1 files changed, 85 insertions, 0 deletions
diff --git a/src/lib/eina/eina_intbuf.h b/src/lib/eina/eina_intbuf.h
new file mode 100644
index 0000000000..b1b635f115
--- /dev/null
+++ b/src/lib/eina/eina_intbuf.h
@@ -0,0 +1,85 @@
+#ifndef EINA_INTBUF_H
+#define EINA_INTBUF_H
+
+/**
+ * @addtogroup Eina_Integer_Buffer_Group Compressed Integer Buffer
+ *
+ * @brief The functions provide compressed integer buffers management.
+ *
+ * The compressed integer buffer data type is designed to be compress once,
+ * but being read very often and very fast. The data set that it is designed
+ * for should be incremental integer (positive and negative direction
+ * are supported).
+ */
+
+/**
+ * @addtogroup Eina_Data_Types_Group Data Types
+ *
+ * @{
+ */
+
+/**
+ * @defgroup Eina_Integer_Buffer_Group Compressed Ieger Buffer
+ *
+ * @{
+ */
+
+/**
+ * @typedef Eina_Intbuf
+ * Type for a compressed integer buffer.
+ */
+typedef struct _Eina_Intbuf Eina_Intbuf;
+
+struct _Eina_Intbuf
+{
+   int last_data;
+   unsigned int length;
+
+   unsigned char *bytes;
+};
+
+/**
+ * @brief Create a new compressed integer buffer.
+ *
+ * @return Newly allocated compressed integer buffer instance.
+ */
+static inline Eina_Intbuf *eina_intbuf_new(void);
+
+/**
+ * @brief Free a compressed integer buffer.
+ *
+ * @param buf The compressed integer buffer to free.
+ */
+static void eina_intbuf_free(Eina_Intbuf *buf);
+
+/**
+ * @brief Push an integer at the end of an compressed integer buffer.
+ *
+ * @param buf The compressed integer buffer tofree.
+ * @param data The integer to push in.
+ */
+static inline void eina_intbuf_push(Eina_Intbuf *buf, int data);
+
+/**
+ * @brief 
+ */
+static inline inline Eina_Bool
+eina_intbuf_read(Eina_Intbuf *buf,
+                    unsigned int *buffer_offset,
+                    int *data);
+
+#define EINA_INTBUF_FOREACH(buf, it, data)                      \
+  for (it = 0, data = eina_intbuf_read(buf, &it, data);         \
+       eina_intbuf_read(buf, &it, &data); )
+
+#include "eina_intbuf.x"
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif