C++ show_date函数代码示例

static int add_user_info(const char *what, enum cmit_fmt fmt, char *buf, const char *line)
{
	char *date;
	int namelen;
	unsigned long time;
	int tz, ret;
	const char *filler = "    ";

	if (fmt == CMIT_FMT_ONELINE)
		return 0;
	date = strchr(line, '>');
	if (!date)
		return 0;
	namelen = ++date - line;
	time = strtoul(date, &date, 10);
	tz = strtol(date, NULL, 10);

	ret = sprintf(buf, "%s: %.*s%.*s\n", what,
		      (fmt == CMIT_FMT_FULLER) ? 4 : 0,
		      filler, namelen, line);
	switch (fmt) {
	case CMIT_FMT_MEDIUM:
		ret += sprintf(buf + ret, "Date:   %s\n", show_date(time, tz));
		break;
	case CMIT_FMT_FULLER:
		ret += sprintf(buf + ret, "%sDate: %s\n", what, show_date(time, tz));
		break;
	default:
		/* notin' */
		break;
	}
	return ret;
}

static char *emit_suspect_detail(struct blame_origin *suspect)
{
	struct commitinfo *info;
	struct strbuf detail = STRBUF_INIT;

	info = cgit_parse_commit(suspect->commit);

	strbuf_addf(&detail, "author  %s", info->author);
	if (!ctx.cfg.noplainemail)
		strbuf_addf(&detail, " %s", info->author_email);
	strbuf_addf(&detail, "  %s\n",
		    show_date(info->author_date, info->author_tz,
				    cgit_date_mode(DATE_ISO8601)));

	strbuf_addf(&detail, "committer  %s", info->committer);
	if (!ctx.cfg.noplainemail)
		strbuf_addf(&detail, " %s", info->committer_email);
	strbuf_addf(&detail, "  %s\n\n",
		    show_date(info->committer_date, info->committer_tz,
				    cgit_date_mode(DATE_ISO8601)));

	strbuf_addstr(&detail, info->subject);

	cgit_free_commitinfo(info);
	return strbuf_detach(&detail, NULL);
}

void pp_user_info(const char *what, enum cmit_fmt fmt, struct strbuf *sb,
		  const char *line, enum date_mode dmode,
		  const char *encoding)
{
	char *date;
	int namelen;
	unsigned long time;
	int tz;
	const char *filler = "    ";

	if (fmt == CMIT_FMT_ONELINE)
		return;
	date = strchr(line, '>');
	if (!date)
		return;
	namelen = ++date - line;
	time = strtoul(date, &date, 10);
	tz = strtol(date, NULL, 10);

	if (fmt == CMIT_FMT_EMAIL) {
		char *name_tail = strchr(line, '<');
		int display_name_length;
		if (!name_tail)
			return;
		while (line < name_tail && isspace(name_tail[-1]))
			name_tail--;
		display_name_length = name_tail - line;
		filler = "";
		strbuf_addstr(sb, "From: ");
		add_rfc2047(sb, line, display_name_length, encoding);
		strbuf_add(sb, name_tail, namelen - display_name_length);
		strbuf_addch(sb, '\n');
	} else {
		strbuf_addf(sb, "%s: %.*s%.*s\n", what,
			      (fmt == CMIT_FMT_FULLER) ? 4 : 0,
			      filler, namelen, line);
	}
	switch (fmt) {
	case CMIT_FMT_MEDIUM:
		strbuf_addf(sb, "Date:   %s\n", show_date(time, tz, dmode));
		break;
	case CMIT_FMT_EMAIL:
		strbuf_addf(sb, "Date: %s\n", show_date(time, tz, DATE_RFC2822));
		break;
	case CMIT_FMT_FULLER:
		strbuf_addf(sb, "%sDate: %s\n", what, show_date(time, tz, dmode));
		break;
	default:
		/* notin' */
		break;
	}
}

int main(int argc, char **argv) {
	int opt;
	//struct timeval tv;

	getopt_init();

	while (-1 != (opt = getopt(argc, argv, "hs:"))) {
		printf("\n");
		switch (opt) {
		case 'h': /* show help */
			print_usage();
			break;
		case 's': /* set date*/
			set_date(argv[2]);
			break;
		default:
			break;
		}
	}

