Hi,
I have submitted a patch for review:
https://gerrit.libreoffice.org/3385
To pull it, you can do:
git pull ssh://gerrit.libreoffice.org:29418/core refs/changes/85/3385/1
fdo#61142 mixup between size and length
Change-Id: Ia2903d5139378e97bb2e8d00ccb2c213d3e1dee6
---
M connectivity/source/drivers/odbcbase/OTools.cxx
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/connectivity/source/drivers/odbcbase/OTools.cxx
b/connectivity/source/drivers/odbcbase/OTools.cxx
index d568b7f..7165c4d 100644
--- a/connectivity/source/drivers/odbcbase/OTools.cxx
+++ b/connectivity/source/drivers/odbcbase/OTools.cxx
@@ -424,11 +424,15 @@
// we assume everyone (LibO & ODBC) uses UTF-16; see OPreparedStatement::setParameter
BOOST_STATIC_ASSERT(sizeof(sal_Unicode) == 2);
BOOST_STATIC_ASSERT(sizeof(SQLWCHAR) == 2);
- // read the unicode data
- const SQLLEN nMaxLen = sizeof(waCharArray) / sizeof(sal_Unicode);
- SQLLEN pcbValue = SQL_NO_TOTAL;
+ BOOST_STATIC_ASSERT(sizeof(waCharArray) % 2 == 0);
+ // Size == number of bytes, Len == number of UTF-16 code units
+ const SQLLEN nMaxSize = sizeof(waCharArray);
+ const SQLLEN nMaxLen = sizeof(waCharArray) / sizeof(sal_Unicode);
+ BOOST_STATIC_ASSERT(nMaxLen * sizeof(sal_Unicode) == nMaxSize);
- while ((pcbValue == SQL_NO_TOTAL ) || (pcbValue >= nMaxLen) )
+ // read the unicode data
+ SQLLEN pcbValue = SQL_NO_TOTAL;
+ while ((pcbValue == SQL_NO_TOTAL ) || (pcbValue >= nMaxSize) )
{
OTools::ThrowException(_pConnection,
(*(T3SQLGetData)_pConnection->getOdbcFunction(ODBC3SQLGetData))(
@@ -446,7 +450,7 @@
SQLLEN nReadChars;
OSL_ENSURE( (pcbValue < 0) || (pcbValue % 2 == 0),
"ODBC: SQLGetData of SQL_C_WCHAR returned odd number of bytes");
- if ( (pcbValue == SQL_NO_TOTAL) || (pcbValue >= nMaxLen) )
+ if ( (pcbValue == SQL_NO_TOTAL) || (pcbValue >= nMaxSize) )
{
// we filled the buffer; remove the terminating null character
nReadChars = nMaxLen-1;
--
To view, visit https://gerrit.libreoffice.org/3385
To unsubscribe, visit https://gerrit.libreoffice.org/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: Ia2903d5139378e97bb2e8d00ccb2c213d3e1dee6
Gerrit-PatchSet: 1
Gerrit-Project: core
Gerrit-Branch: libreoffice-4-0
Gerrit-Owner: Lionel Elie Mamane <lionel@mamane.lu>
Context
- [PATCH libreoffice-4-0] fdo#61142 mixup between size and length · Lionel Elie Mamane (via Code Review)
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