPtr) != NULL) {
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versionStr.append(lineBuf);
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ret++;
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}
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}
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pclose(cmdPtr);
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cmdPtr = NULL;
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}
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return ret;
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}
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