Subversion Repositories HelenOS

/* (re)allocates memory to store the current working directory, gets

 * and updates the current working directory, formats the prompt

 * string */

unsigned int cli_set_prompt(cliuser_t *usr)

{

    usr->prompt = (char *) realloc(usr->prompt, PATH_MAX);

    if (NULL == usr->prompt) {

        cli_error(CL_ENOMEM, "Can not allocate prompt");

        cli_errno = CL_ENOMEM;

        return 1;

    }

    memset(usr->prompt, 0, sizeof(usr->prompt));

    usr->cwd = (char *) realloc(usr->cwd, PATH_MAX);

    if (NULL == usr->cwd) {

        cli_error(CL_ENOMEM, "Can not allocate cwd");

        cli_errno = CL_ENOMEM;

        return 1;

    }

    memset(usr->cwd, 0, sizeof(usr->cwd));

    usr->cwd = getcwd(usr->cwd, PATH_MAX - 1);

    if (NULL == usr->cwd)

        snprintf(usr->cwd, PATH_MAX, "(unknown)");

    if (1 < cli_psprintf(&usr->prompt, "%s # ", usr->cwd)) {

        cli_error(cli_errno, "Failed to set prompt");

        return 1;

    }

    return 0;

}