*/
extern 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);
+
/*
* create_delta: create a delta from given index for the given buffer
*
};
struct delta_index {
+ unsigned long memsize;
const void *src_buf;
unsigned long src_size;
unsigned int hash_mask;
mem = hash + hsize;
entry = mem;
+ index->memsize = memsize;
index->src_buf = buf;
index->src_size = bufsize;
index->hash_mask = hmask;
free(index);
}
+unsigned long sizeof_delta_index(struct delta_index *index)
+{
+ if (index)
+ return index->memsize;
+ else
+ return 0;
+}
+
/*
* The maximum size for any opcode sequence, including the initial header
* plus Rabin window plus biggest copy.