+ ret = sprintf(buf, "Author: %.*s\n", namelen, line);
+ if (fmt == CMIT_FMT_MEDIUM)
+ ret += sprintf(buf + ret, "Date: %s\n", show_date(time, tz));
+ return ret;
+}
+
+static int is_empty_line(const char *line, int len)
+{
+ while (len && isspace(line[len-1]))
+ len--;
+ return !len;