bio: ABI breaking change: use int instead of byte for type

Author: rizlik

src/bio.c

@@ -2093,7 +2093,7 @@ WOLFSSL_BIO_METHOD *wolfSSL_BIO_meth_new(int type, const char *name)
         return NULL;
     }
     XMEMSET(meth, 0, sizeof(WOLFSSL_BIO_METHOD));
-    meth->type = (byte)type;
+    meth->type = type;
     XSTRNCPY(meth->name, name, MAX_BIO_METHOD_NAME - 1);
 
     return meth;
@@ -2890,7 +2890,7 @@ int wolfSSL_BIO_flush(WOLFSSL_BIO* bio)
                 DYNAMIC_TYPE_OPENSSL);
         if (bio) {
             XMEMSET(bio, 0, sizeof(WOLFSSL_BIO));
-            bio->type = (byte)method->type;
+            bio->type = method->type;
 #if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000L
             bio->method = (WOLFSSL_BIO_METHOD*)method;
 #else

wolfssl/internal.h

@@ -2819,7 +2819,7 @@ struct WOLFSSL_BIO {
     } num;
     int          eof;           /* eof flag */
     int          flags;
-    byte         type;          /* method type */
+    int          type;          /* method type */
     byte         init:1;        /* bio has been initialized */
     byte         shutdown:1;    /* close flag */
     byte         connected:1;   /* connected state, for datagram BIOs -- as for

wolfssl/ssl.h

@@ -783,7 +783,7 @@ typedef long (*wolfssl_BIO_meth_ctrl_info_cb)(WOLFSSL_BIO*, int, wolfSSL_BIO_inf
 #define MAX_BIO_METHOD_NAME 256
 #endif
 struct WOLFSSL_BIO_METHOD {
-    byte type;               /* method type */
+    int type;                /* method type */
     char name[MAX_BIO_METHOD_NAME];
     wolfSSL_BIO_meth_write_cb writeCb;
     wolfSSL_BIO_meth_read_cb readCb;