[SCM] GNU libtasn1 branch, master, updated. libtasn1_4.7-2-ged211d7

[Nikos Mavrogiannopoulos]

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commit ed211d7c9b6e186106870e24a9e60f9b5b952a03
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Fri Sep 18 15:49:07 2015 +0200

    doc enhanced the asn1Coding example

commit 5addb300c7388a50c53e801b623901ab03f47efa
Author: Nikos Mavrogiannopoulos <address@hidden>
Date:   Fri Sep 18 15:45:50 2015 +0200

    asn1Coding: Allow handling NULL values

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

Summary of changes:
 doc/libtasn1.texi |   19 ++++++++++++++++---
 src/asn1Coding.c  |    7 ++++++-
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/doc/libtasn1.texi b/doc/libtasn1.texi
index d634fee..7fabd21 100644
--- a/doc/libtasn1.texi
+++ b/doc/libtasn1.texi
@@ -363,15 +363,24 @@ Options:
 For example, consider an ASN.1 definitions file as follows:
 
 @verbatim
-PKIX1 { }
+MYPKIX1 { }
 
 DEFINITIONS IMPLICIT TAGS ::=
 
 BEGIN
 
+OtherStruct := SEQUENCE {
+     x       INTEGER,
+     y       CHOICE {
+         y1 INTEGER,
+         y2 OCTET STRING },
+}
+
 Dss-Sig-Value ::= SEQUENCE {
      r       INTEGER,
-     s       INTEGER
+     s       INTEGER,
+     other   OtherStruct
+     z       INTEGER OPTIONAL,
 }
 
 END
@@ -380,10 +389,14 @@ END
 And a assignments file as follows:
 
 @verbatim
-dp PKIX1.Dss-Sig-Value
+dp MYPKIX1.Dss-Sig-Value
 
 r 42
 s 47
+other.x 66
+other.y y1
+other.y.y1 15
+z (NULL)
 @end verbatim
 
 Running the command below will generate a @file{assign.out} file,
diff --git a/src/asn1Coding.c b/src/asn1Coding.c
index 650e817..d4df593 100644
--- a/src/asn1Coding.c
+++ b/src/asn1Coding.c
@@ -256,7 +256,12 @@ main (int argc, char *argv[])
          asn1_result = asn1_create_element (definitions, value, &structure);
        }
       else
-       asn1_result = asn1_write_value (structure, varName, value, 0);
+        {
+         if (strcmp(value, "(NULL)") == 0)
+           asn1_result = asn1_write_value (structure, varName, NULL, 0);
+         else
+           asn1_result = asn1_write_value (structure, varName, value, 0);
+       }
 
       if (asn1_result != ASN1_SUCCESS)
        {


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