#include "pipe/p_compiler.h"
-struct os_stream;
-
-
/**
- * Create a stream
- * @param filename relative or absolute path (necessary for windows)
- * @param optional maximum file size (0 for a growable size).
+ * 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);
+
+ int
+ (*vprintf)(struct os_stream *stream, const char* format, va_list ap);
+};
+
+
+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);
+}
+
+int
+os_default_stream_vprintf (struct os_stream* stream, const char *format, va_list ap);
+
+static INLINE int
+os_stream_vprintf (struct os_stream* stream, const char *format, va_list ap)
+{
+ return stream->vprintf(stream, format, ap);
+}
+
+static INLINE int
+os_stream_printf (struct os_stream* stream, const char *format, ...)
+{
+ int retval;
+ va_list args;
+
+ va_start (args, format);
+ retval = stream->vprintf(stream, format, args);
+ va_end (args);
+
+ return retval;
+}
+
+struct os_stream *
+os_file_stream_create(const char *filename);
+
+
struct os_stream *
-os_stream_create(const char *filename, size_t max_size);
+os_null_stream_create(void);
+
+
+extern struct os_stream *
+os_log_stream;
+
+
+struct os_stream *
+os_str_stream_create(size_t initial_size);
+
-boolean
-os_stream_write(struct os_stream *stream, const void *data, size_t size);
+const char *
+os_str_stream_get(struct os_stream *stream);
-void
-os_stream_flush(struct os_stream *stream);
+char *
+os_str_stream_get_and_close(struct os_stream *stream);
-void
-os_stream_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_ */