Function cmd_mv

components/finsh/msh_file.c:242–298

MSH_CMD_EXPORT_ALIAS(cmd_cp, cp, Copy SOURCE to DEST.);

static int cmd_mv(int argc, char **argv)
{
    if (argc != 3)
    {
        rt_kprintf("Usage: mv SOURCE DEST\n");
        rt_kprintf("Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.\n");
    }
    else
    {
        int fd;
        char *dest = RT_NULL;

        rt_kprintf("%s => %s\n", argv[1], argv[2]);

        fd = open(argv[2], O_DIRECTORY, 0);
        if (fd >= 0)
        {
            char *src;

            close(fd);

            /* it's a directory */
            dest = (char *)rt_malloc(DFS_PATH_MAX);
            if (dest == RT_NULL)
            {
                rt_kprintf("out of memory\n");
                return -RT_ENOMEM;
            }

            src = argv[1] + rt_strlen(argv[1]);
            while (src != argv[1])
            {
                if (*src == '/') break;
                src --;
            }

            rt_snprintf(dest, DFS_PATH_MAX - 1, "%s/%s", argv[2], src);
        }
        else
        {
            fd = open(argv[2], O_RDONLY, 0);
            if (fd >= 0)
            {
                close(fd);

                unlink(argv[2]);
            }

            dest = argv[2];
        }

        rename(argv[1], dest);
        if (dest != RT_NULL && dest != argv[2]) rt_free(dest);
    }

    return 0;
}
MSH_CMD_EXPORT_ALIAS(cmd_mv, mv, Rename SOURCE to DEST.);