diff options
Diffstat (limited to 'src/include/utils/nabstime.h')
| -rw-r--r-- | src/include/utils/nabstime.h | 96 |
1 files changed, 51 insertions, 45 deletions
diff --git a/src/include/utils/nabstime.h b/src/include/utils/nabstime.h index 4db0fefa50c..5372501bcb0 100644 --- a/src/include/utils/nabstime.h +++ b/src/include/utils/nabstime.h @@ -1,12 +1,12 @@ /*------------------------------------------------------------------------- * * nabstime.h-- - * Definitions for the "new" abstime code. + * Definitions for the "new" abstime code. * * * Copyright (c) 1994, Regents of the University of California * - * $Id: nabstime.h,v 1.10 1997/08/19 21:40:47 momjian Exp $ + * $Id: nabstime.h,v 1.11 1997/09/07 05:02:46 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -18,7 +18,7 @@ /* ---------------------------------------------------------------- - * time types + support macros + * time types + support macros * * * ---------------------------------------------------------------- @@ -26,92 +26,98 @@ typedef int32 AbsoluteTime; typedef int32 RelativeTime; -typedef struct { - int32 status; - AbsoluteTime data[2]; -} TimeIntervalData; +typedef struct +{ + int32 status; + AbsoluteTime data[2]; +} TimeIntervalData; typedef TimeIntervalData *TimeInterval; /* * Reserved values * Epoch is Unix system time zero, but needs to be kept as a reserved - * value rather than converting to time since timezone calculations - * might move it away from 1970-01-01 00:00:00Z - tgl 97/02/20 + * value rather than converting to time since timezone calculations + * might move it away from 1970-01-01 00:00:00Z - tgl 97/02/20 * * Pre-v6.1 code had large decimal numbers for reserved values. * These were chosen as special 32-bit bit patterns, - * so redefine them explicitly using these bit patterns. - tgl 97/02/24 + * so redefine them explicitly using these bit patterns. - tgl 97/02/24 */ #define EPOCH_ABSTIME ((AbsoluteTime) 0) -#define INVALID_ABSTIME ((AbsoluteTime) 0x7FFFFFFE) /* 2147483647 == 2^31 - 1 */ -#define CURRENT_ABSTIME ((AbsoluteTime) 0x7FFFFFFD) /* 2147483646 == 2^31 - 2 */ -#define NOEND_ABSTIME ((AbsoluteTime) 0x7FFFFFFC) /* 2147483645 == 2^31 - 3 */ -#define BIG_ABSTIME ((AbsoluteTime) 0x7FFFFFFB) /* 2147483644 == 2^31 - 4 */ +#define INVALID_ABSTIME ((AbsoluteTime) 0x7FFFFFFE) /* 2147483647 == 2^31 - + * 1 */ +#define CURRENT_ABSTIME ((AbsoluteTime) 0x7FFFFFFD) /* 2147483646 == 2^31 - + * 2 */ +#define NOEND_ABSTIME ((AbsoluteTime) 0x7FFFFFFC) /* 2147483645 == 2^31 - + * 3 */ +#define BIG_ABSTIME ((AbsoluteTime) 0x7FFFFFFB) /* 2147483644 == 2^31 - + * 4 */ #if defined(aix) /* * AIX considers 2147483648 == -2147483648 (since they have the same bit - * representation) but uses a different sign sense in a comparison to - * these integer constants depending on whether the constant is signed + * representation) but uses a different sign sense in a comparison to + * these integer constants depending on whether the constant is signed * or not! */ -#define NOSTART_ABSTIME ((AbsoluteTime) INT_MIN) +#define NOSTART_ABSTIME ((AbsoluteTime) INT_MIN) #else -#define NOSTART_ABSTIME ((AbsoluteTime) 0x80000001) /* -2147483647 == - 2^31 */ -#endif /* aix */ +#define NOSTART_ABSTIME ((AbsoluteTime) 0x80000001) /* -2147483647 == - 2^31 */ +#endif /* aix */ -#define INVALID_RELTIME ((RelativeTime) 0x7FFFFFFE) /* 2147483647 == 2^31 - 1 */ +#define INVALID_RELTIME ((RelativeTime) 0x7FFFFFFE) /* 2147483647 == 2^31 - + * 1 */ #define AbsoluteTimeIsValid(time) \ - ((bool) ((time) != INVALID_ABSTIME)) + ((bool) ((time) != INVALID_ABSTIME)) #define AbsoluteTimeIsReal(time) \ - ((bool) (((AbsoluteTime) time) < NOEND_ABSTIME && \ - ((AbsoluteTime) time) > NOSTART_ABSTIME)) + ((bool) (((AbsoluteTime) time) < NOEND_ABSTIME && \ + ((AbsoluteTime) time) > NOSTART_ABSTIME)) /* have to include this because EPOCH_ABSTIME used to be invalid - yuk */ #define AbsoluteTimeIsBackwardCompatiblyValid(time) \ - ((bool) (((AbsoluteTime) time) != INVALID_ABSTIME && \ - ((AbsoluteTime) time) > EPOCH_ABSTIME)) + ((bool) (((AbsoluteTime) time) != INVALID_ABSTIME && \ + ((AbsoluteTime) time) > EPOCH_ABSTIME)) #define AbsoluteTimeIsBackwardCompatiblyReal(time) \ - ((bool) (((AbsoluteTime) time) < NOEND_ABSTIME && \ - ((AbsoluteTime) time) > NOSTART_ABSTIME && \ - ((AbsoluteTime) time) > EPOCH_ABSTIME)) + ((bool) (((AbsoluteTime) time) < NOEND_ABSTIME && \ + ((AbsoluteTime) time) > NOSTART_ABSTIME && \ + ((AbsoluteTime) time) > EPOCH_ABSTIME)) #define RelativeTimeIsValid(time) \ - ((bool) (((RelativeTime) time) != INVALID_RELTIME)) + ((bool) (((RelativeTime) time) != INVALID_RELTIME)) extern AbsoluteTime GetCurrentAbsoluteTime(void); /* * getSystemTime -- - * Returns system time. + * Returns system time. */ #define getSystemTime() \ - ((time_t) (time(0l))) + ((time_t) (time(0l))) /* - * nabstime.c prototypes + * nabstime.c prototypes */ extern AbsoluteTime nabstimein(char *timestr); -extern char *nabstimeout(AbsoluteTime time); +extern char *nabstimeout(AbsoluteTime time); -extern bool abstimeeq(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimene(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimelt(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimegt(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimele(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstimege(AbsoluteTime t1, AbsoluteTime t2); -extern bool abstime_finite(AbsoluteTime time); +extern bool abstimeeq(AbsoluteTime t1, AbsoluteTime t2); +extern bool abstimene(AbsoluteTime t1, AbsoluteTime t2); +extern bool abstimelt(AbsoluteTime t1, AbsoluteTime t2); +extern bool abstimegt(AbsoluteTime t1, AbsoluteTime t2); +extern bool abstimele(AbsoluteTime t1, AbsoluteTime t2); +extern bool abstimege(AbsoluteTime t1, AbsoluteTime t2); +extern bool abstime_finite(AbsoluteTime time); -extern AbsoluteTime datetime_abstime(DateTime *datetime); +extern AbsoluteTime datetime_abstime(DateTime * datetime); extern DateTime *abstime_datetime(AbsoluteTime abstime); -extern bool AbsoluteTimeIsBefore(AbsoluteTime time1, AbsoluteTime time2); -extern bool AbsoluteTimeIsAfter(AbsoluteTime time1, AbsoluteTime time2); +extern bool AbsoluteTimeIsBefore(AbsoluteTime time1, AbsoluteTime time2); +extern bool AbsoluteTimeIsAfter(AbsoluteTime time1, AbsoluteTime time2); -extern void abstime2tm(AbsoluteTime time, int *tzp, struct tm *tm, char *tzn); +extern void abstime2tm(AbsoluteTime time, int *tzp, struct tm * tm, char *tzn); -#endif /* NABSTIME_H */ +#endif /* NABSTIME_H */ |