From 622fb9169d5c554d5f5c8ca42e978f133be5bb45 Mon Sep 17 00:00:00 2001
From: David Sommerseth <dazo@users.sourceforge.net>
Date: Fri, 28 Nov 2008 11:47:38 +0100
Subject: Added minimum API version check when loading database driver.

---
 database/eurephiadb.c | 11 ++++++++++-
 database/eurephiadb.h |  2 +-
 plugin/eurephia.c     |  2 +-
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/database/eurephiadb.c b/database/eurephiadb.c
index 9a6ecbd..bbc655f 100644
--- a/database/eurephiadb.c
+++ b/database/eurephiadb.c
@@ -49,7 +49,7 @@ int eDBlink_close(eurephiaCTX *ctx)
 }
 
 
-int eDBlink_init(eurephiaCTX *ctx, const char *dbl)
+int eDBlink_init(eurephiaCTX *ctx, const char *dbl, const int minver)
 {
 #ifdef MEMWATCH
         mwStatistics(3);
@@ -76,6 +76,15 @@ int eDBlink_init(eurephiaCTX *ctx, const char *dbl)
         eurephia_log(ctx, LOG_INFO, 1, "Driver loaded: %s (API version %i)",
                      eDB_DriverVersion(), eDB_DriverAPIVersion());
 
+        // Check that we are using at least a new enough driver
+        if( eDB_DriverAPIVersion() < minver ) {
+                eurephia_log(ctx, LOG_FATAL, 0,
+                             "The requested eurephiaDB driver is too old.  This program needs "
+                             "API version %i, but this driver only supports API version %i.\n",
+                             minver, eDB_DriverAPIVersion());
+                return 0;
+        }
+
         // Configure functions contained in the driver, defined by API version
         switch( eDB_DriverAPIVersion() ) {
         default:
diff --git a/database/eurephiadb.h b/database/eurephiadb.h
index 1e4a547..b2311d7 100644
--- a/database/eurephiadb.h
+++ b/database/eurephiadb.h
@@ -25,7 +25,7 @@
 #ifndef   	EUREPHIADB_H_
 # define   	EUREPHIADB_H_
 
-int eDBlink_init(eurephiaCTX *, const char *);
+int eDBlink_init(eurephiaCTX *, const char *, const int);
 int eDBlink_close(eurephiaCTX *);
 
 #endif
diff --git a/plugin/eurephia.c b/plugin/eurephia.c
index 8dc01e2..4853591 100644
--- a/plugin/eurephia.c
+++ b/plugin/eurephia.c
@@ -170,7 +170,7 @@ eurephiaCTX *eurephiaInit(const char **argv)
         ctx->loglevel = loglvl;
 
         // Load the database driver
-        if( (error == 0) && eDBlink_init(ctx, dbi) ) {
+        if( (error == 0) && eDBlink_init(ctx, dbi, 1) ) {
                 // Connect to the database
                 if( !eDBconnect(ctx, dbargc, dbargv) ) {
                         eurephia_log(ctx, LOG_PANIC, 0, "Could not connect to the database");
-- 
cgit