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/**************************************************
* SQLManageDataSources
*
**************************************************
* This code was created by Peter Harvey @ CodeByDesign.
* Released under LGPL 28.JAN.99
*
* Contributions from...
* -----------------------------------------------
* Peter Harvey - pharvey@codebydesign.com
**************************************************/
#include <odbcinstext.h>
BOOL SQLManageDataSources( HWND hWnd )
{
BOOL nReturn;
char szGUILibFile[FILENAME_MAX];
void *hDLL;
BOOL (*pSQLManageDataSources)( HWND );
HODBCINSTWND hODBCINSTWnd;
/*
* SANITY CHECKS
*
*/
if ( !hWnd )
{
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL, ODBC_ERROR_INVALID_HWND, "No hWnd" );
return FALSE;
}
hODBCINSTWnd = (HODBCINSTWND)hWnd;
if ( !hODBCINSTWnd->hWnd )
{
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL, ODBC_ERROR_INVALID_HWND, "No hODBCINSTWnd->hWnd" );
return FALSE;
}
/*
*
*
*/
if ( lt_dlinit() )
{
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL, ODBC_ERROR_GENERAL_ERR, "lt_dlinit() failed" );
return FALSE;
}
/*
* DETERMINE PATH FOR GUI PLUGIN
*
*/
if ( strncasecmp( hODBCINSTWnd->szGUI, "QT", 2 ) == 0 )
{
char *p;
/*
* This works and extension 'la' is probably more portable but we lose
* control of which version of the lib we load (it hard coded in the *.la)
*
* sprintf( szGUILibFile, "%s/libodbcinstQ.la", DEFLIB_PATH );
*
* Bring up libodbcinstQ.la in a text editor and you will see the name we
* are supposed to use to dlopen the lib, worse than the above option
*
* sprintf( szGUILibFile, "%s/libodbcinstQ.so.1", DEFLIB_PATH );
*
* This is less portable because of 'so' extension but we can let the file
* symlinks work for us
*
* sprintf( szGUILibFile, "%s/libodbcinstQ.so", DEFLIB_PATH );
*/
/*
* first look in the environment
*/
p = getenv( "ODBCINSTQ" );
if ( p )
{
strcpy( szGUILibFile, p );
}
else
{
SQLGetPrivateProfileString( "ODBC", "ODBCINSTQ", "", szGUILibFile, sizeof( szGUILibFile ), "odbcinst.ini" );
if ( strlen( szGUILibFile ) == 0 )
{
/*
* we need to find the extension to use as well
*/
#ifdef SHLIBEXT
if ( strlen( SHLIBEXT ) > 0 )
sprintf( szGUILibFile, "libodbcinstQ%s.1", SHLIBEXT );
else
sprintf( szGUILibFile, "libodbcinstQ.so.1" );
#else
sprintf( szGUILibFile, "libodbcinstQ.so.1" );
#endif
if ( lt_dladdsearchdir( DEFLIB_PATH ) )
{
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL,
ODBC_ERROR_GENERAL_ERR, (char*)lt_dlerror() );
}
}
}
}
else
{
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL,
ODBC_ERROR_INVALID_HWND, "Unsupported hODBCINSTWnd->szGUI" );
return FALSE;
}
/*
* USE libtool TO LOAD PLUGIN AND CALL FUNCTION
*
*/
nReturn = FALSE;
hDLL = lt_dlopen( szGUILibFile );
if ( hDLL )
{
/* change the name, as it avoids it finding it in the calling lib */
pSQLManageDataSources = (BOOL (*)(HWND))lt_dlsym( hDLL, "QTSQLManageDataSources" );
if ( pSQLManageDataSources )
nReturn = pSQLManageDataSources( (HWND)hODBCINSTWnd->hWnd );
else
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL, ODBC_ERROR_GENERAL_ERR, (char*)lt_dlerror() );
}
else
{
/*
* try adding szGUILibFile
*/
sprintf( szGUILibFile, "%s/libodbcinstQ%s.1", DEFLIB_PATH, SHLIBEXT );
hDLL = lt_dlopen( szGUILibFile );
if ( hDLL )
{
/* change the name, as it avoids it finding it in the calling lib */
pSQLManageDataSources = (BOOL (*)(HWND))lt_dlsym( hDLL, "QTSQLManageDataSources" );
if ( pSQLManageDataSources )
nReturn = pSQLManageDataSources( (HWND)hODBCINSTWnd->hWnd );
else
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL, ODBC_ERROR_GENERAL_ERR, (char*)lt_dlerror() );
}
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL, ODBC_ERROR_GENERAL_ERR, (char*)lt_dlerror() );
}
return nReturn;
}
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