-/****************************************************************************
- * FILE IDENTIFICATION
- *
- * Name: clsql-mysql.c
- * Purpose: Helper functions for mysql.cl to handle 64-bit parts of API
- * Programmer: Kevin M. Rosenberg
- * Date Started: Mar 2002
- *
- * $Id$
- *
- * This file, part of CLSQL, is Copyright (c) 2002 by Kevin M. Rosenberg
- *
- * CLSQL users are granted the rights to distribute and use this software
- * as governed by the terms of the Lisp Lesser GNU Public License
- * (http://opensource.franz.com/preamble.html), also known as the LLGPL.
- ***************************************************************************/
-
-#ifdef WIN32
-#include <windows.h>
-
-BOOL WINAPI DllEntryPoint(HINSTANCE hinstdll, DWORD fdwReason,
- LPVOID lpvReserved)
-{
- return 1;
-}
-
-#define DLLEXPORT __declspec(dllexport)
-
-#else
-#define DLLEXPORT
-#endif
-
-
-#include <mysql.h>
-
-/* Need to assemble a 64-bit integer to send to MySQL */
-DLLEXPORT
-void
-clsql_mysql_data_seek (MYSQL_RES* res, unsigned int offset_high32,
- unsigned int offset_low32)
-{
- my_ulonglong offset;
-
- offset = offset_high32;
- offset = offset << 32;
- offset += offset_low32;
-
- mysql_data_seek (res, offset);
-}
-
-/* The following functions are used to return 64-bit integers to Lisp.
- They return the 32-bit low part and store in upper 32-bits in a
- located sent via a pointer */
-
-static const unsigned int bitmask_32bits = 0xFFFFFFFF;
-#define lower_32bits(int64) ((unsigned int) int64 & bitmask_32bits)
-#define upper_32bits(int64) ((unsigned int) (int64 >> 32))
-
-DLLEXPORT
-unsigned int
-clsql_mysql_num_rows (MYSQL_RES* res, unsigned int* pHigh32)
-{
- my_ulonglong nRows = mysql_num_rows (res);
- *pHigh32 = upper_32bits(nRows);
- return lower_32bits(nRows);
-}
-
-DLLEXPORT
-unsigned int
-clsql_mysql_affected_rows (MYSQL* res, unsigned int* pHigh32)
-{
- my_ulonglong nAffected = mysql_affected_rows (res);
- *pHigh32 = upper_32bits(nAffected);
- return lower_32bits(nAffected);
-}
-
-DLLEXPORT
-unsigned int
-clsql_mysql_insert_id (MYSQL* mysql, unsigned int* pHigh32)
-{
- my_ulonglong insert_id = mysql_insert_id (mysql);
- *pHigh32 = upper_32bits(insert_id);
- return lower_32bits(insert_id);
-}
-
-