一个ip地址整理工具（写给别人）

#include "ipslt.h"#define MAXSIZE 32000string strIp[MAXSIZE];int cmp( const void *a , const void *b )//字符串比较函数{string c, d;c = *(string *)a;d = *(string *)b;return c.compare(d);}void readfile(ifstream &infile, int *ret1, int *ret2) //读文件到strIp数组中去{int i = 0,EndOfFile = 0;for (i; i<MAXSIZE; i++){if(getline(infile,strIp[i])) //读取一行并赋值给strIp[i]{continue;}else {//如果读到文件末尾，标准“EndOfFile”赋值为1，并退出循环EndOfFile = 1; break;}}*ret1 = i;*ret2 = EndOfFile;}void main(int argc, char **argv){int i = 0 ,j, ret1 = 0, ret2 = 0, len = 0;char newname[256];memset(newname, 0, sizeof(char)*256 );len = strlen(argv[1]) - 4;strncpy(newname, argv[1], len);strcat(newname, "_result.txt");FILE *filein;if(NULL == (filein = fopen(argv[1], "r")))printf("open the %s fail !/n",argv[1]);cout << "waiting......" << endl;ipSelect1(argv);//调用函数ipSelect1后会生成temp_1文件ifstream infile("temp_1");//打开temp_1文件ofstream outfile("temp_2");//生成temp_2文件，当调用readfile函数时对其进行写操作while (1){readfile(infile, &ret1, &ret2); //调用readfile函数i = ret1;qsort(strIp, i, sizeof(string), cmp);//对strIp字符串数组进行排序for(j=0; j < i; j++)//将排序后的结果写入result.txt文件{outfile << strIp[j] << endl;cout << strIp[j] << endl;}if (ret2 == 1) //判断是否已经读完目标文件{cout << "finish." << endl;break;}}infile.close();//关闭temp_1文件outfile.close();//关闭temp_2文件ipSelect2(newname);unlink("temp_1"); //删除生成的中间结果文件unlink("temp_2"); //删除生成的中间结果文件system("pause");}

ipslt.h文件：

#include <string>#include <iostream>#include <fstream>#include <stdlib.h>using namespace std;void ipSelect1(char **argv){char temp1[256], temp2[256], temp3[256], temp5[256], newname[256];char *temp4 = ".";FILE *fpr, *fpw;int i = 0, j = 0;memset(newname, 0, sizeof(char)*256 );if(NULL == (fpr = fopen(argv[1], "r")))printf("open the %s fail !/n",argv[1]);if(NULL == (fpw = fopen("temp_1", "w")))printf("creat the 'temp_1' fail !/n");do {memset(temp1, 0, sizeof(char)*256 );if(NULL == fgets(temp1,256,fpr)) break;while (i < 3 && j < 13)//提取temp1的前3个ip字段，包含最后一个点号{if(temp1[j] == *temp4) i++;j++;}if (i == 3 && j < 13){memset(temp2, 0, sizeof(char)*256 );strncpy(temp2,temp1,j);//获得temp1的前3个ip字段存放在temp2变量中if (strcmp(temp2,temp3)){memset(temp3, 0, sizeof(char)*256 );strcpy(temp3,temp2);fprintf(fpw, "%s1-%s255/n", temp3,temp3);}}else{//去除非ip格式的相邻重复项if (strcmp(temp1,temp5)){memset(temp5, 0, sizeof(char)*256 );strncpy(temp5,temp1,256);fprintf(fpw, "%s",temp1);}}j = 0;i = 0;} while(1);fclose(fpr);fclose(fpw);}void ipSelect2(char *ResultName){string s1, s2;ifstream fin("temp_2");ofstream fou(ResultName);while (getline(fin, s1)){if (s1.compare(s2)){s2 = s1;fou << s1 << endl;}}fin.close();fou.close();}