我在寫一個telnet服務器和telnet客戶端代碼,但我得到了分段錯誤。 我試過,但我不能夠找到solution.Could誰能幫助我 我在Ubuntu Linux操作系統Telnet服務器和客戶端代碼c
#include<stdio.h>
#include<stdlib.h>
#include<sys/socket.h>
#include<sys/types.h>
#include<netinet/in.h>
#include<error.h>
#include<strings.h>
#include<unistd.h>
#include<arpa/inet.h>
#define ERROR -1
#define MAX_CLIENTS 2
#define MAX_DATA 1024
main(int argc, char **argv)
{
struct sockaddr_in server;
struct sockaddr_in client;
int sock;
int new;
int sockaddr_len = sizeof(struct sockaddr_in);
int data_len;
char data[MAX_DATA];
if((sock = socket(AF_INET, SOCK_STREAM, 0)) == ERROR)
{
perror("server socket: ");
exit(-1);
}
server.sin_family = AF_INET;
server.sin_port = htons(atoi(argv[1]));
server.sin_addr.s_addr = INADDR_ANY;
bzero(&server.sin_zero, 8);
if((bind(sock, (struct sockaddr *)&server, sockaddr_len)) == ERROR)
{
perror("bind : ");
exit(-1);
}
if((listen(sock, MAX_CLIENTS)) == ERROR)
{
perror("listen");
exit(-1);
}
while(1) // Better signal handling required
{
if((new = accept(sock, (struct sockaddr *)&client, &sockaddr_len)) == ERROR)
{
perror("accept");
exit(-1);
}
printf("New Client connected from port no %d and IP %s\n", ntohs(client.sin_port), net_ntoa(client.sin_addr));
data_len = 1;
while(data_len)
{
data_len = recv(new, data, MAX_DATA, 0);
if(data_len)
{
send(new, data, data_len, 0);
data[data_len] = '\0';
printf("Sent mesg: %s", data);
}
}
printf("Client disconnected\n");
close(new);
}
close(sock);
}
你能把代碼格式化一點嗎?編輯器中有一個按鈕。 – Flexo 2010-11-09 15:30:04
你還試過運行gdb/valgrind或其他一些調試器嗎? – Flexo 2010-11-09 15:30:29
你真的不想使用int new; - COUGHCPLUSPLUSCOUGH – 2013-04-25 15:28:52