密码库生成

csdn.txt中的数据是这样的：

1.main.c

#include "list.h"

int isoktosscanf(char *str)
{
    char *p = strstr(str, "#");
    if (p!=NULL)
    {
        if (strstr(p+1,"#")!=NULL)
        {
            return 1;
        } 
        else
        {
            return 0;
        }
    }
    else
    {
        return 0;
    }



}
void eatspace(char *str)
{
    int i = 0;
    int j = 0;
    while ((str[i]=str[j++])!='')//双指针错位
    {
        if (str[i]!=' ')
        {
            i++;
        }
    }




}

void fileload()
{
    FILE *pf = fopen("Z:\I\尹成清华终极版C语言视频源码文档20150131\大数据相关数据\csdn.txt", "r");

    
    while (!feof(pf))
    {
        char str[100] = { 0 };
        char password[100] = { 0 };
        fgets(str, 100, pf);
        char*p1 = strstr(str, "#");
        char*p2 = strstr(p1+1, "#");
        *p1 = '';
        *p2 = '';
        strcpy(password, p1 + 1);//拷贝字符串
        eatspace(password);
        if (isin(phead, password) == 0)
        {
            phead = addback(phead, password);
        }
    

    }
    fclose(pf);

    sortbyci(phead);
    writetofile(phead, "C:\ci.txt");
    sortbypass(phead);

    writetofile(phead, "C:\pass.txt");


}
void main()
{


    fileload();

    system("pause");
}

void main1()
{
    PINFO phead = NULL;


    char *str[10] = { "123", "1234", "456", "789",
        "2345", "123", "456", "789", "1234", "123" };
    for (int i = 0; i < 10;i++)
    {
        if (isin(phead,str[i])==0)
        {
            phead=addback(phead, str[i]);
        } 
    }
    show(phead);
    sortbyci(phead);
    printf("

");
    show(phead);
    sortbypass(phead);
    printf("

");
    show(phead);

    writetofile(phead, "C:\x.txt");
    system("C:\x.txt");
    system("pause");


}

2.list.h

#define  _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <Windows.h>
PINFO phead = NULL;

typedef struct passinfo
{
    char password[20];
    int ci;
    struct passinfo *pNext;
}INFO ,*PINFO;

PINFO addback(PINFO phead, char password[20]);//尾部插入
PINFO sortbyci(PINFO phead);///排序
PINFO sortbypass(PINFO phead);
PINFO show(PINFO phead);//显示
int isin(PINFO phead, char password[20]);//判断存在与否
void writetofile(PINFO phead,char path[100]);//写入到文件

3.list.c

#include "list.h"
PINFO addback(PINFO phead, char password[20])//尾部插入
{
    PINFO pnew = calloc(1, sizeof(INFO));//开辟内存
    strcpy(pnew->password, password);//拷贝密码
    pnew->ci = 1;
    pnew->pNext = NULL;
    if (phead ==NULL)
    {
        phead = pnew;//直接插入
    } 
    else
    {
        pnew->pNext = phead;
        phead = pnew;//头插

    }

    return phead;



}
PINFO sortbyci(PINFO phead)///排序
{
    for (PINFO p1 = phead; p1 != NULL;p1=p1->pNext)
    {
        for (PINFO p2 = phead; p2 != NULL; p2 = p2->pNext)
        {
            if (p2->pNext!=NULL)
            {
                if (p2->ci < p2->pNext->ci)
                {
                    int citemp = p2->ci;//交换数据
                    p2->ci = p2->pNext->ci;
                    p2->pNext->ci = citemp;

                    char passtemp[100];
                    strcpy(passtemp, p2->password);
                    strcpy(p2->password, p2->pNext->password);
                    strcpy(p2->pNext->password, passtemp);

                }
            }
            
        }


    }






}
PINFO sortbypass(PINFO phead)
{
    for (PINFO p1 = phead; p1 != NULL; p1 = p1->pNext)
    {
        for (PINFO p2 = phead; p2 != NULL; p2 = p2->pNext)
        {
            if (p2->pNext != NULL)
            {
                if (strcmp(p2->password, p2->pNext->password) < 0)
                {
                    int citemp = p2->ci;//交换数据
                    p2->ci = p2->pNext->ci;
                    p2->pNext->ci = citemp;

                    char passtemp[100];
                    strcpy(passtemp, p2->password);
                    strcpy(p2->password, p2->pNext->password);
                    strcpy(p2->pNext->password, passtemp);

                }
            }
            
        }


    }

}
PINFO show(PINFO phead)//显示
{
    if (phead==NULL)
    {
        return;
    } 
    else
    {
        printf("%s,%d
", phead->password, phead->ci);
        show(phead->pNext);
    }
    return phead;

}
int isin(PINFO phead, char password[20])//判断存在与否
{
    PINFO p = phead;
    while (p!=NULL)
    {
        if (strcmp(p->password,password)==0)
        {
            p->ci += 1;
            return 1;//存在
        }
        p = p->pNext;
    }

    return 0;//不在链表内部


}
void writetofile(PINFO phead, char path[100])//写入到文件
{

    FILE *pf = fopen(path, "w");
    PINFO p = phead;
    while (p != NULL)
    {
        fprintf(pf, "%s %d
", p->password, p->ci);//打印到文件
        p = p->pNext;
    }
    fclose(pf);


}