first commit, SM2-DSA only

test/asn1test.c

@@ -0,0 +1,22 @@
+#include <openssl/x509.h>
+#include <openssl/asn1_mac.h>
+
+typedef struct X
+    {
+    STACK_OF(X509_EXTENSION) *ext;
+    } X;
+
+/* This isn't meant to run particularly, it's just to test type checking */
+int main(int argc, char **argv)
+    {
+    X *x = NULL;
+    unsigned char **pp = NULL;
+
+    M_ASN1_I2D_vars(x);
+    M_ASN1_I2D_len_SEQUENCE_opt_type(X509_EXTENSION, x->ext,
+				     i2d_X509_EXTENSION);
+    M_ASN1_I2D_seq_total();
+    M_ASN1_I2D_put_SEQUENCE_opt_type(X509_EXTENSION, x->ext,
+				     i2d_X509_EXTENSION);
+    M_ASN1_I2D_finish();
+    }