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

void deleteEmptyFileInDirectory(const char* directory);
void deleteEmptyFileInDirectory(DIR* directory);

int main(int argc, char** argv) {
    if(argc < 2) {
        fprintf(stderr, "Error argc! No file path to delete empty file in directory!\n");
    }

    char* directory = argv[1];
    deleteEmptyFileInDirectory(directory);

    return 0;
}

void deleteEmptyFileInDirectory(const char* pathToDirectory) {
    char* runDirectory = getcwd(NULL, 0);

    DIR* directory = opendir(pathToDirectory);
    deleteEmptyFileInDirectory(directory);
    closedir(directory);

    chdir(runDirectory);
}

void deleteEmptyFileInDirectory(DIR* directory) {
    struct dirent* fileDirent = readdir(directory);

    while(fileDirent != NULL) {
        char *fileName = fileDirent->d_name;
        if(strcmp(fileName, ".") != 0 && strcmp(fileName, "..") != 0) {
            struct stat stateFile;
            stat(fileName, &stateFile);
            if(S_ISREG(stateFile.st_mode) != 0 && stateFile.st_size == 0) {
                remove(fileName);
            }
        }
        fileDirent = readdir(directory);
    }
}