Function ls

components/dfs/dfs_v2/src/dfs_file.c:2537–2701

* @brief List directory contents with colored output * * This function lists all entries in the specified directory with colored output * that distinguishes different file types. It handles: * - Directories (blue) * - Symbolic links (cyan with target path) * - Executable files (green) * - Character devices (yellow) * - Regular files (default color) * * @param[in] pathname The directory p

 * @param[in] pathname The directory path to list (NULL for current directory)
 */
void ls(const char *pathname)
{
    struct dirent dirent;
    struct stat stat;
    int length;
    char *fullpath, *path;
    struct dfs_file file;

    if (pathname == NULL)
    {
#ifdef DFS_USING_WORKDIR
        /* open current working directory */
        path = rt_strdup(working_directory);
#else
        path = rt_strdup("/");
#endif
        if (path == NULL)
        {
            return; /* out of memory */
        }
    }
    else
    {
        path = dfs_normalize_path(NULL, (char *)pathname);
        if (path == NULL)
        {
            return; /* out of memory */
        }
    }

    dfs_file_init(&file);

    /* list directory */
    DLOG(msg, "dfs", "dfs_file", DLOG_MSG, "dfs_file_open(%s, O_DIRECTORY, 0)", path);
    if (dfs_file_open(&file, path, O_DIRECTORY, 0) >= 0)
    {
        char *link_fn = (char *)rt_malloc(DFS_PATH_MAX);
        if (link_fn)
        {
            rt_kprintf("Directory %s:\n", path);
            do
            {
                memset(&dirent, 0, sizeof(struct dirent));

                DLOG(group, "foreach_item");
                DLOG(msg, "dfs", "dfs_file", DLOG_MSG, "dfs_file_getdents(&dirent)");
                length = dfs_file_getdents(&file, &dirent, sizeof(struct dirent));
                if (length > 0)
                {
                    DLOG(msg, "dfs_file", "dfs", DLOG_MSG_RET, "dirent.d_name=%s", dirent.d_name);
                    memset(&stat, 0, sizeof(struct stat));

                    /* build full path for each file */
                    fullpath = dfs_normalize_path(path, dirent.d_name);
                    if (fullpath == NULL)
                        break;

                    DLOG(msg, "dfs", "dfs_file", DLOG_MSG, "dfs_file_lstat(%s, &stat)", fullpath);