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more merges from 1.0 branch

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git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@423 57a11ea4-9604-0410-9ed3-97b8803252fd
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Linas Vepstas 1998-01-13 20:54:17 +00:00
parent eeed9a13d9
commit 75c1407b95
1 changed files with 10 additions and 0 deletions
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10
src/date.c
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@ -43,6 +43,8 @@ static int validateDate( Date *date );
static static
char days[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 }; char days[12] = { 31,28,31,30,31,30,31,31,30,31,30,31 };
static int been_here = 0;
/********************************************************************\ /********************************************************************\
* adjustDay * * adjustDay *
* adds adj to the current day of the month... the resulting day * * adds adj to the current day of the month... the resulting day *
@ -91,6 +93,10 @@ validateDate( Date *date )
{ {
int valid = True; int valid = True;
/* the "been here" flag prevents infinite recursion */
if (1 == been_here) return valid;
been_here = 1;
/* adjust days in february for leap year */ /* adjust days in february for leap year */
if ( ( ( date->year % 4 == 0 ) && ( date->year % 100 != 0 ) ) if ( ( ( date->year % 4 == 0 ) && ( date->year % 100 != 0 ) )
|| ( date->year % 400 == 0 ) ) || ( date->year % 400 == 0 ) )
@ -125,6 +131,10 @@ validateDate( Date *date )
date->year--; date->year--;
} }
/* try again, in case a year change messed up leap year calcs. */
validateDate (date);
been_here = 0;
return valid; return valid;
} }