Make BIO opaque

[openssl.git] / crypto / bio / bf_null.c

diff --git a/crypto/bio/bf_null.c b/crypto/bio/bf_null.c
index 1481445486f3fa04a73e74441a54f70cd8e9a09f..162e250f9baff0219d84151f84579c563f996a00 100644 (file)
--- a/crypto/bio/bf_null.c
+++ b/crypto/bio/bf_null.c
@@ -57,8 +57,8 @@
 
 #include <stdio.h>
 #include <errno.h>
+#include "bio_lcl.h"
 #include "internal/cryptlib.h"
-#include <openssl/bio.h>
 
 /*
  * BIO_put and BIO_get both add to the digest, BIO_gets returns the digest
@@ -72,7 +72,7 @@ static long nullf_ctrl(BIO *h, int cmd, long arg1, void *arg2);
 static int nullf_new(BIO *h);
 static int nullf_free(BIO *data);
 static long nullf_callback_ctrl(BIO *h, int cmd, bio_info_cb *fp);
-static BIO_METHOD methods_nullf = {
+static const BIO_METHOD methods_nullf = {
     BIO_TYPE_NULL_FILTER,
     "NULL filter",
     nullf_write,
@@ -85,7 +85,7 @@ static BIO_METHOD methods_nullf = {
     nullf_callback_ctrl,
 };
 
-BIO_METHOD *BIO_f_null(void)
+const BIO_METHOD *BIO_f_null(void)
 {
     return (&methods_nullf);
 }