built-in diff: minimum tweaks

[git.git] / xdiff / xutils.c

diff --git a/xdiff/xutils.c b/xdiff/xutils.c
index b68afa25c1d6e285005b2b84472b2faf62883a9d..8221806f78bab437e8863c3fb2ea6229ddae9bca 100644 (file)
--- a/xdiff/xutils.c
+++ b/xdiff/xutils.c
@@ -245,20 +245,24 @@ int xdl_emit_hunk_hdr(long s1, long c1, long s2, long c2, xdemitcb_t *ecb) {
 
        nb += xdl_num_out(buf + nb, c1 ? s1: 0);
 
-       memcpy(buf + nb, ",", 1);
-       nb += 1;
+       if (c1 != 1) {
+               memcpy(buf + nb, ",", 1);
+               nb += 1;
 
-       nb += xdl_num_out(buf + nb, c1);
+               nb += xdl_num_out(buf + nb, c1);
+       }
 
        memcpy(buf + nb, " +", 2);
        nb += 2;
 
        nb += xdl_num_out(buf + nb, c2 ? s2: 0);
 
-       memcpy(buf + nb, ",", 1);
-       nb += 1;
+       if (c2 != 1) {
+               memcpy(buf + nb, ",", 1);
+               nb += 1;
 
-       nb += xdl_num_out(buf + nb, c2);
+               nb += xdl_num_out(buf + nb, c2);
+       }
 
        memcpy(buf + nb, " @@\n", 4);
        nb += 4;