connectivity/source/drivers/postgresql/pq_baseresultset.cxx | 2 +-
connectivity/source/drivers/postgresql/pq_connection.cxx | 3 ++-
connectivity/source/drivers/postgresql/pq_preparedstatement.cxx | 2 +-
connectivity/source/drivers/postgresql/pq_tools.hxx | 8
++++++++
connectivity/source/drivers/postgresql/pq_updateableresultset.cxx | 2 +-
5 files changed, 13 insertions(+), 4 deletions(-)
New commits:
commit 177792660697f85763b39f455d7ebff0f83084fd
Author: Lionel Elie Mamane <lio...@mamane.lu>
AuthorDate: Tue Nov 17 02:14:15 2020 +0100
Commit: Lionel Mamane <lio...@mamane.lu>
CommitDate: Fri Dec 18 08:49:56 2020 +0100
pgsql-sdbc: use libpq's custom free()...
... for stuff allocated by libpq
Their documentation says this is important on Microsoft Windows:
It is particularly important that this function, rather than free(),
be used on Microsoft Windows. This is because allocating memory in a
DLL and releasing it in the application works only if
multithreaded/single-threaded, release/debug, and static/dynamic
flags are the same for the DLL and the application.
Also use const unique_ptr since we don't need the value to survive the
scope in any way.
Change-Id: If4637ea0cd1c05125d63e2f3d37dbeaf716973f9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105967
Tested-by: Lionel Mamane <lio...@mamane.lu>
Reviewed-by: Lionel Mamane <lio...@mamane.lu>
diff --git a/connectivity/source/drivers/postgresql/pq_baseresultset.cxx
b/connectivity/source/drivers/postgresql/pq_baseresultset.cxx
index 8fc7140e4817..9ff5e01e098a 100644
--- a/connectivity/source/drivers/postgresql/pq_baseresultset.cxx
+++ b/connectivity/source/drivers/postgresql/pq_baseresultset.cxx
@@ -456,7 +456,7 @@ Sequence< sal_Int8 > BaseResultSet::getBytes( sal_Int32
columnIndex )
char * res = reinterpret_cast<char*>(PQunescapeBytea(
reinterpret_cast<unsigned char const *>(val.getStr()), &length));
ret = Sequence< sal_Int8 > ( reinterpret_cast<sal_Int8*>(res), length
);
if( res )
- free( res );
+ PQfreemem( res );
}
return ret;
}
diff --git a/connectivity/source/drivers/postgresql/pq_connection.cxx
b/connectivity/source/drivers/postgresql/pq_connection.cxx
index 5d97f2b2436d..e4716fe8855d 100644
--- a/connectivity/source/drivers/postgresql/pq_connection.cxx
+++ b/connectivity/source/drivers/postgresql/pq_connection.cxx
@@ -41,6 +41,7 @@
#include "pq_connection.hxx"
#include "pq_statement.hxx"
+#include "pq_tools.hxx"
#include "pq_preparedstatement.hxx"
#include "pq_databasemetadata.hxx"
#include "pq_xtables.hxx"
@@ -461,7 +462,7 @@ void Connection::initialize( const Sequence< Any >&
aArguments )
if ( err != nullptr)
{
errorMessage = OUString( err, strlen(err),
ConnectionSettings::encoding );
- free(err);
+ PQfreemem(err);
}
else
errorMessage = "#no error message#";
diff --git a/connectivity/source/drivers/postgresql/pq_preparedstatement.cxx
b/connectivity/source/drivers/postgresql/pq_preparedstatement.cxx
index c1d9a4f66731..344c27175850 100644
--- a/connectivity/source/drivers/postgresql/pq_preparedstatement.cxx
+++ b/connectivity/source/drivers/postgresql/pq_preparedstatement.cxx
@@ -481,7 +481,7 @@ void PreparedStatement::setBytes(
checkClosed();
checkColumnIndex( parameterIndex );
size_t len;
- std::unique_ptr<unsigned char, o3tl::free_delete> escapedString(
+ const std::unique_ptr<unsigned char, deleter_from_fn<PQfreemem>>
escapedString(
PQescapeBytea( reinterpret_cast<unsigned char const
*>(x.getConstArray()), x.getLength(), &len));
if( ! escapedString )
{
diff --git a/connectivity/source/drivers/postgresql/pq_tools.hxx
b/connectivity/source/drivers/postgresql/pq_tools.hxx
index 90490be81eb6..18b105870705 100644
--- a/connectivity/source/drivers/postgresql/pq_tools.hxx
+++ b/connectivity/source/drivers/postgresql/pq_tools.hxx
@@ -51,6 +51,14 @@
#include <string_view>
#include <vector>
+namespace
+{
+// helper to create one-time deleters
+template <auto fn>
+using deleter_from_fn = std::integral_constant<decltype(fn), fn>;
+
+}
+
namespace pq_sdbc_driver
{
bool isWhitespace( sal_Unicode c );
diff --git a/connectivity/source/drivers/postgresql/pq_updateableresultset.cxx
b/connectivity/source/drivers/postgresql/pq_updateableresultset.cxx
index 880adc647c7e..d8780e76c563 100644
--- a/connectivity/source/drivers/postgresql/pq_updateableresultset.cxx
+++ b/connectivity/source/drivers/postgresql/pq_updateableresultset.cxx
@@ -481,7 +481,7 @@ void UpdateableResultSet::updateBytes( sal_Int32
columnIndex, const css::uno::Se
m_updateableField[columnIndex-1].value <<=
OUString( reinterpret_cast<char*>(escapedString), len,
RTL_TEXTENCODING_ASCII_US );
- free( escapedString );
+ PQfreemem( escapedString );
}
void UpdateableResultSet::updateDate( sal_Int32 columnIndex, const
css::util::Date& x )
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