从当前进程模块程序读数据的代码

//--从当前进程模块程序读数据

//--参数

//--buf/接收数据的缓冲区

//--size/期望读入的数据字节数(buf必须足够)

//--pos/开始读数据的偏移位置

//--返回

//--实际读入数据字节数(一般应该等于size)

int accessME(char* buf, unsigned int size, unsigned int pos = 0)

{

int ret = 0;

if (NULL == buf || size <= 0 || pos < 0) return ret;

HMODULE hModule = GetModuleHandle(NULL);

char lpFilename[MAX_PATH] = {0};

::GetModuleFileName(hModule, lpFilename, sizeof(lpFilename));

HANDLE hFile = ::CreateFile(lpFilename

, GENERIC_READ

, FILE_SHARE_READ

, NULL

, OPEN_EXISTING

, FILE_FLAG_RANDOM_ACCESS

, NULL);

if (NULL != hFile && INVALID_HANDLE_VALUE != hFile)

{

DWORD dwSize = ::GetFileSize(hFile, NULL);

if (pos > 0 && pos < dwSize)

::SetFilePointer(hFile, pos, NULL, FILE_BEGIN);

//--read

DWORD dwRead = 0;

::ReadFile(hFile, buf, size, &dwRead, NULL);

::CloseHandle(hFile);

ret = dwRead;

}

return ret;

}