1 files changed, 0 insertions, 104 deletions
diff --git a/third_party/git/delta.h b/third_party/git/delta.h
deleted file mode 100644
index 2df5fe13d954..000000000000
--- a/third_party/git/delta.h
+++ /dev/null
@@ -1,104 +0,0 @@
-#ifndef DELTA_H
-#define DELTA_H
-
-/* opaque object for delta index */
-struct delta_index;
-
-/*
- * create_delta_index: compute index data from given buffer
- *
- * This returns a pointer to a struct delta_index that should be passed to
- * subsequent create_delta() calls, or to free_delta_index().  A NULL pointer
- * is returned on failure.  The given buffer must not be freed or altered
- * before free_delta_index() is called.  The returned pointer must be freed
- * using free_delta_index().
- */
-struct delta_index *
-create_delta_index(const void *buf, unsigned long bufsize);
-
-/*
- * free_delta_index: free the index created by create_delta_index()
- *
- * Given pointer must be what create_delta_index() returned, or NULL.
- */
-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.
- */
-unsigned long sizeof_delta_index(struct delta_index *index);
-
-/*
- * create_delta: create a delta from given index for the given buffer
- *
- * This function may be called multiple times with different buffers using
- * the same delta_index pointer.  If max_delta_size is non-zero and the
- * resulting delta is to be larger than max_delta_size then NULL is returned.
- * On success, a non-NULL pointer to the buffer with the delta data is
- * returned and *delta_size is updated with its size.  The returned buffer
- * must be freed by the caller.
- */
-void *
-create_delta(const struct delta_index *index,
-	     const void *buf, unsigned long bufsize,
-	     unsigned long *delta_size, unsigned long max_delta_size);
-
-/*
- * diff_delta: create a delta from source buffer to target buffer
- *
- * If max_delta_size is non-zero and the resulting delta is to be larger
- * than max_delta_size then NULL is returned.  On success, a non-NULL
- * pointer to the buffer with the delta data is returned and *delta_size is
- * updated with its size.  The returned buffer must be freed by the caller.
- */
-static inline void *
-diff_delta(const void *src_buf, unsigned long src_bufsize,
-	   const void *trg_buf, unsigned long trg_bufsize,
-	   unsigned long *delta_size, unsigned long max_delta_size)
-{
-	struct delta_index *index = create_delta_index(src_buf, src_bufsize);
-	if (index) {
-		void *delta = create_delta(index, trg_buf, trg_bufsize,
-					   delta_size, max_delta_size);
-		free_delta_index(index);
-		return delta;
-	}
-	return NULL;
-}
-
-/*
- * patch_delta: recreate target buffer given source buffer and delta data
- *
- * On success, a non-NULL pointer to the target buffer is returned and
- * *trg_bufsize is updated with its size.  On failure a NULL pointer is
- * returned.  The returned buffer must be freed by the caller.
- */
-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
-
-/*
- * This must be called twice on the delta data buffer, first to get the
- * expected source buffer size, and again to get the target buffer size.
- */
-static inline unsigned long get_delta_hdr_size(const unsigned char **datap,
-					       const unsigned char *top)
-{
-	const unsigned char *data = *datap;
-	unsigned long cmd, size = 0;
-	int i = 0;
-	do {
-		cmd = *data++;
-		size |= (cmd & 0x7f) << i;
-		i += 7;
-	} while (cmd & 0x80 && data < top);
-	*datap = data;
-	return size;
-}
-
-#endif