[SCM] GNU libtasn1 branch, master, updated. libtasn1_3_6-24-g3776216

[Nikos Mavrogiannopoulos]

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- Log -----------------------------------------------------------------
commit 37762160fe2c6580a24f52cd223e6d166e31f25e
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Thu Jun 5 15:50:19 2014 +0200

    Document that ider and ider_len are optional in asn1_der_decoding_startEnd()

-----------------------------------------------------------------------

Summary of changes:
 lib/decoding.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/lib/decoding.c b/lib/decoding.c
index 5f5d55b..f3ac191 100644
--- a/lib/decoding.c
+++ b/lib/decoding.c
@@ -1538,6 +1538,9 @@ asn1_der_decoding_element (asn1_node * structure, const 
char *elementName,
  * One example is the sequence "tbsCertificate" inside an X509
  * certificate.
  *
+ * Note that since libtasn1 3.7 the @ider and @ider_len parameters
+ * can be omitted, if the element is already decoded using asn1_der_decoding().
+ *
  * Returns: %ASN1_SUCCESS if DER encoding OK, %ASN1_ELEMENT_NOT_FOUND
  *   if ELEMENT is %asn1_node EMPTY or @name_element is not a valid
  *   element, %ASN1_TAG_ERROR or %ASN1_DER_ERROR if the der encoding
@@ -1565,6 +1568,9 @@ asn1_der_decoding_startEnd (asn1_node element, const void 
*ider, int ider_len,
 
   if (*start == 0 && *end == 0)
     {
+      if (ider == NULL || ider_len == 0)
+        return ASN1_GENERIC_ERROR;
+
       /* it seems asn1_der_decoding() wasn't called before. Do it now */
       result = asn1_der_decoding (&node, ider, ider_len, NULL);
       if (result != ASN1_SUCCESS)


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