1 files changed, 122 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/os/os_stream.h b/src/gallium/auxiliary/os/os_stream.h
new file mode 100644
index 0000000000..693a0621e2
--- /dev/null
+++ b/src/gallium/auxiliary/os/os_stream.h
@@ -0,0 +1,122 @@
+/**************************************************************************
+ *
+ * Copyright 2008-2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/**
+ * @file
+ * Cross-platform sequential access stream abstraction.
+ */
+
+#ifndef _OS_STREAM_H_
+#define _OS_STREAM_H_
+
+
+#include "pipe/p_compiler.h"
+
+
+/**
+ * OS stream (FILE, socket, etc) abstraction.
+ */
+struct os_stream
+{
+   void
+   (*close)(struct os_stream *stream);
+
+   boolean
+   (*write)(struct os_stream *stream, const void *data, size_t size);
+
+   void
+   (*flush)(struct os_stream *stream);
+};
+
+
+static INLINE void
+os_stream_close(struct os_stream *stream)
+{
+   if (!stream)
+      return;
+
+   stream->close(stream);
+}
+
+
+static INLINE boolean
+os_stream_write(struct os_stream *stream, const void *data, size_t size)
+{
+   if (!stream)
+      return FALSE;
+   return stream->write(stream, data, size);
+}
+
+
+static INLINE boolean
+os_stream_write_str(struct os_stream *stream, const char *str)
+{
+   size_t size;
+   if (!stream)
+      return FALSE;
+   for(size = 0; str[size]; ++size)
+      ;
+   return stream->write(stream, str, size);
+}
+
+
+static INLINE void
+os_stream_flush(struct os_stream *stream)
+{
+   stream->flush(stream);
+}
+
+
+struct os_stream *
+os_file_stream_create(const char *filename);
+
+
+struct os_stream *
+os_null_stream_create(void);
+
+
+extern struct os_stream *
+os_log_stream;
+
+
+struct os_stream *
+os_str_stream_create(size_t initial_size);
+
+
+const char *
+os_str_stream_get(struct os_stream *stream);
+
+char *
+os_str_stream_get_and_close(struct os_stream *stream);
+
+
+#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
+#define os_file_stream_create(_filename) os_null_stream_create()
+#endif
+
+
+#endif /* _OS_STREAM_H_ */