+
+
+int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
+ {
+ struct tm stm, ttm;
+ int day, sec;
+
+ if (!asn1_utctime_to_tm(&stm, s))
+ return -2;
+
+ if (!OPENSSL_gmtime(&t, &ttm))
+ return -2;
+
+ if (!OPENSSL_gmtime_diff(&day, &sec, &stm, &ttm))
+ return -2;
+
+ if (day > 0)
+ return 1;
+ if (day < 0)
+ return -1;
+ if (sec > 0)
+ return 1;
+ if (sec < 0)
+ return -1;
+ return 0;
+ }
+
+
+#if 0
+time_t ASN1_UTCTIME_get(const ASN1_UTCTIME *s)
+ {
+ struct tm tm;
+ int offset;
+
+ memset(&tm,'\0',sizeof tm);
+
+#define g2(p) (((p)[0]-'0')*10+(p)[1]-'0')
+ tm.tm_year=g2(s->data);
+ if(tm.tm_year < 50)
+ tm.tm_year+=100;
+ tm.tm_mon=g2(s->data+2)-1;
+ tm.tm_mday=g2(s->data+4);
+ tm.tm_hour=g2(s->data+6);
+ tm.tm_min=g2(s->data+8);
+ tm.tm_sec=g2(s->data+10);
+ if(s->data[12] == 'Z')
+ offset=0;
+ else
+ {
+ offset=g2(s->data+13)*60+g2(s->data+15);
+ if(s->data[12] == '-')
+ offset= -offset;
+ }
+#undef g2
+
+ return mktime(&tm)-offset*60; /* FIXME: mktime assumes the current timezone
+ * instead of UTC, and unless we rewrite OpenSSL
+ * in Lisp we cannot locally change the timezone
+ * without possibly interfering with other parts
+ * of the program. timegm, which uses UTC, is
+ * non-standard.
+ * Also time_t is inappropriate for general
+ * UTC times because it may a 32 bit type. */
+ }
+#endif