MonetDB: Aug2011 - Remove possible source of overflow.

[Sjoerd Mullender]

Changeset: a3bf035af8ee for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=a3bf035af8ee
Modified Files:
        sql/backends/monet5/sql_result.mx
Branch: Aug2011
Log Message:

Remove possible source of overflow.


diffs (16 lines):

diff --git a/sql/backends/monet5/sql_result.mx 
b/sql/backends/monet5/sql_result.mx
--- a/sql/backends/monet5/sql_result.mx
+++ b/sql/backends/monet5/sql_result.mx
@@ -272,8 +272,10 @@ bat_max_@1length(BAT *b)
                if (m < min) min = m;
        }
 
-       if ((-min * 10) > max) 
-               max = (-min * 10);
+       if (-min > max / 10) {
+               max = -min;
+               ret++;          /* '-' */
+       }
        while (max /= 10)
                ret++;
        ret++;
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