[C][praktyki] Program pobierajacy kod strony internetowej

#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <curl/curl.h>
#include <regex.h>
#include <fstream>

using namespace std;

int getFileSize(const string &fileName){
ifstream file(fileName.c_str(), ifstream::in | ifstream::binary);
if(!file.is_open()){
	return -1;
}
file.seekg(0,ios::end);
int fileSize = file.tellg();
file.close();
return fileSize;
}

size_t write_data(void *ptr, size_t size, size_t nmemb, FILE *plik){
	size_t written = fwrite(ptr,size,nmemb,plik);
	return written;
}

int main(int argos, char* argv[2]){


	CURL *curl;
	curl = curl_easy_init();
	CURLcode res;
	FILE *plikk;
	plikk = fopen("text.txt","a+");
	int lngh = getFileSize("text.txt");
	if(lngh==0){

		if(curl){
			curl_easy_setopt(curl,CURLOPT_URL,argv[1]);//pobiera url
			curl_easy_setopt(curl, CURLOPT_POST, 1);//
 			curl_easy_setopt(curl, CURLOPT_POSTFIELDS,
				 "title=CURL&action=edit");
 			curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,write_data);
			curl_easy_setopt(curl,CURLOPT_WRITEDATA,plikk);

			res = curl_easy_perform(curl);
			if(res != CURLE_OK){
				cout<<"curl_easy_perform() failed \n";
				//fprintf(stderr,"curl_easy_perform() failed: 							%s",curl_easy_strerror(res));
				return 1;
			}
			curl_easy_cleanup(curl);
			fclose(plikk);
		}

	FILE *file;
	file = fopen("text.txt","r");
	int status;
	regmatch_t pm[2];
	char msgbuf[100];
	regex_t myRegex;

	char *buffer;
	size_t result;
	long lsize;


	if(file){
		fseek(file,0,SEEK_END);
		lsize = ftell(file);
		rewind(file);

		buffer= (char*)malloc (sizeof(char)*lsize);
		if (buffer == NULL){
			cout<<"BUFFER MA WARTOSC NULL \n";
			return(1);
		}
		result =fread(buffer,1,lsize,file);
		if(result !=lsize){
			cout<<"BLAD ODCZYTU";
			return(1);
		}
		status= regcomp(&myRegex,argv[2],REG_EXTENDED | REG_ICASE);
        	if(status){
			cout<<"nie mozna skompilowac regex\n";
			exit(1);
		}
      		status = regexec(&myRegex,buffer,1,pm,REG_EXTENDED|REG_ICASE);
		cout<< "STATUS"<<endl;
		if( !status ){
            		puts("Match");
        	}
        	else if( status == REG_NOMATCH ){
          		puts("No match");
        	}
       		else{
                	regerror(status, &myRegex, msgbuf, sizeof(msgbuf));
                	fprintf(stderr, "Regex match failed: %s\n", msgbuf);
                	exit(1);
       		}

		fclose(file);
	}
}
else cout <<"nie otworzylismy  pliku" << endl;

	return 0;
}