date.h File Reference

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Data Structures
struct	dateinfo

Macros
#define	DATE_DST_AUTO   2 /* compute DST automatically */
#define	DATE_DST_OFF   0 /* force DST to be off */
#define	DATE_DST_ON   1 /* force DST to be on */
#define	isleap(x)   ((x)%4==0) /* leap year? (1970-2099) */
#define	ltim2utim(x)   ((x)+TIMEZONE*SECPERHR)
#define	ntim2xtim(x)   ((x)-2208988800U) /* net-to-xinu time */
#define	SECPERDY   (60*60*24) /* one day in seconds */
#define	SECPERHR   (60*60) /* one hour in seconds */
#define	SECPERMN   (60) /* one minute in seconds */
#define	TIMELPORT   53678 /* local UDP port for time */
#define	TIMERPORT   123 /* UDP port for time server */
#define	TIMESERVER   "128.10.19.24" /* IP address of NTP time server*/
#define	TIMETIMEOUT   2000 /* timeout for time server (ms) */
#define	TIMEZONE   ZONE_EST /* timezone for this system */
#define	utim2ltim(x)   ((x)-TIMEZONE*SECPERHR)
#define	xtim2ntim(x)   ((x)+2208988800U) /* xinu-to-net time */
#define	ZONE_CST   6 /* hours west of England */
#define	ZONE_EST   5 /* Eastern Standard time is 5 */
#define	ZONE_MST   7
#define	ZONE_PST   8

Variables
struct dateinfo	Date

Macro Definition Documentation

DATE_DST_AUTO

#define DATE_DST_AUTO   2 /* compute DST automatically */

Definition at line 22 of file date.h.

Referenced by ascdate(), and xsh_date().

DATE_DST_OFF

#define DATE_DST_OFF   0 /* force DST to be off */

Definition at line 20 of file date.h.

Referenced by xsh_date().

DATE_DST_ON

#define DATE_DST_ON   1 /* force DST to be on */

Definition at line 21 of file date.h.

Referenced by ascdate(), and xsh_date().

isleap

#define isleap

(

x

)

((x)%4==0) /* leap year? (1970-2099) */

Definition at line 42 of file date.h.

Referenced by ascdate().

ltim2utim

#define ltim2utim

(

x

)

((x)+TIMEZONE*SECPERHR)

Definition at line 58 of file date.h.

ntim2xtim

#define ntim2xtim

(

x

)

((x)-2208988800U) /* net-to-xinu time */

Definition at line 15 of file date.h.

Referenced by getutime().

SECPERDY

#define SECPERDY   (60*60*24) /* one day in seconds */

Definition at line 43 of file date.h.

Referenced by ascdate().

SECPERHR

#define SECPERHR   (60*60) /* one hour in seconds */

Definition at line 44 of file date.h.

Referenced by ascdate().

SECPERMN

#define SECPERMN   (60) /* one minute in seconds */

Definition at line 45 of file date.h.

Referenced by ascdate().

TIMELPORT

#define TIMELPORT   53678 /* local UDP port for time */

Definition at line 61 of file date.h.

Referenced by getutime().

TIMERPORT

#define TIMERPORT   123 /* UDP port for time server */

Definition at line 60 of file date.h.

Referenced by getutime().

TIMESERVER

#define TIMESERVER   "128.10.19.24" /* IP address of NTP time server*/

Definition at line 64 of file date.h.

Referenced by getutime().

TIMETIMEOUT

#define TIMETIMEOUT   2000 /* timeout for time server (ms) */

Definition at line 67 of file date.h.

Referenced by getutime().

TIMEZONE

#define TIMEZONE   ZONE_EST /* timezone for this system */

Definition at line 53 of file date.h.

Referenced by ascdate().

utim2ltim

#define utim2ltim

(

x

)

((x)-TIMEZONE*SECPERHR)

Definition at line 57 of file date.h.

Referenced by gettime().

xtim2ntim

#define xtim2ntim

(

x

)

((x)+2208988800U) /* xinu-to-net time */

Definition at line 16 of file date.h.

ZONE_CST

#define ZONE_CST   6 /* hours west of England */

Definition at line 50 of file date.h.

ZONE_EST

#define ZONE_EST   5 /* Eastern Standard time is 5 */

Definition at line 49 of file date.h.

ZONE_MST

#define ZONE_MST   7

Definition at line 51 of file date.h.

ZONE_PST

#define ZONE_PST   8

Definition at line 52 of file date.h.

Variable Documentation

Date

struct dateinfo Date

Definition at line 6 of file ascdate.c.

Referenced by getutime(), and xsh_date().