-extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char **buf_p, unsigned long *space_p, int abbrev, const char *subject, const char *after_subject, enum date_mode dmode);
+extern void format_commit_message(const struct commit *commit,
+ const void *format, struct strbuf *sb);
+extern void pretty_print_commit(enum cmit_fmt fmt, const struct commit*,
+ struct strbuf *,
+ int abbrev, const char *subject,
+ const char *after_subject, enum date_mode,
+ int non_ascii_present);