isofs: Fix bug in the way to check if the year is a leap year
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>
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1 changed files with 4 additions and 14 deletions
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@ -2,6 +2,7 @@
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* linux/fs/isofs/util.c
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*/
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#include <linux/time.h>
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#include "isofs.h"
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/*
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@ -17,9 +18,9 @@
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int iso_date(char * p, int flag)
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{
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int year, month, day, hour, minute, second, tz;
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int crtime, days, i;
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int crtime;
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year = p[0] - 70;
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year = p[0];
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month = p[1];
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day = p[2];
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hour = p[3];
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@ -31,18 +32,7 @@ int iso_date(char * p, int flag)
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if (year < 0) {
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crtime = 0;
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} else {
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int monlen[12] = {31,28,31,30,31,30,31,31,30,31,30,31};
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days = year * 365;
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if (year > 2)
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days += (year+1) / 4;
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for (i = 1; i < month; i++)
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days += monlen[i-1];
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if (((year+2) % 4) == 0 && month > 2)
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days++;
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days += day - 1;
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crtime = ((((days * 24) + hour) * 60 + minute) * 60)
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+ second;
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crtime = mktime64(year+1900, month, day, hour, minute, second);
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/* sign extend */
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if (tz & 0x80)
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