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所以我试图读取一个文件并将其存储到我的数据结构中,但每次运行它时,它都会读入垃圾数据,并且结构中充满了0。有什么建议么?如何读取文件并存储它?
我有函数来检查数据是否有效,因为我的结构不能存储它已存储的数据(例如相同的端口或vmn)。
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <stdbool.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
typedef struct DataType{
double timeOffset;
int vmn;
int port;
}Data;
void insertDataType(Data *Data, double timeOffset, int vmn, int port){
Data->timeOffset = timeOffset;
Data->vmn = vmn;
Data->port = port;
}
double returnTimeOffset(Data D){
assert(D.timeOffset != 0.0);
return D.timeOffset;
}
int returnVMN(Data D){
assert(D.vmn != 0);
return D.vmn;
}
int returnPort(Data D){
assert(D.port != 0);
return D.port;
}
bool vmnValid(Data *Data, int n, int vmn){
int i;
for(i = 0; i <= n; i++){
if(Data[i].vmn != 0){
if(Data[i].vmn == vmn){
printf("Invalid vmn %d: vmn already inserted \n", vmn);
return false;
}
}
}
return true;
}
bool timeValid(Data *Data, int n, double timeOffset){
int i;
for(i = 0; i <= n; i++){
if(Data[i].timeOffset != 0.0){
if(Data[i].timeOffset == timeOffset){
printf("Invalid timeOffset %2lf: timeOffset already used \n", timeOffset);
return false;
}
}
}
return true;
}
bool portValid(Data *Data, int n, int port){
int i;
for(i = 0; i <= n; i++){
if(Data[i].port != 0){
if(Data[i].port == port){
printf("Invalid port %d: port already in use\n", port);
return false;
}
}
}
return true;
}
int main(int argc, const char * argv[]){
int n = 0;
int i = 0;
char c;
FILE *file;
// Open file
file = fopen("connect1.in", "r");
if (file == NULL) {
fprintf(stderr, "Invalid input file \n");
exit(1);
}
// Get number of lines (n)
while((c = fgetc(file))!= EOF){
if(c == '\n'){
n++;
}
}
printf("n = %d \n", n);
// Create a strut DataType of size n
Data *storage;
storage = calloc(n, sizeof(struct DataType));
// Read and insert the data
double timeOffset;
int vmn;
int port;
printf("\n");
while(fscanf(file, "%lf,%d,%d,", &timeOffset, &vmn, &port != EOF)){
printf("%lf %d %d \n", timeOffset, vmn, port);
if(timeValid(storage, n, timeOffset)){
if(vmnValid(storage, n, vmn)){
if(portValid(storage, n, port)){
insertDataType(&storage[vmn], timeOffset, vmn, port);
}
}
}
}
printf("\n");
printf("\n");
printf("Storage:\n");
for(i = 0; i <= n; i++){
printf("%3d: %2lf %d %d \n", i, storage[i].timeOffset, storage[i].vmn, storage[i].port);
}
}
我觉得这是什么固定它。非常感谢你。 – CGTheLegend
不客气。不要忘记将答案打勾为可接受的解决方案,谢谢。 – suspectus