[C++] 파일 한줄씩 읽기 두가지 함수

/*

파일 한줄씩 읽기 두가지 함수

*/

#include <iostream>

#include <string>

#include <string.h>

#include <vector>

#include <fstream>

#include <stdio.h>

using namespace std;

vector<string> ReadAllLines1(string sPath);

vector<string> ReadAllLines2(string sPath);

int main()

{

cout << "ReadAllLines1------------------"<< endl;

vector<string> vec1;

vec1 = ReadAllLines1 ("Sum.cpp");

for(auto s:vec1)

{

cout << s << endl;

}

cout << "ReadAllLines2------------------"<< endl;

vector<string> vec2;

vec2 = ReadAllLines2 ("Sum.cpp");

for(auto s:vec2)

{

cout << s << endl;

}

return 0;

}

vector<string> ReadAllLines1(string sPath)

{

vector<string> vRet;

        FILE *fp = fopen(sPath.c_str(), "r");

        if (NULL != fp)

        {

char buf[512];

char *ps;

while (NULL != fgets(buf, sizeof(buf), fp)) 

{

ps = strchr(buf, '\n');

if (ps != NULL) *ps = '\0';

vRet.push_back(string(buf));

}

                fclose(fp);

}

return vRet;

}

vector<string> ReadAllLines2(string sPath)

{

vector<string> vRet;

string sLine("");

ifstream in(sPath.c_str());

if (in.is_open())

{

while(!in.eof())

{

getline(in, sLine);

vRet.push_back(sLine);

}

in.close();

}

return vRet;

}