	/* show date and kernel time */
	if (argc == 1) {
		show_date();
		//ktime_get_timeval(&tv);
		//printf("ktime_get_timeval %d:%d (s:ms)\n", (int)tv.tv_sec, (int)tv.tv_usec/1000);
		return 0;
	}
	check_format(argv[argc-1]);

	return 0;
}

static const char *format_time(timestamp_t time, const char *tz_str,
			       int show_raw_time)
{
	static struct strbuf time_buf = STRBUF_INIT;

	strbuf_reset(&time_buf);
	if (show_raw_time) {
		strbuf_addf(&time_buf, "%"PRItime" %s", time, tz_str);
	}
	else {
		const char *time_str;
		size_t time_width;
		int tz;
		tz = atoi(tz_str);
		time_str = show_date(time, tz, &blame_date_mode);
		strbuf_addstr(&time_buf, time_str);
		/*
		 * Add space paddings to time_buf to display a fixed width
		 * string, and use time_width for display width calibration.
		 */
		for (time_width = utf8_strwidth(time_str);
		     time_width < blame_date_width;
		     time_width++)
			strbuf_addch(&time_buf, ' ');
	}
	return time_buf.buf;
}

static void save_dc(struct membuffer *b, struct dive *dive, struct divecomputer *dc)
{
	put_format(b, "  <divecomputer");
	show_utf8(b, dc->model, " model='", "'", 1);
	if (dc->deviceid)
		put_format(b, " deviceid='%08x'", dc->deviceid);
	if (dc->diveid)
		put_format(b, " diveid='%08x'", dc->diveid);
	if (dc->when && dc->when != dive->when)
		show_date(b, dc->when);
	if (dc->duration.seconds && dc->duration.seconds != dive->dc.duration.seconds)
		put_duration(b, dc->duration, " duration='", " min'");
	if (dc->divemode != OC) {
		for (enum dive_comp_type i = 0; i < NUM_DC_TYPE; i++)
			if (dc->divemode == i)
				show_utf8(b, divemode_text[i], " dctype='", "'", 1);
		if (dc->no_o2sensors)
			put_format(b," no_o2sensors='%d'", dc->no_o2sensors);
	}
	put_format(b, ">\n");
	save_depths(b, dc);
	save_temperatures(b, dc);
	save_airpressure(b, dc);
	save_salinity(b, dc);
	put_duration(b, dc->surfacetime, "  <surfacetime>", " min</surfacetime>\n");
	save_extra_data(b, dc->extra_data);
	save_events(b, dc->events);
	save_samples(b, dc->samples, dc->sample);

	put_format(b, "  </divecomputer>\n");
}

void save_one_dive_to_mb(struct membuffer *b, struct dive *dive)
{
	struct divecomputer *dc;

	put_string(b, "<dive");
	if (dive->number)
		put_format(b, " number='%d'", dive->number);
	if (dive->tripflag == NO_TRIP)
		put_format(b, " tripflag='NOTRIP'");
	if (dive->rating)
		put_format(b, " rating='%d'", dive->rating);
	if (dive->visibility)
		put_format(b, " visibility='%d'", dive->visibility);
	save_tags(b, dive->tag_list);
	if (dive->dive_site_uuid)
		put_format(b, " divesiteid='%8x'", dive->dive_site_uuid);
	show_date(b, dive->when);
	put_format(b, " duration='%u:%02u min'>\n",
		   FRACTION(dive->dc.duration.seconds, 60));
	save_overview(b, dive);
	save_cylinder_info(b, dive);
	save_weightsystem_info(b, dive);
	save_dive_temperature(b, dive);
	/* Save the dive computer data */
	for_each_dc(dive, dc)
		save_dc(b, dive, dc);
	FOR_EACH_PICTURE(dive)
		save_picture(b, picture);
	put_format(b, "</dive>\n");
}

