Function msh_exec_script

components/finsh/msh_file.c:69–153

}

int msh_exec_script(const char *cmd_line, int size)
{
    int ret;
    int fd = -1;
    char *pg_name;
    int length, cmd_length = 0;

    if (size == 0) return -RT_ERROR;

    /* get the length of command0 */
    while ((cmd_line[cmd_length] != ' ' && cmd_line[cmd_length] != '\t') && cmd_length < size)
        cmd_length ++;

    /* get name length */
    length = cmd_length + 32;

    /* allocate program name memory */
    pg_name = (char *) rt_malloc(length);
    if (pg_name == RT_NULL) return -RT_ENOMEM;

    /* copy command0 */
    rt_memcpy(pg_name, cmd_line, cmd_length);
    pg_name[cmd_length] = '\0';

    if (strstr(pg_name, ".sh") != RT_NULL || strstr(pg_name, ".SH") != RT_NULL)
    {
        /* try to open program */
        fd = open(pg_name, O_RDONLY, 0);

        /* search in /bin path */
        if (fd < 0)
        {
            rt_snprintf(pg_name, length - 1, "/bin/%.*s", cmd_length, cmd_line);
            fd = open(pg_name, O_RDONLY, 0);
        }
    }

    rt_free(pg_name);
    if (fd >= 0)
    {
        /* found script */
        char *line_buf;
        int length;

        line_buf = (char *) rt_malloc(RT_CONSOLEBUF_SIZE);
        if (line_buf == RT_NULL)
        {
            close(fd);
            return -RT_ENOMEM;
        }

        /* read line by line and then exec it */
        do
        {
            length = msh_readline(fd, line_buf, RT_CONSOLEBUF_SIZE);
            if (length > 0)
            {
                char ch = '\0';