X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=diff-delta.c;h=5bc22047f8715b0b1e628ab5ba93afa68e2ccc9e;hb=45f75a0167b4a4693f2c6005bf7db231ca91ecc8;hp=1188b31cd0f1e2f3a1fc2096a10243a03b439021;hpb=c816a6bc5a8494556e00c36d4ed4596a04efd38a;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)
 {