BIO pairs.

1 files changed, 15 insertions, 1 deletions

diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index 62d26992af..b72688ea90 100644
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c
@@ -290,7 +290,7 @@ char *BIO_ptr_ctrl(BIO *b, int cmd, long larg)
 		return(p);
 	}
 
-long BIO_ctrl(BIO *b, int cmd, long larg, char *parg)
+long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)
 	{
 	long ret;
 	long (*cb)();
@@ -317,6 +317,20 @@ long BIO_ctrl(BIO *b, int cmd, long larg, char *parg)
 	return(ret);
 	}
 
+/* It is unfortunate to duplicate in functions what the BIO_(w)pending macros
+ * do; but those macros have inappropriate return type, and for interfacing
+ * from other programming languages, C macros aren't much of a help anyway. */
+size_t BIO_ctrl_pending(BIO *bio)
+    {
+	return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL);
+	}
+
+size_t BIO_ctrl_wpending(BIO *bio)
+    {
+	return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL);
+	}
+
+
 /* put the 'bio' on the end of b's list of operators */
 BIO *BIO_push(BIO *b, BIO *bio)
 	{