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39 lines
1.1 KiB
39 lines
1.1 KiB
From bc1e7731cee963e422575f81048792f4d5db9641 Mon Sep 17 00:00:00 2001
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From: Daniel Sabogal <dsabogal@ufl.edu>
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Date: Wed, 2 Nov 2016 22:29:36 -0400
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Subject: fix integer overflow of tm_year in __secs_to_tm
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the overflow check for years+100 did not account for the extra
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year computed from the remaining months. instead, perform this
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check after obtaining the final number of years.
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---
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src/time/__secs_to_tm.c | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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diff --git a/src/time/__secs_to_tm.c b/src/time/__secs_to_tm.c
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index 3a3123a..093d902 100644
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--- a/src/time/__secs_to_tm.c
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+++ b/src/time/__secs_to_tm.c
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@@ -60,15 +60,16 @@ int __secs_to_tm(long long t, struct tm *tm)
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for (months=0; days_in_month[months] <= remdays; months++)
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remdays -= days_in_month[months];
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+ if (months >= 10) {
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+ months -= 12;
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+ years++;
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+ }
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+
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if (years+100 > INT_MAX || years+100 < INT_MIN)
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return -1;
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tm->tm_year = years + 100;
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tm->tm_mon = months + 2;
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- if (tm->tm_mon >= 12) {
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- tm->tm_mon -=12;
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- tm->tm_year++;
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- }
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tm->tm_mday = remdays + 1;
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tm->tm_wday = wday;
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tm->tm_yday = yday;
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--
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cgit v0.11.2
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