+ if (!now) now = time(NULL);
+ }
+ else if (Ustrncmp(s, "expire", 6) == 0)
+ {
+ options |= ARC_SIGN_OPT_EXPIRE;
+ if (*(s += 6) == '=')
+ if (*++s == '+')
+ {
+ if (!(expire = (time_t)atoi(++s)))
+ expire = ARC_SIGN_DEFAULT_EXPIRE_DELTA;
+ if (!now) now = time(NULL);
+ expire += now;
+ }
+ else
+ expire = (time_t)atol(s);
+ else
+ {
+ if (!now) now = time(NULL);
+ expire = now + ARC_SIGN_DEFAULT_EXPIRE_DELTA;
+ }
+ }