MonetDB: Jul2017 - check for overflow

[Niels Nes]

Changeset: 6d3ec1cdd931 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=6d3ec1cdd931
Modified Files:
        monetdb5/modules/atoms/mtime.c
Branch: Jul2017
Log Message:

check for overflow


diffs (12 lines):

diff --git a/monetdb5/modules/atoms/mtime.c b/monetdb5/modules/atoms/mtime.c
--- a/monetdb5/modules/atoms/mtime.c
+++ b/monetdb5/modules/atoms/mtime.c
@@ -2636,6 +2636,8 @@ MTIMEepoch2int(int *ret, const timestamp
                return err;
        if (v == lng_nil)
                *ret = int_nil;
+       else if ((v/1000) > GDK_int_max || (v/1000) <= GDK_int_min)
+               throw(MAL, "mtime.epoch", "22003!epoch value too large");
        else
                *ret = (int) (v / 1000);
        return MAL_SUCCEED;
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