From: Dr. Stephen Henson <steve@openssl.org>
Date: Sun, 14 Dec 2014 23:14:15 +0000 (+0000)
Subject: Constify ASN1_TYPE_cmp add X509_ALGOR_cmp.
X-Git-Tag: master-post-reformat~96
X-Git-Url: https://git.openssl.org/?p=openssl.git;a=commitdiff_plain;h=4c52816d35681c0533c25fdd3abb4b7c6962302d

Constify ASN1_TYPE_cmp add X509_ALGOR_cmp.

Reviewed-by: Emilia Käsper <emilia@openssl.org>
---

diff --git a/crypto/asn1/a_type.c b/crypto/asn1/a_type.c
index a45d2f9d12..5e1bc762d0 100644
--- a/crypto/asn1/a_type.c
+++ b/crypto/asn1/a_type.c
@@ -113,7 +113,7 @@ IMPLEMENT_STACK_OF(ASN1_TYPE)
 IMPLEMENT_ASN1_SET_OF(ASN1_TYPE)
 
 /* Returns 0 if they are equal, != 0 otherwise. */
-int ASN1_TYPE_cmp(ASN1_TYPE *a, ASN1_TYPE *b)
+int ASN1_TYPE_cmp(const ASN1_TYPE *a, const ASN1_TYPE *b)
 	{
 	int result = -1;
 
diff --git a/crypto/asn1/asn1.h b/crypto/asn1/asn1.h
index fc87e0ca7d..9adee694b0 100644
--- a/crypto/asn1/asn1.h
+++ b/crypto/asn1/asn1.h
@@ -783,7 +783,7 @@ DECLARE_ASN1_FUNCTIONS_fname(ASN1_TYPE, ASN1_ANY, ASN1_TYPE)
 int ASN1_TYPE_get(ASN1_TYPE *a);
 void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value);
 int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value);
-int            ASN1_TYPE_cmp(ASN1_TYPE *a, ASN1_TYPE *b);
+int            ASN1_TYPE_cmp(const ASN1_TYPE *a, const ASN1_TYPE *b);
 
 ASN1_OBJECT *	ASN1_OBJECT_new(void );
 void		ASN1_OBJECT_free(ASN1_OBJECT *a);
diff --git a/crypto/asn1/x_algor.c b/crypto/asn1/x_algor.c
index 274e456c73..57cc956c20 100644
--- a/crypto/asn1/x_algor.c
+++ b/crypto/asn1/x_algor.c
@@ -142,3 +142,14 @@ void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md)
 	X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
 
 	}
+
+int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b)
+	{
+	int rv;
+	rv = OBJ_cmp(a->algorithm, b->algorithm);
+	if (rv)
+		return rv;
+	if (!a->parameter && !b->parameter)
+		return 0;
+	return ASN1_TYPE_cmp(a->parameter, b->parameter);
+	}
diff --git a/crypto/x509/x509.h b/crypto/x509/x509.h
index 46c1d443b5..1376ddb52f 100644
--- a/crypto/x509/x509.h
+++ b/crypto/x509/x509.h
@@ -772,6 +772,7 @@ int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval);
 void X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,
 						X509_ALGOR *algor);
 void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md);
+int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b);
 
 X509_NAME *X509_NAME_dup(X509_NAME *xn);
 X509_NAME_ENTRY *X509_NAME_ENTRY_dup(X509_NAME_ENTRY *ne);