void get_reflog_selector(struct strbuf *sb,
			 struct reflog_walk_info *reflog_info,
			 const struct date_mode *dmode, int force_date,
			 int shorten)
{
	struct commit_reflog *commit_reflog = reflog_info->last_commit_reflog;
	struct reflog_info *info;
	const char *printed_ref;

	if (!commit_reflog)
		return;

	if (shorten) {
		if (!commit_reflog->reflogs->short_ref)
			commit_reflog->reflogs->short_ref
				= shorten_unambiguous_ref(commit_reflog->reflogs->ref, 0);
		printed_ref = commit_reflog->reflogs->short_ref;
	} else {
		printed_ref = commit_reflog->reflogs->ref;
	}

	strbuf_addf(sb, "%[email protected]{", printed_ref);
	if (commit_reflog->selector == SELECTOR_DATE ||
	    (commit_reflog->selector == SELECTOR_NONE && force_date)) {
		info = &commit_reflog->reflogs->items[commit_reflog->recno+1];
		strbuf_addstr(sb, show_date(info->timestamp, info->tz, dmode));
	} else {
		strbuf_addf(sb, "%d", commit_reflog->reflogs->nr
			    - 2 - commit_reflog->recno);
	}

	strbuf_addch(sb, '}');
}

static int read_ref_at_ent(unsigned char *osha1, unsigned char *nsha1,
		const char *email, unsigned long timestamp, int tz,
		const char *message, void *cb_data)
{
	struct read_ref_at_cb *cb = cb_data;

	cb->reccnt++;
	cb->tz = tz;
	cb->date = timestamp;

	if (timestamp <= cb->at_time || cb->cnt == 0) {
		if (cb->msg)
			*cb->msg = xstrdup(message);
		if (cb->cutoff_time)
			*cb->cutoff_time = timestamp;
		if (cb->cutoff_tz)
			*cb->cutoff_tz = tz;
		if (cb->cutoff_cnt)
			*cb->cutoff_cnt = cb->reccnt - 1;
		/*
		 * we have not yet updated cb->[n|o]sha1 so they still
		 * hold the values for the previous record.
		 */
		if (!is_null_sha1(cb->osha1)) {
			hashcpy(cb->sha1, nsha1);
			if (hashcmp(cb->osha1, nsha1))
				warning("Log for ref %s has gap after %s.",
					cb->refname, show_date(cb->date, cb->tz, DATE_MODE(RFC2822)));
		}
		else if (cb->date == cb->at_time)
			hashcpy(cb->sha1, nsha1);
		else if (hashcmp(nsha1, cb->sha1))
			warning("Log for ref %s unexpectedly ended on %s.",
				cb->refname, show_date(cb->date, cb->tz,
						       DATE_MODE(RFC2822)));
		hashcpy(cb->osha1, osha1);
		hashcpy(cb->nsha1, nsha1);
		cb->found_it = 1;
		return 1;
	}
	hashcpy(cb->osha1, osha1);
	hashcpy(cb->nsha1, nsha1);
	if (cb->cnt > 0)
		cb->cnt--;
	return 0;
}

static void parse_approxidate(const char **argv, struct timeval *now)
{
	for (; *argv; argv++) {
		time_t t;
		t = approxidate_relative(*argv, now);
		printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(ISO8601)));
	}
}

int main (int args, char *argv[])
{
    if (wiringPiSetup () == -1)
        exit (1) ;
    int fd = lcdInit (2, 16, 4, RS, EN, D0,D1,D2,D3,D0,D1,D2,D3) ;
    if (fd == -1)
    {
        printf ("lcdInit 1 failed\n") ;
        return 1 ;
    }
    sleep (1) ; //显示屏初始化
    
    lcdPosition (fd, 0, 0); lcdPuts (fd, "  Raspberry Pi!"); //启动信息
    sleep(1);
    
