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| author | Bruce Momjian <bruce@momjian.us> | 2014-01-30 09:41:43 -0500 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2014-01-30 09:41:43 -0500 |
| commit | 146604ec43bcd6f977c31775a91022cf9737daf5 (patch) | |
| tree | 2b8f94e63f29c968c77e31075d3648fb9033a923 /src/interfaces/ecpg | |
| parent | 571addd729a400cece396d79696adcc63387e43b (diff) | |
Add checks for interval overflow/underflow
New checks include input, month/day/time internal adjustments, addition,
subtraction, multiplication, and negation. Also adjust docs to
correctly specify interval size in bytes.
Report from Rok Kralj
Diffstat (limited to 'src/interfaces/ecpg')
| -rw-r--r-- | src/interfaces/ecpg/pgtypeslib/interval.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/interfaces/ecpg/pgtypeslib/interval.c b/src/interfaces/ecpg/pgtypeslib/interval.c index efa775de15a..6d0926882e8 100644 --- a/src/interfaces/ecpg/pgtypeslib/interval.c +++ b/src/interfaces/ecpg/pgtypeslib/interval.c @@ -1036,6 +1036,9 @@ recalc: static int tm2interval(struct tm * tm, fsec_t fsec, interval * span) { + if ((double)tm->tm_year * MONTHS_PER_YEAR + tm->tm_mon > INT_MAX || + (double)tm->tm_year * MONTHS_PER_YEAR + tm->tm_mon < INT_MIN) + return -1; span->month = tm->tm_year * MONTHS_PER_YEAR + tm->tm_mon; #ifdef HAVE_INT64_TIMESTAMP span->time = (((((((tm->tm_mday * INT64CONST(24)) + |