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diff --git a/yajl/yajl_buf.h b/yajl/yajl_buf.h
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+/*
+ * Copyright (c) 2007-2014, Lloyd Hilaiel <me@lloyd.io>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef __YAJL_BUF_H__
+#define __YAJL_BUF_H__
+
+#include "yajl_common.h"
+#include "yajl_alloc.h"
+
+/*
+ * Implementation/performance notes.  If this were moved to a header
+ * only implementation using #define's where possible we might be 
+ * able to sqeeze a little performance out of the guy by killing function
+ * call overhead.  YMMV.
+ */
+
+/**
+ * yajl_buf is a buffer with exponential growth.  the buffer ensures that
+ * you are always null padded.
+ */
+typedef struct yajl_buf_t * yajl_buf;
+
+/* allocate a new buffer */
+yajl_buf yajl_buf_alloc(yajl_alloc_funcs * alloc);
+
+/* free the buffer */
+void yajl_buf_free(yajl_buf buf);
+
+/* append a number of bytes to the buffer */
+void yajl_buf_append(yajl_buf buf, const void * data, size_t len);
+
+/* empty the buffer */
+void yajl_buf_clear(yajl_buf buf);
+
+/* get a pointer to the beginning of the buffer */
+const unsigned char * yajl_buf_data(yajl_buf buf);
+
+/* get the length of the buffer */
+size_t yajl_buf_len(yajl_buf buf);
+
+/* truncate the buffer */
+void yajl_buf_truncate(yajl_buf buf, size_t len);
+
+#endif