Recover BIO_number_{read|written}.

Android needs it. These functions were removed in the move to BoringSSL.

Change-Id: Ice24a0a1c390930cf07dbd00f72a3e12e6c241f9
Reviewed-on: https://boringssl-review.googlesource.com/1510
Reviewed-by: David Benjamin <davidben@chromium.org>
Reviewed-by: Adam Langley <agl@google.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/crypto/bio/bio.c b/crypto/bio/bio.c
index 11e4f65f..a35ff651 100644
--- a/crypto/bio/bio.c
+++ b/crypto/bio/bio.c
@@ -144,7 +144,7 @@ void BIO_free_all(BIO *bio) {
 }
 
 static int bio_io(BIO *bio, void *buf, int len, size_t method_offset,
-                  int callback_flags, unsigned long *num) {
+                  int callback_flags, size_t *num) {
   int i;
   typedef int (*io_func_t)(BIO *, char *, int);
   io_func_t io_func = NULL;
@@ -371,6 +371,14 @@ char *BIO_get_callback_arg(const BIO *bio) {
   return bio->cb_arg;
 }
 
+OPENSSL_EXPORT size_t BIO_number_read(const BIO *bio) {
+  return bio->num_read;
+}
+
+OPENSSL_EXPORT size_t BIO_number_written(const BIO *bio) {
+  return bio->num_write;
+}
+
 BIO *BIO_push(BIO *bio, BIO *appended_bio) {
   BIO *last_bio;