78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
// LegoBlobReader.cpp : This file contains the 'main' function. Program execution begins and ends there.
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//
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#include <conio.h>
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#include <stdio.h>
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#include <malloc.h>
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#include <math.h>
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#include <algorithm>
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typedef unsigned char byte;
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static char const* FILE_NAME = "GAMEPROGRESS.broke.blob";
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byte* ReadFileToBuffer(char const* filename, size_t* file_len)
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{
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FILE* fp = nullptr;
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::fopen_s(&fp, filename, "r");
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if (nullptr == fp) {
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return nullptr;
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}
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::fseek(fp, 0, SEEK_END);
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size_t eof = ::ftell(fp);
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::fseek(fp, 0, SEEK_SET);
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byte* buffer = (byte*) ::malloc(eof);
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if (nullptr != buffer) {
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*file_len = ::fread(buffer, 1, eof, fp);
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}
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::fclose(fp);
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return buffer;
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}
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static void DisplayProgress(byte* buffer, size_t len, size_t offset)
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{
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size_t bytes_to_show = len - offset;
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bytes_to_show = std::min<size_t>(bytes_to_show, 16);
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printf("At %u (0x%08x) into buffer... Next %u byte(s) are...\n> ", offset, offset, bytes_to_show);
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for (size_t i = 0; i < bytes_to_show; ++i) {
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byte b = buffer[offset + i];
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printf("%02X ", b);
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}
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}
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static void ParseBuffer(byte* buffer, size_t len)
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{
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size_t offset = 0;
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DisplayProgress(buffer, len, offset);
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}
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int main()
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{
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size_t file_len;
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byte* buffer = ReadFileToBuffer(FILE_NAME, &file_len);
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if (nullptr == buffer) {
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printf("Failed to open file.\n");
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}
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ParseBuffer(buffer, file_len);
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free(buffer);
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printf("\n\n\n");
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_getch();
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}
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// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
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// Debug program: F5 or Debug > Start Debugging menu
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// Tips for Getting Started:
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// 1. Use the Solution Explorer window to add/manage files
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// 2. Use the Team Explorer window to connect to source control
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// 3. Use the Output window to see build output and other messages
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// 4. Use the Error List window to view errors
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// 5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
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// 6. In the future, to open this project again, go to File > Open > Project and select the .sln file
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