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Replace overly-cute coding with code that (a) has defined behavior

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according to the ANSI C spec, (b) gets the boundary conditions right,
and (c) is about a third as long and three times more intelligible.
This commit is contained in:
Tom Lane 2000-12-23 04:05:31 +00:00
parent 90f42847b5
commit a412749812
1 changed files with 9 additions and 11 deletions
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20
src/backend/utils/adt/formatting.c
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@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------
* formatting.c
*
* $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.27 2000/12/15 19:15:09 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.28 2000/12/23 04:05:31 tgl Exp $
*
*
* Portions Copyright (c) 1999-2000, PostgreSQL, Inc
@ -2775,16 +2775,14 @@ to_timestamp(PG_FUNCTION_ARGS)
#endif
if (tmfc->ssss)
{
int x;
if (tmfc->ssss > 3600)
tm->tm_sec = x - ((tm->tm_min = (x = tmfc->ssss -
((tm->tm_hour= tmfc->ssss / 3600) * 3600)) / 60) * 60);
else if (tmfc->ssss > 60)
tm->tm_sec = tmfc->ssss - ((tm->tm_min = tmfc->ssss / 60) * 60);
else
tm->tm_sec = tmfc->ssss;
}
int x = tmfc->ssss;
tm->tm_hour = x / 3600;
x %= 3600;
tm->tm_min = x / 60;
x %= 60;
tm->tm_sec = x;
}
if (tmfc->cc)
tm->tm_year = (tmfc->cc-1) * 100;