BIO_new_mem_buf should take const void *
BIO_FLAGS_MEM_RDONLY keeps the invariant.
(Imported from upstream's a38a159bfcbc94214dda00e0e6b1fc6454a23b78)
Change-Id: I4cb35615d76b77929915e370dbb7fec1455da069
Reviewed-on: https://boringssl-review.googlesource.com/7214
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/include/openssl/bio.h b/include/openssl/bio.h
index 6ca3575..38b896f 100644
--- a/include/openssl/bio.h
+++ b/include/openssl/bio.h
@@ -368,12 +368,12 @@
/* BIO_s_mem returns a |BIO_METHOD| that uses a in-memory buffer. */
OPENSSL_EXPORT const BIO_METHOD *BIO_s_mem(void);
-/* BIO_new_mem_buf creates BIO that reads and writes from |len| bytes at |buf|.
+/* BIO_new_mem_buf creates read-only BIO that reads from |len| bytes at |buf|.
* It does not take ownership of |buf|. It returns the BIO or NULL on error.
*
* If |len| is negative, then |buf| is treated as a NUL-terminated string, but
* don't depend on this in new code. */
-OPENSSL_EXPORT BIO *BIO_new_mem_buf(void *buf, int len);
+OPENSSL_EXPORT BIO *BIO_new_mem_buf(const void *buf, int len);
/* BIO_mem_contents sets |*out_contents| to point to the current contents of
* |bio| and |*out_len| to contain the length of that data. It returns one on
