Lab 8

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

void copyfile(const char* source, const char* dest, int buffersize)
{
    FILE* pSource = fopen(source, "rb");
    FILE* pDest = fopen(dest, "wb");

    if(pSource && pDest)
    {
        char* buffer = (char*)malloc(buffersize*sizeof(char));
        fread(buffer, sizeof(char) ,buffersize,pSource);
        fwrite(buffer,sizeof(char),buffersize,pDest);
    }
    fclose(pSource);
    fclose(pDest);
}
int main ( void )
{

    /* zadanie 4
    copyfile("source.txt","dest.txt",1000);
    */

    /* zadanie 5 */

    FILE* pSource = fopen("plik.txt", "rb");
    FILE* pDest = fopen("nowyplik.txt", "wb");

    if(pSource && pDest)
    {
        char bufferPoczatek[5];
        char bufferSrodek[5];
        char bufferKoniec[5];

        fseek(pSource,0,SEEK_SET);
        fread(bufferPoczatek,1,5,pSource);
        fwrite(bufferPoczatek,1,5,pDest);

        fseek(pSource,0,SEEK_END);

        int srodek = ftell(pSource) / 2;
        fseek(pSource, srodek, SEEK_SET);

        fread(bufferSrodek,1,5,pSource);
        fwrite(bufferSrodek,1,5,pDest);

        fseek(pSource,-5,SEEK_END);

        fread(bufferKoniec,1,5,pSource);
        fwrite(bufferKoniec,1,5,pDest);

    }
    fclose(pSource);
    fclose(pDest);


    /* zadanie 1

    FILE* pFile = fopen("tekst.txt", "r");
    if(pFile)
    {
        while(feof(pFile) == 0)
        {
            char c[100];
            fgets(c,100,pFile);
            printf("%s",c);
        }
    }
    fclose(pFile);

    */

    /* zadanie 2

    int ilosc_znakow = 0;

    FILE* pFile = fopen("tekst.txt", "r");
    if(pFile)
    {
        while(feof(pFile) == 0)
        {
            char c[100];
            fgets(c,100,pFile);
            ilosc_znakow += strlen(c);
        //  printf("%s",c);
        }
        printf("%d",ilosc_znakow);
    }
    fclose(pFile);
    */

    /* zadanie 3

    FILE* pFile1 = fopen("tekst1.txt", "r");
    FILE* pFile2 = fopen("tekst2.txt", "r");

    if(pFile1 && pFile2)
    {
        while(1)
        {
            char c1[100];
            char c2[100];
            fgets(c1,100,pFile1);
            fgets(c2,100,pFile2);

            int result = strcmp(c1,c2);
            if(result != 0)
            {
                break;
            }
            else
            {
                printf("%s",c1);
            }
        }
    }
    fclose(pFile1);
    fclose(pFile2);

    */


    return 0;
}