Function msh_auto_complete_path

components/finsh/msh.c:630–773

#ifdef DFS_USING_POSIX
void msh_auto_complete_path(char *path)
{
    DIR *dir = RT_NULL;
    struct dirent *dirent = RT_NULL;
    char *full_path, *ptr, *index;

    if (!path)
        return;

    full_path = (char *)rt_malloc(256);
    if (full_path == RT_NULL) return; /* out of memory */

    if (*path != '/')
    {
        getcwd(full_path, 256);
        if (full_path[rt_strlen(full_path) - 1]  != '/')
            strcat(full_path, "/");
    }
    else *full_path = '\0';

    index = RT_NULL;
    ptr = path;
    for (;;)
    {
        if (*ptr == '/') index = ptr + 1;
        if (!*ptr) break;

        ptr ++;
    }
    if (index == RT_NULL) index = path;

    if (index != RT_NULL)
    {
        char *dest = index;

        /* fill the parent path */
        ptr = full_path;
        while (*ptr) ptr ++;

        for (index = path; index != dest;)
            *ptr++ = *index++;
        *ptr = '\0';

        dir = opendir(full_path);
        if (dir == RT_NULL) /* open directory failed! */
        {
            rt_free(full_path);
            return;
        }

        /* restore the index position */
        index = dest;
    }

    /* auto complete the file or directory name */
    if (*index == '\0') /* display all of files and directories */
    {
        for (;;)