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            隨筆-9  評論-6  文章-5  trackbacks-0
            就是一個POST的提交,結構搞暈我了。

            搞不清楚為什么GET方式沒效果,而POST有效果,卻提示“Run-Time Check Failure #2 - Stack around the variable 'dest' was corrupted.”
            好暈倒啊??!老衲沒辦法了,畢竟對com不熟。記下狀況以后來研究研究。

            #include?"Visitor.h"

            #include?
            <stdio.h>
            #include?
            <iostream>
            #include?
            "winsock.h"?
            #pragma?comment(lib,
            "ws2_32.lib")??
            #define?winsock_version?0x0101

            using??namespace??std;

            #include?
            "URL.h";

            Visitor::Visitor(
            void)
            {
            }

            Visitor::
            ~Visitor(void)
            {
            }

            char?*?Visitor::POST(char?*?host,char*?pathAndQuery,?char?*?parms)
            {
            ????
            char?*?requestString?=?new?char[4000];
            ????memset(requestString,
            0,4000);
            ????
            if(strlen(parms)?>?0)
            ????????strcat(requestString,
            "POST?");
            ????
            else
            ????????strcat(requestString,
            "GET?");
            ????strcat(requestString,pathAndQuery);
            ????strcat(requestString,
            "?HTTP/1.1\r\n");
            ????strcat(requestString,
            "Host:?");
            ????strcat(requestString,host);
            ????
            ????strcat(requestString,
            "\r\nAccept:?text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5\r\n");
            ????strcat(requestString,
            "Accept-Language:?zh-cn,zh;q=0.5\r\n");
            ????strcat(requestString,
            "User-Agent:?Mozilla/4.0?(compatible;?MSIE?8.0;?Windows?NT?5.2;?Trident/4.0;?.NET?CLR?1.1.4322;?.NET?CLR?2.0.50727;?.NET?CLR?3.0.04506.648;\r\n");
            ????strcat(requestString,
            "UA-CPU:?x86\r\n");
            ????strcat(requestString,
            "Accept-Charset:?gb2312,utf-8;q=0.7,*;q=0.7\r\n");
            ????
            //strcat(requestString,"Accept-Encoding:?gzip,?deflate\r\n");
            ????strcat(requestString,"Connection:?Keep-Alive\r\n");
            ????
            ????
            if(strlen(parms)?>?0){
            ????????strcat(requestString,
            "Content-Type:?application/x-www-form-urlencoded\r\n");
            ????????strcat(requestString,
            "Content-Length:?");
            ????????
            char?*?p?=?new?char[4];
            ????????itoa(strlen(parms),p,
            10);???
            ????????strcat(requestString,p);
            ????????strcat(requestString,
            "\r\n\r\n");
            ????????strcat(requestString,parms);
            ????}
            ????
            //cout?<<?requestString;

            ????WSADATA?wsadata;
            ????LPHOSTENT?lphostent;?
            ????SOCKET?hsocket;
            ????SOCKADDR_IN?saServer;
            ????
            int?nRet;
            ????
            if(WSAStartup(winsock_version,&wsadata))
            ????{
            ????????
            ????}
            ????lphostent?
            =?gethostbyname(host);
            ????hsocket?
            =?socket(AF_INET,?SOCK_STREAM,?IPPROTO_TCP);
            ????saServer.sin_family?
            =?AF_INET;
            ????saServer.sin_port?
            =?htons(80);
            ????saServer.sin_addr?
            =?*((LPIN_ADDR)*lphostent->h_addr_list);
            ????nRet?
            =?connect(hsocket,?(LPSOCKADDR)&saServer,?sizeof(SOCKADDR_IN));
            ????nRet?
            =?send(hsocket,?requestString,?strlen(requestString),?0);?
            ????
            char?dest[1000];
            ????nRet
            =1;???
            ????
            int?bytes?=?0;
            ????
            while(nRet>0)??
            ????{
            ????????nRet?
            =?recv(hsocket,(LPSTR)dest,sizeof(dest),0);
            ????????
            if(nRet?>?0)???
            ????????????dest[nRet]?
            =?0;???
            ????????
            else{
            ????????????
            //dest[0]?=?0;??
            ????????????break;
            ????????}
            ????????
            //printf("\nReceived???bytes:%d\n",nRet);???
            ????????try{
            ????????cout?
            <<?dest;
            ????????}
            catch(exception?ex){}
            ????????bytes?
            +=?nRet;
            ????}
            ????closesocket(hsocket);
            ????
            //delete?[]dest;
            ????printf("\nReceived???bytes:%d\n",bytes);???
            ????delete?requestString;
            ????
            return?"";
            }

            posted on 2008-11-05 16:55 BirdsHover 閱讀(2889) 評論(1)  編輯 收藏 引用

            評論:
            # re: 搞不清楚狀況,Stack around the variable 'dest' was corrupted. 2012-12-17 13:47 | fsdf
            樓主你的dest緩沖區大小事1000,最后包含的是結束符'\0',所以你在recv函數中的大小應該是sizeof(dest) - sizeof(char)  回復  更多評論
              
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