X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff-delta.c;h=5bc22047f8715b0b1e628ab5ba93afa68e2ccc9e;hb=e994004f93a481414b9065ac24edd0807d1c311e;hp=1188b31cd0f1e2f3a1fc2096a10243a03b439021;hpb=83c137928c77b83a3d5557bcff467cd020424442;p=git.git

diff --git a/diff-delta.c b/diff-delta.c
index 1188b31c..5bc22047 100644
--- a/diff-delta.c
+++ b/diff-delta.c
@@ -131,8 +131,8 @@ static struct index ** delta_index(const unsigned char *buf,
 /* the maximum size for any opcode */
 #define MAX_OP_SIZE COPYOP_SIZE(0xffffffff, 0xffffffff)
 
-void *diff_delta(void *from_buf, unsigned long from_size,
-		 void *to_buf, unsigned long to_size,
+void *diff_delta(const void *from_buf, unsigned long from_size,
+		 const void *to_buf, unsigned long to_size,
 		 unsigned long *delta_size,
 		 unsigned long max_size)
 {