accept NULL in 'free' functions
authorBodo Möller <bodo@openssl.org>
Tue, 21 May 2002 08:59:57 +0000 (08:59 +0000)
committerBodo Möller <bodo@openssl.org>
Tue, 21 May 2002 08:59:57 +0000 (08:59 +0000)
crypto/ec/ec_lib.c

index 0597087..f469b67 100644 (file)
@@ -112,6 +112,8 @@ EC_GROUP *EC_GROUP_new(const EC_METHOD *meth)
 
 void EC_GROUP_free(EC_GROUP *group)
        {
+       if (!group) return;
+
        if (group->meth->group_finish != 0)
                group->meth->group_finish(group);
 
@@ -128,6 +130,8 @@ void EC_GROUP_free(EC_GROUP *group)
 
 void EC_GROUP_clear_free(EC_GROUP *group)
        {
+       if (!group) return;
+
        if (group->meth->group_clear_finish != 0)
                group->meth->group_clear_finish(group);
        else if (group->meth != NULL && group->meth->group_finish != 0)
@@ -408,6 +412,8 @@ EC_POINT *EC_POINT_new(const EC_GROUP *group)
 
 void EC_POINT_free(EC_POINT *point)
        {
+       if (!point) return;
+
        if (point->meth->point_finish != 0)
                point->meth->point_finish(point);
        OPENSSL_free(point);
@@ -416,6 +422,8 @@ void EC_POINT_free(EC_POINT *point)
 
 void EC_POINT_clear_free(EC_POINT *point)
        {
+       if (!point) return;
+
        if (point->meth->point_clear_finish != 0)
                point->meth->point_clear_finish(point);
        else if (point->meth != NULL && point->meth->point_finish != 0)