Question

编辑：谢谢雷米·勒博（Remy Lebeau）和汉斯·帕桑（Hans Passant）。用“ >”代替“ >”解决了问题。这是在没有代码示例格式的情况下显示“ >”的方式：““>”。

故事的寓意：从互联网复制/粘贴代码时要小心

剩下的问题是30多天前编写的Microsoft ICMP示例代码使用了折旧的命令。解决方案可在此处找到：'inet_addr': Use inet_pton() or InetPton() instead or define _WINSOCK_DEPRECATED_NO_WARNINGS

更正后的代码：

#include <winsock2.h>
#include <iphlpapi.h>
#include <icmpapi.h>
#include <stdio.h>
#pragma comment(lib, "iphlpapi.lib")
#pragma comment(lib, "ws2_32.lib")


int __cdecl main(int argc, char **argv) {
    // Declare and initialize variables

    HANDLE hIcmpFile;
    unsigned long ipaddr = INADDR_NONE;
    DWORD dwRetVal = 0;
    char SendData[32] = "Data Buffer";
    LPVOID ReplyBuffer = NULL;
    DWORD ReplySize = 0;


    // Validate the parameters
    if (argc != 2) {
        printf("usage: %s IP address\n", argv[0]);
        return 1;
    }

    ipaddr = inet_addr(argv[1]);
    if (ipaddr == INADDR_NONE) {
        printf("usage: %s IP address\n", argv[0]);
        return 1;
    }

    hIcmpFile = IcmpCreateFile();
    if (hIcmpFile == INVALID_HANDLE_VALUE) {
        printf("\tUnable to open handle.\n");
        printf("IcmpCreatefile returned error: %ld\n", GetLastError());
        return 1;
    }

    ReplySize = sizeof(ICMP_ECHO_REPLY) + sizeof(SendData);
    ReplyBuffer = (VOID*)malloc(ReplySize);
    if (ReplyBuffer == NULL) {
        printf("\tUnable to allocate memory\n");
        return 1;
    }


    dwRetVal = IcmpSendEcho(hIcmpFile, ipaddr, SendData, sizeof(SendData),
        NULL, ReplyBuffer, ReplySize, 1000);
    if (dwRetVal != 0) {
        PICMP_ECHO_REPLY pEchoReply = (PICMP_ECHO_REPLY)ReplyBuffer;
        struct in_addr ReplyAddr;
        ReplyAddr.S_un.S_addr = pEchoReply -> Address;
        printf("\tSent icmp message to %s\n", argv[1]);
        if (dwRetVal > 1) {
            printf("\tReceived %ld icmp message responses\n", dwRetVal);
            printf("\tInformation from the first response:\n");
        }
        else {
            printf("\tReceived %ld icmp message response\n", dwRetVal);
            printf("\tInformation from this response:\n");
        }
        printf("\t  Received from %s\n", inet_ntoa(ReplyAddr));
        printf("\t  Status = %ld\n",
            pEchoReply -> Status);
        printf("\t  Roundtrip time = %ld milliseconds\n",
            pEchoReply -> RoundTripTime);
    }
    else {
        printf("\tCall to IcmpSendEcho failed.\n");
        printf("\tIcmpSendEcho returned error: %ld\n", GetLastError());
        return 1;
    }
    return 0;
}

编译器输出：

1>------ Build started: Project: Project2, Configuration: Debug Win32 ------


1>Source.cpp


1>source.cpp(26): error C4996: 'inet_addr': Use inet_pton() or InetPton() instead or define _WINSOCK_DEPRECATED_NO_WARNINGS to disable deprecated API warnings


1>c:\program files (x86)\windows kits\10\include\10.0.17763.0\um\winsock2.h(1831): note: see declaration of 'inet_addr'


1>source.cpp(62): error C4996: 'inet_ntoa': Use inet_ntop() or InetNtop() instead or define _WINSOCK_DEPRECATED_NO_WARNINGS to disable deprecated API warnings


1>c:\program files (x86)\windows kits\10\include\10.0.17763.0\um\winsock2.h(1849): note: see declaration of 'inet_ntoa'


1>Done building project "Project2.vcxproj" -- FAILED.


========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

IcmpSendEcho函数示例代码无法编译

0 个答案: