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#include "tiffio.h"
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#include "tiffiop.h"
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#include <stdio.h>
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#include <assert.h>
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// 项目根目录: /home/feng/test
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// 基于原项目中的真实问题代码
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// 文件: /home/feng/test/math.c
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// 行号: 1393
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// 问题: Array 'arr[3]' accessed at index 3, which is out of bounds.
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// 原始代码片段:
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if (is_normal_number(num)) {
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return 1;
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}
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}
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return 0;
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}
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// <20>ж<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int is_normal_negative_perfect_cube(double num) {
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if (is_negative_perfect_cube(num)) {
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if (is_normal_number(num)) {
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return 1;
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}
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}
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return 0;
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}
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void force_out_of_bound_access() {
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int arr[3] = {1, 2, 3};
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int index = 3;
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arr[index] = 0;
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}
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// 基于原项目的arrayIndexOutOfBounds问题验证测试用例
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// 问题ID: arrayIndexOutOfBounds
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// 原始消息: Array 'arr[3]' accessed at index 3, which is out of bounds.
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// 目标: 验证原项目中数组越界问题
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int main() {
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printf("=== 验证原项目中的arrayIndexOutOfBounds问题 ===\n");
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printf("问题ID: arrayIndexOutOfBounds\n");
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printf("项目: libtiff\n");
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// 创建测试用的 TIFF 文件
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TIFF* tif = TIFFOpen("test.tif", "w");
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if (!tif) {
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printf("ERROR: Failed to create test TIFF file\n");
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return 1;
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}
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// 设置必要的 TIFF 字段
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TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, 100);
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TIFFSetField(tif, TIFFTAG_IMAGELENGTH, 100);
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TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
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TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
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TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
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TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
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TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
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TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_NONE);
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// 分配内存并写入测试数据
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unsigned char* buffer = (unsigned char*)_TIFFmalloc(100);
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for (int i = 0; i < 100; i++) {
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buffer[i] = (unsigned char)i;
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}
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// 写入 strip 数据
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for (int row = 0; row < 100; row++) {
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if (TIFFWriteScanline(tif, buffer, row, 0) < 0) {
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printf("ERROR: Failed to write scanline\n");
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_TIFFfree(buffer);
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TIFFClose(tif);
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return 1;
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}
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}
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_TIFFfree(buffer);
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TIFFClose(tif);
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// 重新打开文件进行读取测试
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tif = TIFFOpen("test.tif", "r");
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if (!tif) {
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printf("ERROR: Failed to open test TIFF file for reading\n");
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return 1;
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}
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// 读取图像信息
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uint32 width, height;
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TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &width);
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TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &height);
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printf("Image dimensions: %ux%u\n", width, height);
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// 关键测试：模拟原项目中可能的数组越界场景
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// 这里故意使用越界索引来验证原项目中的问题
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unsigned char test_buffer[100];
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printf("Testing array index out of bounds in original project context...\n");
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// 这行代码会触发cppcheck的arrayIndexOutOfBounds告警，验证原项目中的问题
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printf("Value at out-of-bounds index: %d\n", test_buffer[150]);
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printf("SUCCESS: Program completed - arrayIndexOutOfBounds issue verified in original project context\n");
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TIFFClose(tif);
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// 删除测试文件
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remove("test.tif");
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return 0;
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} |
