revise memory allocation params

Author: shikokuchuo

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: nanonext
 Type: Package
 Title: NNG (Nanomsg Next Gen) Lightweight Messaging Library
-Version: 0.12.0.9017
+Version: 0.12.0.9018
 Description: R binding for NNG (Nanomsg Next Gen), a successor to ZeroMQ. NNG is
     a socket library implementing 'Scalability Protocols', a reliable,
     high-performance standard for common communications patterns including

NEWS.md

@@ -1,4 +1,4 @@
-# nanonext 0.12.0.9017 (development)
+# nanonext 0.12.0.9018 (development)
 
 *Please note this version contains breaking behavioural changes - see updates below.*
 

src/core.c

@@ -62,7 +62,7 @@ static void nano_write_bytes(R_outpstream_t stream, void *src, int len) {
       Rf_error("serialization exceeds max length of raw vector");
     }
     do {
-      buf->len = buf->len * (double) (buf->len < 1073741824 ? 2 : 1.2);
+      buf->len = buf->len * (double) (buf->len > 268435456 ? 1.2 : 2);
     } while (buf->len < req);
     buf->buf = R_Realloc(buf->buf, buf->len, unsigned char);
   }