handling_functions.c

#include "handling_functions.h"

int change_dir(const char *path) {
    // cd with error handling
    int cd = chdir(path);

    if (cd == -1) {
        perror("chdir error");
        exit(errno);
    }

    // ls with error handling
    int ls = list_content(path);

    if (ls == -1) {
        perror("ls error");
        exit(errno);
    }

    return EXIT_SUCCESS;
}

int list_content(const char *path) {
    // Open directory by path
    struct dirent *de;
    DIR *dr = opendir(path);

    if (dr == NULL) {
        fprintf(stderr, "Could not open current directory");
        return EXIT_FAILURE;
    }

    printf("\nContent of %s:\n", path);

    // Print directory content with its type
    while ((de = readdir(dr)) != NULL) {
        switch (de->d_type) {
            case DT_UNKNOWN:
                printf("%s (unknown)\n", de->d_name);
                break;
            case DT_REG:
                printf("%s (file)\n", de->d_name);
                break;
            case DT_DIR:
                printf("%s (directory)\n", de->d_name);
                break;
            case DT_FIFO:
                printf("%s (FIFO)\n", de->d_name);
                break;
            case DT_SOCK:
                printf("%s (socket)\n", de->d_name);
                break;
            case DT_CHR:
                printf("%s (char device)\n", de->d_name);
                break;
            case DT_BLK:
                printf("%s (block device)\n", de->d_name);
                break;
            case DT_LNK:
                printf("%s (symlink)\n", de->d_name);
                break;
            default:
                fprintf(stderr, "Invalid entry type");
                return EXIT_FAILURE;
        }
    }

    closedir(dr);

    return EXIT_SUCCESS;
}

int create_new_thread(const char *path) {
    // Create new thread with cd command and handle errors
    pthread_t new_thread;
    int ptc = pthread_create(&new_thread, NULL, change_dir, path);

    if (ptc == -1) {
        perror("pthread_create error");
        exit(errno);
    }

    // Join new thread
    int ptj = pthread_join(new_thread, NULL);

    if (ptj == -1) {
        perror("pthread_join error");
        exit(errno);
    }

    return EXIT_SUCCESS;
}