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isofs: Fix bug in the way to check if the year is a leap year

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Changed the whole algorithm for a call to mktime64 that takes
care of all that details.

Signed-off-by: Oscar Forner Martinez <oscar.forner.martinez@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Oscar Forner Martinez 2015-01-06 16:54:19 -08:00 committed by Jan Kara
parent 6744e90b0f
commit e4a93be6cb
1 changed files with 4 additions and 14 deletions
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18
fs/isofs/util.c
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@ -2,6 +2,7 @@
* linux/fs/isofs/util.c
*/
#include <linux/time.h>
#include "isofs.h"
/*
@ -17,9 +18,9 @@
int iso_date(char * p, int flag)
{
int year, month, day, hour, minute, second, tz;
int crtime, days, i;
int crtime;
year = p[0] - 70;
year = p[0];
month = p[1];
day = p[2];
hour = p[3];
@ -31,18 +32,7 @@ int iso_date(char * p, int flag)
if (year < 0) {
crtime = 0;
} else {
int monlen[12] = {31,28,31,30,31,30,31,31,30,31,30,31};
days = year * 365;
if (year > 2)
days += (year+1) / 4;
for (i = 1; i < month; i++)
days += monlen[i-1];
if (((year+2) % 4) == 0 && month > 2)
days++;
days += day - 1;
crtime = ((((days * 24) + hour) * 60 + minute) * 60)
+ second;
crtime = mktime64(year+1900, month, day, hour, minute, second);
/* sign extend */
if (tz & 0x80)