Check for FindNextFile when defining it rather than FindFirstFile

[oweals/openssl.git] / crypto / asn1 / a_time.c

diff --git a/crypto/asn1/a_time.c b/crypto/asn1/a_time.c
index e2eb9b243efbb17c046b097c50fcf4ae43d94b9c..d7925bf80ab53bafcd6c0513c6e3980c4fc57c93 100644 (file)
--- a/crypto/asn1/a_time.c
+++ b/crypto/asn1/a_time.c
@@ -66,6 +66,7 @@
 #include "cryptlib.h"
 #include "o_time.h"
 #include <openssl/asn1t.h>
+#include "asn1_locl.h"
 
 IMPLEMENT_ASN1_MSTRING(ASN1_TIME, B_ASN1_TIME)
 
@@ -196,3 +197,33 @@ int ASN1_TIME_set_string(ASN1_TIME *s, const char *str)
 
        return 1;
        }
+
+static int asn1_time_to_tm(struct tm *tm, const ASN1_TIME *t)
+       {
+       if (t == NULL)
+               {
+               time_t now_t;
+               time(&now_t);
+               if (OPENSSL_gmtime(&now_t, tm))
+                       return 1;
+               return 0;
+               }
+               
+       if (t->type == V_ASN1_UTCTIME)
+               return asn1_utctime_to_tm(tm, t);
+       else if (t->type == V_ASN1_GENERALIZEDTIME)
+               return asn1_generalizedtime_to_tm(tm, t);
+
+       return 0;
+       }
+
+int ASN1_TIME_diff(int *pday, int *psec,
+                       const ASN1_TIME *from, const ASN1_TIME *to)
+       {
+       struct tm tm_from, tm_to;
+       if (!asn1_time_to_tm(&tm_from, from))
+               return 0;
+       if (!asn1_time_to_tm(&tm_to, to))
+               return 0;
+       return OPENSSL_gmtime_diff(pday, psec, &tm_from, &tm_to);
+       }