* before free_delta_index() is called. The returned pointer must be freed
* using free_delta_index().
*/
-extern struct delta_index *
+struct delta_index *
create_delta_index(const void *buf, unsigned long bufsize);
/*
*
* Given pointer must be what create_delta_index() returned, or NULL.
*/
-extern void free_delta_index(struct delta_index *index);
+void free_delta_index(struct delta_index *index);
/*
* sizeof_delta_index: returns memory usage of delta index
*
* Given pointer must be what create_delta_index() returned, or NULL.
*/
-extern unsigned long sizeof_delta_index(struct delta_index *index);
+unsigned long sizeof_delta_index(struct delta_index *index);
/*
* create_delta: create a delta from given index for the given buffer
* returned and *delta_size is updated with its size. The returned buffer
* must be freed by the caller.
*/
-extern void *
+void *
create_delta(const struct delta_index *index,
const void *buf, unsigned long bufsize,
unsigned long *delta_size, unsigned long max_delta_size);
* *trg_bufsize is updated with its size. On failure a NULL pointer is
* returned. The returned buffer must be freed by the caller.
*/
-extern void *patch_delta(const void *src_buf, unsigned long src_size,
- const void *delta_buf, unsigned long delta_size,
- unsigned long *dst_size);
+void *patch_delta(const void *src_buf, unsigned long src_size,
+ const void *delta_buf, unsigned long delta_size,
+ unsigned long *dst_size);
/* the smallest possible delta size is 4 bytes */
#define DELTA_SIZE_MIN 4