C++ (Cpp) cmd_show_environment_print示例

示例#1

文件： cmd-show-environment.c 项目： kylape/tmux

enum cmd_retval
cmd_show_environment_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args		*args = self->args;
	struct session		*s;
	struct environ		*env;
	struct environ_entry	*envent;

	if (args_has(self->args, 'g'))
		env = global_environ;
	else {
		s = cmd_find_session(cmdq, args_get(args, 't'), 0);
		if (s == NULL)
			return (CMD_RETURN_ERROR);
		env = s->environ;
	}

	if (args->argc != 0) {
		envent = environ_find(env, args->argv[0]);
		if (envent == NULL) {
			cmdq_error(cmdq, "unknown variable: %s", args->argv[0]);
			return (CMD_RETURN_ERROR);
		}
		cmd_show_environment_print(self, cmdq, envent);
		return (CMD_RETURN_NORMAL);
	}

	envent = environ_first(env);
	while (envent != NULL) {
		cmd_show_environment_print(self, cmdq, envent);
		envent = environ_next(envent);
	}
	return (CMD_RETURN_NORMAL);
}

示例#2

文件： cmd-show-environment.c 项目： 20400992/tmux

enum cmd_retval
cmd_show_environment_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args		*args = self->args;
	struct environ		*env;
	struct environ_entry	*envent;
	const char		*target;

	if ((target = args_get(args, 't')) != NULL) {
		if (cmdq->state.tflag.s == NULL) {
			cmdq_error(cmdq, "no such session: %s", target);
			return (CMD_RETURN_ERROR);
		}
	}

	if (args_has(self->args, 'g'))
		env = global_environ;
	else {
		if (cmdq->state.tflag.s == NULL) {
			target = args_get(args, 't');
			if (target != NULL)
				cmdq_error(cmdq, "no such session: %s", target);
			else
				cmdq_error(cmdq, "no current session");
			return (CMD_RETURN_ERROR);
		}
		env = cmdq->state.tflag.s->environ;
	}

	if (args->argc != 0) {
		envent = environ_find(env, args->argv[0]);
		if (envent == NULL) {
			cmdq_error(cmdq, "unknown variable: %s", args->argv[0]);
			return (CMD_RETURN_ERROR);
		}
		cmd_show_environment_print(self, cmdq, envent);
		return (CMD_RETURN_NORMAL);
	}

	envent = environ_first(env);
	while (envent != NULL) {
		cmd_show_environment_print(self, cmdq, envent);
		envent = environ_next(envent);
	}
	return (CMD_RETURN_NORMAL);
}