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/**************************************************
* _SQLGetInstalledDrivers
*
* Added to allow ODBC Config programs and the ODBC
* driver manager to access system information without
* having to worry about where it is... just like accessing
* Data Source information. So no surprise... its just
* like SQLGetPrivateProfileString()!
*
* see SQLGetPrivateProfileString to see how this is called.
*
**************************************************
* This code was created by Peter Harvey @ CodeByDesign.
* Released under LGPL 28.JAN.99
*
* Contributions from...
* -----------------------------------------------
* Peter Harvey - pharvey@codebydesign.com
**************************************************/
#include <odbcinstext.h>
int _SQLGetInstalledDrivers( LPCSTR pszSection,
LPCSTR pszEntry,
LPCSTR pszDefault,
LPCSTR pRetBuffer,
int nRetBuffer )
{
HINI hIni;
int nBufPos = 0;
int nStrToCopy;
char szObjectName[INI_MAX_OBJECT_NAME+1];
char szPropertyName[INI_MAX_PROPERTY_NAME+1];
char szValue[INI_MAX_PROPERTY_VALUE+1];
char szIniName[ INI_MAX_OBJECT_NAME + 1 ];
/* SANITY CHECKS */
if ( pRetBuffer == NULL || nRetBuffer < 2 )
{
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL, ODBC_ERROR_GENERAL_ERR, "" );
return -1;
}
#ifdef VMS
sprintf( szIniName, "%sODBCINST.INI", odbcinst_system_file_path() );
#else
sprintf( szIniName, "%s/odbcinst.ini", odbcinst_system_file_path() );
#endif
/* PROCESS ODBC INI FILE */
if ( iniOpen( &hIni, szIniName, '#', '[', ']', '=', TRUE ) != INI_SUCCESS )
{
inst_logPushMsg( __FILE__, __FILE__, __LINE__, LOG_CRITICAL, ODBC_ERROR_COMPONENT_NOT_FOUND, "" );
return -1;
}
nBufPos = 0;
if ( pszSection == NULL )
{
/* JUST COLLECT SECTION NAMES */
iniObjectFirst( hIni );
while ( iniObjectEOL( hIni ) != TRUE )
{
iniObject( hIni, szObjectName );
if ( strcmp( szObjectName, "ODBC" ) == 0 )
{
iniObjectNext( hIni );
continue;
}
nStrToCopy = strlen( szObjectName ) + 1; /* factor NULL terminator for string */
if ( nBufPos + nStrToCopy + 1 > nRetBuffer ) /* factor NULL terminator for buffer */
nStrToCopy = nRetBuffer - nBufPos - 2;
strncpy( (char *)&(pRetBuffer[nBufPos]), szObjectName, nStrToCopy );
nBufPos += nStrToCopy;
iniObjectNext( hIni );
}
}
else if ( pszEntry == NULL )
{
/* COLLECT ALL ENTRIES FOR THE GIVEN SECTION */
iniObjectSeek( hIni, (char *)pszSection );
iniPropertyFirst( hIni );
while ( iniPropertyEOL( hIni ) != TRUE )
{
iniProperty( hIni, szPropertyName );
nStrToCopy = strlen( szPropertyName ) + 1; /* factor NULL terminator for string */
if ( nBufPos + nStrToCopy + 1 > nRetBuffer ) /* factor NULL terminator for buffer */
nStrToCopy = nRetBuffer - nBufPos - 2;
strncpy( (char *)&(pRetBuffer[nBufPos]), szPropertyName, nStrToCopy );
nBufPos += nStrToCopy;
iniPropertyNext( hIni );
}
}
else
{
/* TRY TO GET THE ONE ITEM MATCHING Section & Entry */
if ( iniPropertySeek( hIni, (char *)pszSection, (char *)pszEntry, "" ) != INI_SUCCESS )
{
strncpy( (char *)pRetBuffer, pszDefault, nRetBuffer );
}
else
{
iniValue( hIni, szValue );
nStrToCopy = strlen( szValue ) + 1; /* factor NULL terminator for string */
if ( nBufPos + nStrToCopy + 1 > nRetBuffer ) /* factor NULL terminator for buffer */
nStrToCopy = nRetBuffer - nBufPos - 2;
strncpy( (char *)&(pRetBuffer[nBufPos]), szValue, nStrToCopy );
nBufPos += nStrToCopy;
}
}
/* CLOSE */
iniClose( hIni );
return nBufPos;
}
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