Codicezozzo

#include <stdlib.h> /*exit*/
#include <stdio.h>
#include <errno.h> /*perror*/
#include <unistd.h> /*write, close*/
#include <sys/types.h> /*open*/
#include <sys/stat.h> /*open*/
#include <fcntl.h> /*open*/
#include <string.h> /*strlen*/
#define BUFDIM 1000
#define perm 0777

int main(int argc, char **argv) {

    int file_sorg, file_dest, nread;

    if(argc != 3) {
        perror("\nErrore. Inserire due argomenti.");
		exit (-1);
    }

    if ((file_sorg=open(argv[2], O_RDONLY)) < 0) {
        perror("\nFile non trovato!");
        exit (-1);
    }

    if ((file_dest=creat(argv[1], perm)) < 0) {
        perror("\nImpossibile creare il file!");
        close(file_sorg);
        exit (-1);
    }

    char buffer[BUFDIM];
    int wr=0;

    while ((nread=read(file_sorg, buffer, BUFDIM)) > 0) {
        printf("\nValore file_sorg: %d", file_sorg);
        wr=write(file_dest, buffer, strlen(buffer));
        printf("\nValore file_dest: %d", file_dest);

        if (wr==-1) {
            perror("Impossibile scrivere sul file\n");
            exit (-1);
        }

    }

    close(file_dest);
    close(file_sorg);
    exit(0);

}