我得到“条件跳转或移动取决于未初始化的值”，它来自函数process_server()。我试图找出它的来源，但无济于事。
来自valgrind的消息。
== 2468 ==有条件的跳跃或移动取决于未初始化的值（s）
== 2468 ==在0x402B3D：process_server（在/ home / emeka / Desktop / dump / project / serverd）
== 2468 == by 0x402DB3：main（在/ home / emeka / Desktop / dump / project / serverd）
== == 2468
#include "signal.h"
#include "string.h"
#include "sys/types.h"
#include "unistd.h"
#include "sys/socket.h"
#include "netinet/in.h"
#include "arpa/inet.h"
#include "netdb.h"
#include "stdlib.h"
#include "ctype.h"
#include "stdio.h"
#include "utility.h"
#include "route.c"
#include "tokenize.c"
#include "bridge.c"
#define PORT 1253
#define ADDRESS "127.0.0.1"
#define START "start"
#define STOP "stop"
#define LISTENQ 4
typedef struct sockaddr SA;
//#define INET6_ADDRSTRLEN 3000
requested_data *re_data;
int switch_ch;
struct sockaddr_in serveraddr;
int start_server(int port){
int listenid;
int optval=1;
typedef struct sockaddr SA;
if((listenid = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
error_message("Error in startServer <Failed to create socket>");
}
if (setsockopt(listenid, SOL_SOCKET, SO_REUSEADDR,
(const void *)&optval , sizeof(int)) < 0)
return -1;
memset(&serveraddr, 0, sizeof(serveraddr));
serveraddr.sin_family = AF_INET;
serveraddr.sin_addr.s_addr = htonl(INADDR_ANY);
serveraddr.sin_port = htons((unsigned short)port);
if(bind(listenid, (SA*)&serveraddr, sizeof(serveraddr)) < 0) {
error_message("Error in startServer <Failed to bind socket>");
}
if(listen(listenid, LISTENQ) < 0) {
error_message("Error in startServer <Failed to listen>");
}
return listenid;
}
void *get_in_addr(struct sockaddr *sa)
{
if (sa->sa_family == AF_INET) {
return &(((struct sockaddr_in*)sa)->sin_addr);
}
return &(((struct sockaddr_in6*)sa)->sin6_addr);
}
void process_server(int listenid){
char remoteIP[INET6_ADDRSTRLEN];
int fd, read_size;
const int buffer_size = 1000;
char *client_message = malloc(sizeof(char) * buffer_size);
if(!client_message){
printf("Not enough memory");
abort();
}
struct sockaddr_storage remoteaddr; // client address
socklen_t addrlen;
addrlen = sizeof remoteaddr;
char *gen, gen_int = 0, supplied_answer;
while((fd = accept(listenid, (struct sockaddr *)&remoteaddr, &addrlen))) {
while((read_size = recv(fd, client_message, buffer_size, 0)) > 0) {
printf("%s", client_message);
re_data = router(client_message, read_size);
printf("Method %s --url::%s=+++\n", re_data->method, re_data->url);
switch_ch = 1;
free(client_message);
client_message = malloc(sizeof(char) * buffer_size);
if(!client_message){
printf("Not enough memory");
abort();
}
break;
}
printf("DE server: new connection from %s on "
"socket %d\n",
inet_ntop(remoteaddr.ss_family,
get_in_addr((struct sockaddr*)&remoteaddr),
remoteIP, INET6_ADDRSTRLEN),fd);
str_query *rem_data;
str_query *header_meta = re_data->meta_data;
while(header_meta){
if(strncasecmp(re_data->method, "PUT", 3) == 0){
if(strncasecmp(re_data->url, "/answer", 7) == 0){
if(strlen(re_data->url) == 7){
if(strncasecmp(header_meta->req_name, "question", 8) == 0){
int res_int = parse_input(header_meta->req_value);
if(gen_int == res_int && supplied_answer == res_int){
send(fd, "HTTP status 200 OK" , 18, 0);
} else {
send(fd, "400 Bad Request" , 15, 0);
}
printf("\n Resulted from computation of %s result :: %d\n", header_meta->req_name, res_int);
}
}
}
}
if(switch_ch){
if(strncasecmp(re_data->url, "/question" , 9) == 0){
if(strncasecmp(re_data->method, "GET", 3) == 0){
gen = pmain();
send(fd, gen, strlen(gen), 0);
gen_int = parse_input(gen);
switch_ch = 0;
printf("\n Resulted from generated computation of %s result :: %d\n", header_meta->req_name, gen_int);
free(gen);
}
}
}
if(strncasecmp(header_meta->req_name, "answer", 8) == 0){
supplied_answer = atoi(header_meta->req_value);
}
printf("\nname %s value %s\n", header_meta->req_name, header_meta->req_value);
rem_data = header_meta;
header_meta = header_meta->next;
free(rem_data->req_name);
free(rem_data->req_value);
free(rem_data);
}
if(!client_message){
free(client_message);
}
free(re_data);
close(fd);
}
return;
}
int main(int argc, char **argv) {
int port, pid, server_conn = 1;
int internet_address_len = 15;
char serAdd[internet_address_len];
char strAction[7];
if(argc == 1) {
port = PORT;
strcpy(serAdd, ADDRESS);
} else if(argc == 2){
port = atoi(argv[1]);
strcpy(serAdd, ADDRESS);
} else if(argc == 3) {
port = atoi(argv[1]);
int n = strlen(argv[2]);
strncpy(serAdd, argv[2], n);
if(n >= internet_address_len){
error_message("Internet address is incorrect");
}
serAdd[n] = '\0';
}
printf("\n\tDE is a basic server built to carry out simple things\n"
"\t----- -----\n"
"\t| | |\n"
"\t| | -----\n"
"\t| | |\n"
"\t----- -----\n"
"\tMethods implemented [Get & Put]\n"
"\tTo start type start\n"
"\tTo stop type stop\nDE]");
scanf("%s", strAction);
if (strcmp(strAction, START) == 0){
printf("Server %sed\n", START);
int listenid = start_server(port);
printf("listen on port %d & listening is %d\nDE]", port,listenid);
signal(SIGPIPE, SIG_IGN);
while(server_conn) {
pid =fork();
if(pid == 0) {
process_server(listenid);
break;
}
scanf("%s", strAction);
if (strcmp(strAction, STOP) == 0) {
close(listenid);
return 0;
}
}
}
return 0;
}