builtin/describe: drop hashmap_cmp_fn cast

diff --git a/diff-no-index.c b/diff-no-index.c
index df762fd0f7d1ec74175a42de07b064107d3a601a..80ff17d460ed67fa4b38f8a8dfce7504b27bbb64 100644 (file)
--- a/diff-no-index.c
+++ b/diff-no-index.c
@@ -82,7 +82,7 @@ static struct diff_filespec *noindex_filespec(const char *name, int mode)
        if (!name)
                name = "/dev/null";
        s = alloc_filespec(name);
-       fill_filespec(s, null_sha1, 0, mode);
+       fill_filespec(s, &null_oid, 0, mode);
        if (name == file_from_standard_input)
                populate_from_stdin(s);
        return s;
@@ -236,7 +236,7 @@ static void fixup_paths(const char **path, struct strbuf *replacement)
 void diff_no_index(struct rev_info *revs,
                   int argc, const char **argv)
 {
-       int i, prefixlen;
+       int i;
        const char *paths[2];
        struct strbuf replacement = STRBUF_INIT;
        const char *prefix = revs->prefix;
@@ -257,7 +257,6 @@ void diff_no_index(struct rev_info *revs,
                }
        }
 
-       prefixlen = prefix ? strlen(prefix) : 0;
        for (i = 0; i < 2; i++) {
                const char *p = argv[argc - 2 + i];
                if (!strcmp(p, "-"))
@@ -266,8 +265,8 @@ void diff_no_index(struct rev_info *revs,
                         * path that is "-", spell it as "./-".
                         */
                        p = file_from_standard_input;
-               else if (prefixlen)
-                       p = xstrdup(prefix_filename(prefix, prefixlen, p));
+               else if (prefix)
+                       p = prefix_filename(prefix, p);
                paths[i] = p;
        }