summaryrefslogtreecommitdiff
path: root/sql/my_decimal.cc
diff options
context:
space:
mode:
Diffstat (limited to 'sql/my_decimal.cc')
-rw-r--r--sql/my_decimal.cc17
1 files changed, 10 insertions, 7 deletions
diff --git a/sql/my_decimal.cc b/sql/my_decimal.cc
index 2bbdeed2d87..960ccbf3439 100644
--- a/sql/my_decimal.cc
+++ b/sql/my_decimal.cc
@@ -1,4 +1,5 @@
-/* Copyright (C) 2005-2006 MySQL AB
+/*
+ Copyright (c) 2005, 2010, Oracle and/or its affiliates.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -11,7 +12,8 @@
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
#include "mysql_priv.h"
#include <time.h>
@@ -95,10 +97,11 @@ int my_decimal2string(uint mask, const my_decimal *d,
UNSIGNED. Hence the buffer for a ZEROFILLed value is the length
the user requested, plus one for a possible decimal point, plus
one if the user only wanted decimal places, but we force a leading
- zero on them. Because the type is implicitly UNSIGNED, we do not
- need to reserve a character for the sign. For all other cases,
- fixed_prec will be 0, and my_decimal_string_length() will be called
- instead to calculate the required size of the buffer.
+ zero on them, plus one for the '\0' terminator. Because the type
+ is implicitly UNSIGNED, we do not need to reserve a character for
+ the sign. For all other cases, fixed_prec will be 0, and
+ my_decimal_string_length() will be called instead to calculate the
+ required size of the buffer.
*/
int length= (fixed_prec
? (fixed_prec + ((fixed_prec == fixed_dec) ? 1 : 0) + 1)
@@ -276,7 +279,7 @@ print_decimal_buff(const my_decimal *dec, const uchar* ptr, int length)
const char *dbug_decimal_as_string(char *buff, const my_decimal *val)
{
- int length= DECIMAL_MAX_STR_LENGTH;
+ int length= DECIMAL_MAX_STR_LENGTH + 1; /* minimum size for buff */
if (!val)
return "NULL";
(void)decimal2string((decimal_t*) val, buff, &length, 0,0,0);