1 files changed, 146 insertions, 0 deletions
diff --git a/src/interfaces/odbc/psqlodbc.c b/src/interfaces/odbc/psqlodbc.c
new file mode 100644
index 00000000000..08a22a249d2
--- /dev/null
+++ b/src/interfaces/odbc/psqlodbc.c
@@ -0,0 +1,146 @@
+
+/* Module:          psqlodbc.c
+ *
+ * Description:     This module contains the main entry point (DllMain) for the library.
+ *                  It also contains functions to get and set global variables for the
+ *                  driver in the registry.
+ *
+ * Classes:         n/a
+ *
+ * API functions:   none
+ *
+ * Comments:        See "notice.txt" for copyright and license information.
+ *
+ */
+
+#include "psqlodbc.h"
+#include <winsock.h>
+#include <windows.h>
+#include <sql.h>
+#include <odbcinst.h>
+
+HINSTANCE NEAR s_hModule;               /* Saved module handle. */
+GLOBAL_VALUES globals;
+
+
+/*	This function reads the ODBCINST.INI portion of
+	the registry and gets any driver defaults.
+*/
+void getGlobalDefaults(void)
+{
+char temp[128];
+
+
+	//	Fetch Count is stored in driver section
+    SQLGetPrivateProfileString(DBMS_NAME, INI_FETCH, "",
+                            temp, sizeof(temp), ODBCINST_INI);
+	if ( temp[0] )
+		globals.fetch_max = atoi(temp);
+	else
+		globals.fetch_max = FETCH_MAX;
+
+
+	//	Socket Buffersize is stored in driver section
+    SQLGetPrivateProfileString(DBMS_NAME, INI_SOCKET, "",
+                            temp, sizeof(temp), ODBCINST_INI);
+	if ( temp[0] ) 
+		globals.socket_buffersize = atoi(temp);
+	else
+		globals.socket_buffersize = SOCK_BUFFER_SIZE;
+
+
+	//	Debug is stored in the driver section
+	SQLGetPrivateProfileString(DBMS_NAME, INI_DEBUG, "0", 
+							temp, sizeof(temp), ODBCINST_INI);
+	globals.debug = atoi(temp);
+
+
+	//	CommLog is stored in the driver section
+	SQLGetPrivateProfileString(DBMS_NAME, INI_COMMLOG, "0", 
+							temp, sizeof(temp), ODBCINST_INI);
+	globals.commlog = atoi(temp);
+
+
+	//	Optimizer is stored in the driver section only (OFF, ON, or ON=x)
+	SQLGetPrivateProfileString(DBMS_NAME, INI_OPTIMIZER, "", 
+				globals.optimizer, sizeof(globals.optimizer), ODBCINST_INI);
+
+
+	//	ConnSettings is stored in the driver section and per datasource for override
+	SQLGetPrivateProfileString(DBMS_NAME, INI_CONNSETTINGS, "", 
+				globals.conn_settings, sizeof(globals.conn_settings), ODBCINST_INI);
+}
+
+
+/*	This function writes any global parameters (that can be manipulated)
+	to the ODBCINST.INI portion of the registry 
+*/
+void updateGlobals(void)
+{
+char tmp[128];
+
+	sprintf(tmp, "%d", globals.commlog);
+	SQLWritePrivateProfileString(DBMS_NAME,
+		INI_COMMLOG, tmp, ODBCINST_INI);
+}
+
+/*	This is where the Driver Manager attaches to this Driver */
+BOOL WINAPI DllMain(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved) 
+{
+WORD wVersionRequested; 
+WSADATA wsaData; 
+
+	switch (ul_reason_for_call) {
+	case DLL_PROCESS_ATTACH:
+		s_hModule = hInst;				/* Save for dialog boxes */
+
+		/*	Load the WinSock Library */
+		wVersionRequested = MAKEWORD(1, 1); 
+
+		if ( WSAStartup(wVersionRequested, &wsaData))
+			return FALSE;
+
+		/*	Verify that this is the minimum version of WinSock */
+		if ( LOBYTE( wsaData.wVersion ) != 1 || 
+			HIBYTE( wsaData.wVersion ) != 1 ) { 
+
+			WSACleanup(); 
+			return FALSE;
+		}
+
+		getGlobalDefaults();
+		break;
+
+	case DLL_THREAD_ATTACH:
+		break;
+
+	case DLL_PROCESS_DETACH:
+
+		WSACleanup();
+
+		return TRUE;
+
+	case DLL_THREAD_DETACH:
+		break;
+
+	default:
+		break;
+	}
+
+	return TRUE;                                                                
+                                                                                
+	UNREFERENCED_PARAMETER(lpReserved);                                         
+}
+
+/*	This function is used to cause the Driver Manager to
+	call functions by number rather than name, which is faster.
+	The ordinal value of this function must be 199 to have the
+	Driver Manager do this.  Also, the ordinal values of the
+	functions must match the value of fFunction in SQLGetFunctions()
+*/
+RETCODE SQL_API SQLDummyOrdinal(void)
+{
+	return SQL_SUCCESS;
+}
+
+