74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
#include "mock_disk.h"
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#include <unistd.h>
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#include <iostream>
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#include <cstring>
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#include "delog/delog.h"
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using namespace Dev;
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_u32 MockDisk::read(MM::Buf& buf1, _u32 pos, _u32 size) {
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//std::cout << "\n开始读文件"<<ftell(f)<<std::endl;
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// this->seek(pos);
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// f.read(buf.data, size);
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// for (int i = 0; i < size; i++)
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// std::cout << (int)buf.data[i];
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// return fread(buf.data, size, 1, f);
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memcpy(buf1.data, buf + pos, size);
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return size;
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}
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_u32 MockDisk::write(MM::Buf& buf1, _u32 pos, _u32 size) {
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// seek(pos);
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// f.write(buf.data, size);
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// return fwrite(buf.data, size, 1, f);
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// _dbg_log("写入文件 old");
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// _si(pos);
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// _si(size);
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//_sa(buf + pos, size);
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memcpy(buf + pos, buf1.data, size);
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//_dbg_log("写入文件 new");
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//_sa(buf + pos, size);
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return size;
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}
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_u32 MockDisk::tell() {
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return ftell(f);
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}
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void MockDisk::seek(_u32 pos) {
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//_si(pos);
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fseek(f, pos, SEEK_SET);
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}
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void MockDisk::open(const std::string& path) {
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std::cout << "正在打开文件" << std::endl;
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name = path;
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f = fopen(path.c_str(), "rb");
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// f.open(path, std::ios::binary);
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if (f == nullptr) {
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// std::cout << "文件打开错误"<< std::endl;
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perror("文件打开错误");
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}
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fseek(f, 0, SEEK_END);
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length = ftell(f);
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fseek(f, 0, SEEK_SET);
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buf = new char[length];
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fread(buf, length, 1, f);
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fclose(f);
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}
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void MockDisk::close() {
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f = fopen(name.c_str(), "wb");
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_dbg_log("保存磁盘");
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// f.open(path, std::ios::binary);
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if (f == nullptr) {
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// std::cout << "文件打开错误"<< std::endl;
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perror("文件打开错误");
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}
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fwrite(buf, length, 1, f);
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fclose(f);
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delete buf;
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} |