Run-Time Check Failure #2 - Stack around the variable 'cc' was corrupted.數組
char cc[1024]; //此處若是索引值設置小了，就會出問題。好比：char cc[1];是因爲創建的數組下標溢出形成的服務器
1 // vc2_2_4UDPserver_Txwtech.cpp : 定義控制檯應用程序的入口點。 2 // 3 #include "StdAfx.h" 4 #include <WinSock2.h> 5 #include<stdio.h> 6 #include<Windows.h> 7 #pragma comment(lib,"WS2_32.lib") 8 int main() 9 { 10 WSADATA data; 11 WORD w=MAKEWORD(2,0); 12 char sztext[]="歡迎您\r\n"; 13 ::WSAStartup(w,&data); 14 SOCKET s; 15 s=::socket(AF_INET, SOCK_DGRAM,0); 16 sockaddr_in addr,addr2; 17 int n=sizeof(addr2); 18 char buff[10]={0}; 19 addr.sin_family=AF_INET; 20 addr.sin_port=htons(75); 21 addr.sin_addr.S_un.S_addr=INADDR_ANY; 22 ::bind(s,(sockaddr*)&addr,sizeof(addr)); 23 printf("UDP服務器已經啓動\r\n"); 24 while(1) 25 { 26 char cc[1024]; //此處若是索引值設置小了，就會出問題。好比：char cc[1];是因爲創建的數組下標溢出形成的 27 //c=getchar(); 28 // c=''; 29 printf("請輸入C："); 30 scanf("%s",cc); 31 //sztext=c; 32 // strcpy(sztext,c); 33 if (strcmp(cc,"qq")==0) 34 35 { 36 printf("即將退出%s",cc); 37 ::Sleep(1000); 38 ::closesocket(s); 39 ::WSACleanup(); 40 // strcpy(cc,""); 41 return 0; 42 } 43 if(::recvfrom(s,buff,10,0,(sockaddr*)&addr2,&n)!=0) 44 { 45 printf("%s已經鏈接上\r\n",inet_ntoa(addr2.sin_addr)); 46 printf("%s\r\n",buff); 47 48 49 ::sendto(s,sztext,sizeof(sztext),0,(sockaddr*)&addr2,n); 50 // break; 51 } 52 53 } 54 ::closesocket(s); 55 ::WSACleanup(); 56 57 if(getchar()) 58 { 59 return 0; 60 //::sendto(s,sztext,sizeof(sztext),0,(sockaddr*)&addr2,n); 61 } 62 else 63 { 64 ::Sleep(100); 65 } 66 }