show_ref(): remove unused "flag" and "cb_data" arguments

The function is not used as a callback, so it doesn't need these
arguments.  Also change its return type to void.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 43d161f811d43a554017652060796440f2806be4..eb878c57317f80dfc8be332683d2b1ef2a67a35b 100644 (file)
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -114,7 +114,7 @@ static int receive_pack_config(const char *var, const char *value, void *cb)
        return git_default_config(var, value, cb);
 }
 
-static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+static void show_ref(const char *path, const unsigned char *sha1)
 {
        if (sent_capabilities)
                packet_write(1, "%s %s\n", sha1_to_hex(sha1), path);
@@ -124,10 +124,9 @@ static int show_ref(const char *path, const unsigned char *sha1, int flag, void
                             " report-status delete-refs side-band-64k",
                             prefer_ofs_delta ? " ofs-delta" : "");
        sent_capabilities = 1;
-       return 0;
 }
 
-static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *cb_data)
+static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *unused)
 {
        path = strip_namespace(path);
        /*
@@ -140,7 +139,8 @@ static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, vo
         */
        if (!path)
                path = ".have";
-       return show_ref(path, sha1, flag, cb_data);
+       show_ref(path, sha1);
+       return 0;
 }
 
 static void add_one_alternate_sha1(const unsigned char sha1[20], void *unused)
@@ -162,7 +162,7 @@ static void write_head_info(void)
        sha1_array_clear(&sa);
        for_each_ref(show_ref_cb, NULL);
        if (!sent_capabilities)
-               show_ref("capabilities^{}", null_sha1, 0, NULL);
+               show_ref("capabilities^{}", null_sha1);
        clear_extra_refs();
 
        /* EOF */