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- Fixed bug in SdnToGregorian (see comments on #53574, though that bug is about

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another function). NEWS & tests tomorrow.
This commit is contained in:
Gustavo André dos Santos Lopes 2011-09-26 22:38:21 +00:00
parent 5ad03cd41a
commit 43f215a463
1 changed files with 9 additions and 9 deletions
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18
ext/calendar/gregor.c
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@ -127,6 +127,7 @@
**************************************************************************/
#include "sdncal.h"
#include <limits.h>
#define GREGOR_SDN_OFFSET 32045
#define DAYS_PER_5_MONTHS 153
@ -146,19 +147,14 @@ void SdnToGregorian(
long int temp;
int dayOfYear;
if (sdn <= 0) {
*pYear = 0;
*pMonth = 0;
*pDay = 0;
return;
if (sdn <= 0 ||
sdn > (LONG_MAX - 4 * GREGOR_SDN_OFFSET) / 4) {
goto fail;
}
temp = (sdn + GREGOR_SDN_OFFSET) * 4 - 1;
if (temp < 0) {
*pYear = 0;
*pMonth = 0;
*pDay = 0;
return;
goto fail;
}
/* Calculate the century (year/100). */
@ -190,6 +186,10 @@ void SdnToGregorian(
*pYear = year;
*pMonth = month;
*pDay = day;
fail:
*pYear = 0;
*pMonth = 0;
*pDay = 0;
}
long int GregorianToSdn(