diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-09-21 19:52:41 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-09-21 19:52:41 +0000 |
| commit | e303a2dbe8c434bfc4b63830c9019a893ef507ba (patch) | |
| tree | 2d095c702733eb3636fddcb2f668a20bbcba7f97 /src/backend/utils/adt/date.c | |
| parent | eb3adab5685ce5a60bcf96628244f1e2a8e0ab3b (diff) | |
Add last-ditch defense against attempts to compile datetime code with
-ffast-math.
Diffstat (limited to 'src/backend/utils/adt/date.c')
| -rw-r--r-- | src/backend/utils/adt/date.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/src/backend/utils/adt/date.c b/src/backend/utils/adt/date.c index 733b8fb304b..6c35f3ae009 100644 --- a/src/backend/utils/adt/date.c +++ b/src/backend/utils/adt/date.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.72 2002/09/04 20:31:27 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.73 2002/09/21 19:52:41 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -27,11 +27,19 @@ #include "utils/nabstime.h" #include "utils/timestamp.h" +/* + * gcc's -ffast-math switch breaks routines that expect exact results from + * expressions like timeval / 3600, where timeval is double. + */ +#ifdef __FAST_MATH__ +#error -ffast-math is known to break this code +#endif + -int time2tm(TimeADT time, struct tm * tm, fsec_t *fsec); -int timetz2tm(TimeTzADT *time, struct tm * tm, fsec_t *fsec, int *tzp); -int tm2time(struct tm * tm, fsec_t fsec, TimeADT *result); -int tm2timetz(struct tm * tm, fsec_t fsec, int tz, TimeTzADT *result); +static int time2tm(TimeADT time, struct tm * tm, fsec_t *fsec); +static int timetz2tm(TimeTzADT *time, struct tm * tm, fsec_t *fsec, int *tzp); +static int tm2time(struct tm * tm, fsec_t fsec, TimeADT *result); +static int tm2timetz(struct tm * tm, fsec_t fsec, int tz, TimeTzADT *result); static void AdjustTimeForTypmod(TimeADT *time, int32 typmod); /***************************************************************************** @@ -525,7 +533,7 @@ time_in(PG_FUNCTION_ARGS) /* tm2time() * Convert a tm structure to a time data type. */ -int +static int tm2time(struct tm * tm, fsec_t fsec, TimeADT *result) { #ifdef HAVE_INT64_TIMESTAMP @@ -542,7 +550,7 @@ tm2time(struct tm * tm, fsec_t fsec, TimeADT *result) * For dates within the system-supported time_t range, convert to the * local time zone. If out of this range, leave as GMT. - tgl 97/05/27 */ -int +static int time2tm(TimeADT time, struct tm * tm, fsec_t *fsec) { #ifdef HAVE_INT64_TIMESTAMP @@ -1285,7 +1293,7 @@ time_part(PG_FUNCTION_ARGS) /* tm2timetz() * Convert a tm structure to a time data type. */ -int +static int tm2timetz(struct tm * tm, fsec_t fsec, int tz, TimeTzADT *result) { #ifdef HAVE_INT64_TIMESTAMP @@ -1357,7 +1365,7 @@ timetz_out(PG_FUNCTION_ARGS) * For dates within the system-supported time_t range, convert to the * local time zone. If out of this range, leave as GMT. - tgl 97/05/27 */ -int +static int timetz2tm(TimeTzADT *time, struct tm * tm, fsec_t *fsec, int *tzp) { #ifdef HAVE_INT64_TIMESTAMP |