second itog

#include <unistd.h>
#include <stdio.h>
#include <dirent.h>
#include <string.h>
#include <sys/stat.h>
#include <stdlib.h>

int ifAvi(const char * filePath);
int getSize(const char * filePath);
int ifSame(const char * firsFilePath, const char * secondFilePath);
void  fileCount(  char * dir,   char * filePath, int * count);
void dirwalker(  char * startDir,   char * finishDir);


//C:/Users/m video/Desktop/videos
int main(){
    char startDir[PATH_MAX+1], finishDir[PATH_MAX+1];

    gets(startDir);
    gets(finishDir);

    printf("-------------------------\n");

    strcat(finishDir, "/");
    strcat(finishDir, "avis");

    mkdir(finishDir);

    dirwalker(startDir, finishDir);

    return 0;
}
//C:/Users/m video/Desktop/videos
int getSize(const char * filePath){
    int size;

    FILE * f = fopen(filePath, "r");
    if(!f)return -1;

    fseek(f, 0L, SEEK_END);
    size = ftell(f);

    fclose(f);

    return size;
}
//C:/Users/m video/Desktop/videos
int ifAvi(const char * filePath){
    FILE * f = fopen(filePath, "rb");
    if(!f) return -1;

    char buf[13];
    size_t result = fread(buf, 1, 12, f);

    if(result < 12) return 0;

    if(buf[0] != 'R') return 0;
    if(buf[1] != 'I') return 0;
    if(buf[2] != 'F') return 0;
    if(buf[3] != 'F') return 0;
    if(buf[8] != 'A') return 0;
    if(buf[9] != 'V') return 0;
    if(buf[10] != 'I') return 0;

    fclose(f);
    return 1;
}
//C:/Users/m video/Desktop/videos
int ifSame(const char * firsFilePath, const char * secondFilePath){
    FILE * fisrtFile = fopen(firsFilePath, "r");
    if(!fisrtFile) return -1;

    FILE * secondFile = fopen(secondFilePath, "r");
    if(!secondFile) return -1;

    int firstFileSize = getSize(firsFilePath);
    int secondFileSize = getSize(secondFilePath);
    char first;
    char second;

    if(firstFileSize != secondFileSize) return 0;

    for(int i; i<firstFileSize; i++){
        first = fgetc(fisrtFile);
        second = fgetc(secondFile);
        if(first!=second) return 0;
    }
    return 1;
}
//C:/Users/m video/Desktop/videos
void fileCount(char * dir, char * filePath, int * count){
    DIR *dp;
    if((dp = opendir(dir)) == NULL) {
        printf("cannot open directory\n");
        return;
    }

    char currentPath[PATH_MAX+1];

    struct dirent *entry;
    struct stat statbuf;

    chdir(dir);
    while((entry = readdir(dp)) != NULL) {

        strcpy(currentPath, dir);
        strcat(currentPath, "/");
        strcat(currentPath, entry->d_name);

        stat(entry->d_name,&statbuf);
        if(S_ISDIR(statbuf.st_mode)) {
            if(strcmp(".",entry->d_name) == 0 || strcmp("..",entry->d_name) == 0 || strcmp("avis",entry->d_name) == 0)
                continue;

            fileCount(currentPath, filePath, count);
        }
        //printf("FILECOUNT:\ncurrentPath: %s\n", currentPath);
        if(ifSame(filePath, currentPath) == 1) {
            *(count)=*(count) + 1;

        }
    }
    chdir("..");
    closedir(dp);
}
//C:/Users/m video/Desktop/videos
void dirwalker( char * startDir,  char * finishDir)
{
    DIR *dp;
    if((dp = opendir(startDir)) == NULL) {
        printf("cannot open directory\n");
        return;
    }

    char currentPath[PATH_MAX+1];

    struct dirent *entry;
    struct stat statbuf;

    chdir(startDir);
    while((entry = readdir(dp)) != NULL) {
        strcpy(currentPath, startDir);
        strcat(currentPath, "/");
        strcat(currentPath, entry->d_name);

        stat(entry->d_name,&statbuf);
        if(S_ISDIR(statbuf.st_mode)) {
            if(strcmp(".",entry->d_name) == 0 || strcmp("..",entry->d_name) == 0 || strcmp("avis",entry->d_name) == 0)
                continue;
            dirwalker(currentPath, finishDir);
        }

        //ПЫТАЕМСЯ ПЕРЕНЕСТИ ДУБЛИКАТЫ
        printf("%s\n", currentPath);

        if(ifAvi(currentPath) != 1) continue;

        int count = 0;
        fileCount(startDir, currentPath, &count);
        if(count <= 1) continue;

        char newPath[PATH_MAX+1];
        strcpy(newPath, finishDir);
        strcat(newPath, "/");
        strcat(newPath, entry->d_name);

        rename(currentPath, newPath);
    }
    chdir("..");
    closedir(dp);
}

//C:/Users/m video/Desktop/videos