New ASN1 macros to just implement and declare the new and free functions

and changes to mkdef.pl so it recognises them.

Use these in policyMappings extension.

crypto/asn1/asn1.h

@@ -264,14 +264,15 @@ typedef struct ASN1_VALUE_st ASN1_VALUE;
 
 #define DECLARE_ASN1_FUNCTIONS(type) DECLARE_ASN1_FUNCTIONS_name(type, type)
 
+#define DECLARE_ASN1_ALLOC_FUNCTIONS(type) \
+	DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, type)
+
 #define DECLARE_ASN1_FUNCTIONS_name(type, name) \
-	type *name##_new(void); \
-	void name##_free(type *a); \
+	DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, name) \
 	DECLARE_ASN1_ENCODE_FUNCTIONS(type, name, name)
 
 #define DECLARE_ASN1_FUNCTIONS_fname(type, itname, name) \
-	type *name##_new(void); \
-	void name##_free(type *a); \
+	DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, name) \
 	DECLARE_ASN1_ENCODE_FUNCTIONS(type, itname, name)
 
 #define	DECLARE_ASN1_ENCODE_FUNCTIONS(type, itname, name) \
@@ -291,6 +292,9 @@ typedef struct ASN1_VALUE_st ASN1_VALUE;
 	name *name##_new(void); \
 	void name##_free(name *a);
 
+#define DECLARE_ASN1_ALLOC_FUNCTIONS_name(type, name) \
+	type *name##_new(void); \
+	void name##_free(type *a);
 
 /* The following macros and typedefs allow an ASN1_ITEM
  * to be embedded in a structure and referenced. Since

crypto/asn1/asn1t.h

@@ -775,6 +775,9 @@ typedef struct ASN1_AUX_st {
 #define IMPLEMENT_ASN1_FUNCTIONS_ENCODE_name(stname, itname) \
 			IMPLEMENT_ASN1_FUNCTIONS_ENCODE_fname(stname, itname, itname)
 
+#define IMPLEMENT_ASN1_ALLOC_FUNCTIONS(stname) \
+		IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, stname, stname)
+
 #define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) \
 	stname *fname##_new(void) \
 	{ \

crypto/x509v3/v3_pmaps.c

@@ -89,7 +89,7 @@ ASN1_ITEM_TEMPLATE(POLICY_MAPPINGS) =
 								POLICY_MAPPING)
 ASN1_ITEM_TEMPLATE_END(POLICY_MAPPINGS)
 
-IMPLEMENT_ASN1_FUNCTIONS(POLICY_MAPPING)
+IMPLEMENT_ASN1_ALLOC_FUNCTIONS(POLICY_MAPPING)
 
 
 static STACK_OF(CONF_VALUE) *i2v_POLICY_MAPPINGS(X509V3_EXT_METHOD *method,

crypto/x509v3/x509v3.h

@@ -465,6 +465,7 @@ DECLARE_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
 DECLARE_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
 
 DECLARE_ASN1_ITEM(POLICY_MAPPING)
+DECLARE_ASN1_ALLOC_FUNCTIONS(POLICY_MAPPING)
 DECLARE_ASN1_ITEM(POLICY_MAPPINGS)
 
 #ifdef HEADER_CONF_H

util/libeay.num

@@ -3000,3 +3000,9 @@ a2i_IPADDRESS                           3434	EXIST::FUNCTION:
 ENGINE_setup_bsd_cryptodev              3435	EXIST:__FreeBSD__:FUNCTION:ENGINE
 EC_GROUP_have_precompute_mult           3436	EXIST::FUNCTION:EC
 X509V3_NAME_from_section                3437	EXIST::FUNCTION:
+POLICY_MAPPING_it                       3438	EXIST:!EXPORT_VAR_AS_FUNCTION:VARIABLE:
+POLICY_MAPPING_it                       3438	EXIST:EXPORT_VAR_AS_FUNCTION:FUNCTION:
+POLICY_MAPPINGS_it                      3439	EXIST:!EXPORT_VAR_AS_FUNCTION:VARIABLE:
+POLICY_MAPPINGS_it                      3439	EXIST:EXPORT_VAR_AS_FUNCTION:FUNCTION:
+POLICY_MAPPING_new                      3440	EXIST::FUNCTION:
+POLICY_MAPPING_free                     3441	EXIST::FUNCTION:

util/mkdef.pl

@@ -673,6 +673,10 @@ sub do_defs
 						      "EXPORT_VAR_AS_FUNCTION",
 						      "FUNCTION");
 					next;
+				} elsif (/^\s*DECLARE_ASN1_ALLOC_FUNCTIONS\s*\(\s*(\w*)\s*\)/) {
+					$def .= "int $1_free(void);";
+					$def .= "int $1_new(void);";
+					next;
 				} elsif (/^\s*DECLARE_ASN1_FUNCTIONS_name\s*\(\s*(\w*)\s*,\s*(\w*)\s*\)/) {
 					$def .= "int d2i_$2(void);";
 					$def .= "int i2d_$2(void);";