Add const qualifiers to the return values of BIO_s_mem() and

BIO_s_datagram().

ok jsing

3 files changed, 9 insertions, 9 deletions

diff --git a/lib/libcrypto/bio/bio.h b/lib/libcrypto/bio/bio.h
index 8a473ca20ab..678155c34e6 100644
--- a/lib/libcrypto/bio/bio.h
+++ b/lib/libcrypto/bio/bio.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: bio.h,v 1.41 2018/05/01 13:29:09 tb Exp $ */
+/* $OpenBSD: bio.h,v 1.42 2018/05/12 17:47:53 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -641,7 +641,7 @@ int BIO_nwrite(BIO *bio, char **buf, int num);
 long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi,
     long argl, long ret);
 
-BIO_METHOD *BIO_s_mem(void);
+const BIO_METHOD *BIO_s_mem(void);
 BIO *BIO_new_mem_buf(void *buf, int len);
 const BIO_METHOD *BIO_s_socket(void);
 const BIO_METHOD *BIO_s_connect(void);
@@ -654,7 +654,7 @@ const BIO_METHOD *BIO_f_null(void);
 const BIO_METHOD *BIO_f_buffer(void);
 const BIO_METHOD *BIO_f_nbio_test(void);
 #ifndef OPENSSL_NO_DGRAM
-BIO_METHOD *BIO_s_datagram(void);
+const BIO_METHOD *BIO_s_datagram(void);
 #endif
 
 /* BIO_METHOD *BIO_f_ber(void); */
diff --git a/lib/libcrypto/bio/bss_dgram.c b/lib/libcrypto/bio/bss_dgram.c
index a9657402ce6..794b6d1b56a 100644
--- a/lib/libcrypto/bio/bss_dgram.c
+++ b/lib/libcrypto/bio/bss_dgram.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bss_dgram.c,v 1.41 2015/07/20 23:15:28 doug Exp $ */
+/* $OpenBSD: bss_dgram.c,v 1.42 2018/05/12 17:47:53 tb Exp $ */
 /* 
  * DTLS implementation written by Nagendra Modadugu
  * (nagendra@cs.stanford.edu) for the OpenSSL project 2005.  
@@ -86,7 +86,7 @@ static int dgram_clear(BIO *bio);
 
 static int BIO_dgram_should_retry(int s);
 
-static BIO_METHOD methods_dgramp = {
+static const BIO_METHOD methods_dgramp = {
 	.type = BIO_TYPE_DGRAM,
 	.name = "datagram socket",
 	.bwrite = dgram_write,
@@ -112,7 +112,7 @@ typedef struct bio_dgram_data_st {
 } bio_dgram_data;
 
 
-BIO_METHOD *
+const BIO_METHOD *
 BIO_s_datagram(void)
 {
 	return (&methods_dgramp);
diff --git a/lib/libcrypto/bio/bss_mem.c b/lib/libcrypto/bio/bss_mem.c
index be491ca152d..a699dc51c30 100644
--- a/lib/libcrypto/bio/bss_mem.c
+++ b/lib/libcrypto/bio/bss_mem.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bss_mem.c,v 1.15 2017/01/29 17:49:22 beck Exp $ */
+/* $OpenBSD: bss_mem.c,v 1.16 2018/05/12 17:47:53 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -72,7 +72,7 @@ static long mem_ctrl(BIO *h, int cmd, long arg1, void *arg2);
 static int mem_new(BIO *h);
 static int mem_free(BIO *data);
 
-static BIO_METHOD mem_method = {
+static const BIO_METHOD mem_method = {
 	.type = BIO_TYPE_MEM,
 	.name = "memory buffer",
 	.bwrite = mem_write,
@@ -87,7 +87,7 @@ static BIO_METHOD mem_method = {
 /* bio->num is used to hold the value to return on 'empty', if it is
  * 0, should_retry is not set */
 
-BIO_METHOD *
+const BIO_METHOD *
 BIO_s_mem(void)
 {
 	return (&mem_method);