format-patch: add '--base' option to record base tree info

diff --git a/revision.c b/revision.c
index 6387068a5582f04811f97aab275bfcd2fcf5d756..8b2dfe3160784f9780cf541a674fe89100d38a93 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -25,42 +25,14 @@ volatile show_early_output_fn_t show_early_output;
 static const char *term_bad;
 static const char *term_good;
 
-char *path_name(const struct name_path *path, const char *name)
-{
-       const struct name_path *p;
-       char *n, *m;
-       int nlen = strlen(name);
-       int len = nlen + 1;
-
-       for (p = path; p; p = p->up) {
-               if (p->elem_len)
-                       len += p->elem_len + 1;
-       }
-       n = xmalloc(len);
-       m = n + len - (nlen + 1);
-       memcpy(m, name, nlen + 1);
-       for (p = path; p; p = p->up) {
-               if (p->elem_len) {
-                       m -= p->elem_len + 1;
-                       memcpy(m, p->elem, p->elem_len);
-                       m[p->elem_len] = '/';
-               }
-       }
-       return n;
-}
-
-void show_object_with_name(FILE *out, struct object *obj,
-                          const struct name_path *path, const char *component)
+void show_object_with_name(FILE *out, struct object *obj, const char *name)
 {
-       char *name = path_name(path, component);
-       char *p;
+       const char *p;
 
        fprintf(out, "%s ", oid_to_hex(&obj->oid));
        for (p = name; *p && *p != '\n'; p++)
                fputc(*p, out);
        fputc('\n', out);
-
-       free(name);
 }
 
 static void mark_blob_uninteresting(struct blob *blob)
@@ -512,7 +484,7 @@ struct treesame_state {
 static struct treesame_state *initialise_treesame(struct rev_info *revs, struct commit *commit)
 {
        unsigned n = commit_list_count(commit->parents);
-       struct treesame_state *st = xcalloc(1, sizeof(*st) + n);
+       struct treesame_state *st = xcalloc(1, st_add(sizeof(*st), n));
        st->nparents = n;
        add_decoration(&revs->treesame, &commit->object, st);
        return st;