    if(argv[1])
    {
        lcdPosition (fd, 0, 0) ;
        lcdPuts (fd, "                ") ; //清空第一行
        lcdPosition (fd, 0, 0) ; lcdPuts (fd, argv[1]) ; //命令行参数显示至第一行
    } 
    
	int start,now;
    while(1)
    {
		show_date(fd);
		cls(fd);
		
		show_sys_info(fd);
		sleep(5);
		cls(fd);
		
		start = show_run_time(fd);
		while(now - start < 5){
			now = show_run_time(fd);
			sleep(1);
		}
		cls(fd);

		show_net_info(fd);
		sleep(5);
		cls(fd);
		
		show_client_count(fd);
		sleep(3);
		cls(fd);
		
		show_client_info(fd);
		cls(fd);
		
		show_temp(fd);
        sleep(5);
		cls(fd);
    }

    return 0;
    
}

int myDate::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
    _id = QLCDNumber::qt_metacall(_c, _id, _a);
    if (_id < 0)
        return _id;
    if (_c == QMetaObject::InvokeMetaMethod) {
        switch (_id) {
        case 0: show_date(); break;
        default: ;
        }
        _id -= 1;
    }
    return _id;
}

static void parse_dates(char **argv, struct timeval *now)
{
	for (; *argv; argv++) {
		char result[100];
		unsigned long t;
		int tz;

		result[0] = 0;
		parse_date(*argv, result, sizeof(result));
		if (sscanf(result, "%lu %d", &t, &tz) == 2)
			printf("%s -> %s\n",
			       *argv, show_date(t, tz, DATE_ISO8601));
		else
			printf("%s -> bad\n", *argv);
	}
}

static int
show_widget (CmdConfig *cmd_config, CameraWidget *widget)
{
	CameraWidget *parent;
	CameraWidgetType type;

	CHECK (gp_widget_get_type (widget, &type));
	switch (type) {
	case GP_WIDGET_WINDOW:
	case GP_WIDGET_SECTION:
		CHECK (show_section (cmd_config, widget));
		break;
	case GP_WIDGET_DATE:
		CHECK (show_date (cmd_config, widget));
		CHECK (show_time (cmd_config, widget));
		CHECK (gp_widget_get_parent (widget, &parent));
		CHECK (show_widget (cmd_config, parent));
		break;
	case GP_WIDGET_MENU:
	case GP_WIDGET_RADIO:
		CHECK (show_radio (cmd_config, widget));
		CHECK (gp_widget_get_parent (widget, &parent));
		CHECK (show_widget (cmd_config, parent));
		break;
	case GP_WIDGET_RANGE:
		CHECK (show_range (cmd_config, widget));
		CHECK (gp_widget_get_parent (widget, &parent));
		CHECK (show_widget (cmd_config, parent));
		break;
	case GP_WIDGET_TEXT:
		CHECK (show_text (cmd_config, widget));
		CHECK (gp_widget_get_parent (widget, &parent));
		CHECK (show_widget (cmd_config, parent));
		break;
	case GP_WIDGET_TOGGLE:
		CHECK (show_toggle (cmd_config, widget));
		CHECK (gp_widget_get_parent (widget, &parent));
		CHECK (show_widget (cmd_config, parent));
		break;
	default:
		return (GP_ERROR_NOT_SUPPORTED);
	}

	return (GP_OK);
}

static void parse_dates(const char **argv, struct timeval *now)
{
	struct strbuf result = STRBUF_INIT;

	for (; *argv; argv++) {
		unsigned long t;
		int tz;

		strbuf_reset(&result);
		parse_date(*argv, &result);
		if (sscanf(result.buf, "%lu %d", &t, &tz) == 2)
			printf("%s -> %s\n",
			       *argv, show_date(t, tz, DATE_MODE(ISO8601)));
		else
			printf("%s -> bad\n", *argv);
	}
	strbuf_release(&result);
}