+libcaptive/io/create.c

 - +IoCreateStreamFileObjectLite() by IoCreateStreamFileObject() wrapper
   - 'Lite' version detection by IoCreateStreamFileObjectLite_is_owner()
   - cleanup of 'Lite' flag by IoCreateStreamFileObjectLite_remove()

diff --git a/src/libcaptive/io/create.c b/src/libcaptive/io/create.c
new file mode 100644 (file)
index 0000000..ff7d886
--- /dev/null
+++ b/src/libcaptive/io/create.c
@@ -0,0 +1,72 @@
+/* $Id$
+ * reactos I/O streams management of libcaptive
+ * Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; exactly version 2 of June 1991 is required
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "config.h"
+
+#include "reactos/ddk/iofuncs.h"       /* self */
+#include <glib/gmessages.h>
+#include <glib/ghash.h>
+
+
+/* map: (FILE_OBJECT *) -> GINT_TO_POINTER(1) */
+static GHashTable *captive_stream_file_object_hash;
+
+/* initialize 'captive_stream_file_object_hash' */
+static void captive_stream_file_object_hash_init(void)
+{
+       if (captive_stream_file_object_hash)
+               return;
+       captive_stream_file_object_hash=g_hash_table_new(g_direct_hash,g_direct_equal);
+}
+
+
+BOOLEAN IoCreateStreamFileObjectLite_is_owner(FILE_OBJECT *FileObject)
+{
+       g_return_val_if_fail(FileObject!=NULL,FALSE);
+
+       return !!g_hash_table_lookup(captive_stream_file_object_hash,FileObject);
+}
+
+
+void IoCreateStreamFileObjectLite_remove(FILE_OBJECT *FileObject)
+{
+gboolean errbool;
+
+       g_return_if_fail(FileObject!=NULL);
+
+       errbool=g_hash_table_remove(captive_stream_file_object_hash,FileObject);
+       g_assert(errbool==TRUE);
+}
+
+
+PFILE_OBJECT IoCreateStreamFileObjectLite(IN PFILE_OBJECT FileObject OPTIONAL,IN PDEVICE_OBJECT DeviceObject OPTIONAL)
+{
+FILE_OBJECT *r;
+
+       captive_stream_file_object_hash_init();
+
+       r=IoCreateStreamFileObject(FileObject,DeviceObject);
+       g_return_val_if_fail(r!=NULL,NULL);
+
+       g_assert(NULL==g_hash_table_lookup(captive_stream_file_object_hash,r)); /* paranoia sanity */
+
+       g_hash_table_insert(captive_stream_file_object_hash,r,GINT_TO_POINTER(1));
+
+       return r;
+}