lib-storage: Once hooks have run, set vlast to NULL to make sure it's not used

The functions can't be correctly overridden outside their own specific
hooks. It would work only if hook_build_update() is called afterwards and
currently there's no public API for that.

diff --git a/src/lib-storage/mail-storage-hooks.c b/src/lib-storage/mail-storage-hooks.c
index 282eb3def0e6c97b689abd9e73a310413f420747..1889eb722288d94f586c35d95a5523800d5ccf58 100644 (file)
--- a/src/lib-storage/mail-storage-hooks.c
+++ b/src/lib-storage/mail-storage-hooks.c
@@ -273,6 +273,7 @@ void hook_mail_user_created(struct mail_user *user)
                        hook_build_update(ctx, user->vlast);
                } T_END;
        }
+       user->vlast = NULL;
        pool_unref(&ctx->pool);
 }
 
@@ -326,6 +327,7 @@ void hook_mail_storage_created(struct mail_storage *storage)
                        hook_build_update(ctx, storage->vlast);
                } T_END;
        }
+       storage->vlast = NULL;
        pool_unref(&ctx->pool);
 }
 
@@ -342,6 +344,7 @@ void hook_mailbox_list_created(struct mailbox_list *list)
                        hook_build_update(ctx, list->vlast);
                } T_END;
        }
+       list->vlast = NULL;
        pool_unref(&ctx->pool);
 }
 
@@ -358,6 +361,7 @@ void hook_mailbox_allocated(struct mailbox *box)
                        hook_build_update(ctx, box->vlast);
                } T_END;
        }
+       box->vlast = NULL;
        pool_unref(&ctx->pool);
 }
 
@@ -386,5 +390,6 @@ void hook_mail_allocated(struct mail *mail)
                        hook_build_update(ctx, pmail->vlast);
                } T_END;
        }
+       pmail->vlast = NULL;
        pool_unref(&ctx->pool);
 }