C/C++Windows黑客编程系列——获取系统信息

#include <stdio.h>
#include <windows.h>

#define MAX_LEN 256

void iGetSystemInfo() {
    char computerName[256] = {0};
    char username[256] = {0};
    OSVERSIONINFO osversioninfo;
    osversioninfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
    GetVersionEx(&osversioninfo);
    if (osversioninfo.dwPlatformId == VER_PLATFORM_WIN32_NT) {
        if (osversioninfo.dwMajorVersion == 5 && osversioninfo.dwMinorVersion == 1) {
            printf("当前操作系统：%s\n", "windows xp");
        }
        if (osversioninfo.dwMajorVersion == 5 && osversioninfo.dwMinorVersion == 0) {
            printf("当前操作系统：%s\n", "windows 2k");
        }
        if (osversioninfo.dwMajorVersion == 6 && osversioninfo.dwMinorVersion == 2) {
            printf("当前操作系统：%s\n", "windows 10");
        }
    } else {
        printf("%s\n", "其他操作系统");
    }
    // 获取计算机名称
    unsigned long nSize = 256;
    GetComputerName(computerName, &nSize);
    printf("计算机名称：%s\n", computerName);
    nSize = 256;
    GetUserName(username, &nSize);
    printf("用户名：%s\n", username);
}

int main() {
    // 自身程序的位置
    char selfName[MAX_LEN] = {0};
    // 系统目录位置
    char windowsName[MAX_LEN] = {0};
    // 系统目录位置
    char systemName[MAX_LEN] = {0};
    // 临时变量
    char tempName[MAX_LEN] = {0};
    // 获取当前执行文件的路径
    GetModuleFileName(NULL, selfName, MAX_LEN);
    strcat(strcat(tempName,"当前执行文件路径："),selfName);
    printf("%s\n", tempName);
    RtlZeroMemory(tempName,MAX_LEN);

    // 获取window目录位置
    GetWindowsDirectory(windowsName, MAX_LEN);
    strcat(strcat(tempName,"Win目录位置："),windowsName);
    printf("%s\n", tempName);
    RtlZeroMemory(tempName,MAX_LEN);

    // 获取系统目录位置
    GetSystemDirectory(systemName, MAX_LEN);
    strcat(strcat(tempName,"系统目录路径："),systemName);
    printf("%s\n", tempName);
    RtlZeroMemory(tempName,MAX_LEN);

    // 获取系统信息
    iGetSystemInfo();
}
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当前执行文件路径：D:\c\win32\cmake-build-debug\win32.exe
Win目录位置：C:\WINDOWS
系统目录路径：C:\WINDOWS\system32
当前操作系统：windows 10
计算机名称：MACARINAL
用户名：MacarinalCopy