Fixed TLS build on Windows GCC/MVSC

Cleanup TLS compile

src/3rdparty/clib-net/deps/buffer/buffer.h

@@ -10,6 +10,11 @@
 
 #include <sys/types.h>
 
+#if defined(_MSC_VER)
+#include <BaseTsd.h>
+typedef SSIZE_T ssize_t;
+#endif
+
 /*
  * Default buffer size.
  */

src/3rdparty/clib-net/include/net.h

@@ -26,37 +26,22 @@ typedef struct net_s net_t;
 typedef struct addrinfo net_ai;
 typedef struct sockaddr_in socketPair_t;
 
-#define NET_FIELDS                    \
-  NET_CONNECTION_FIELDS               \
-  NET_UV_FIELDS                       \
-  NET_TLS_FIELDS                      \
-
-#define NET_CONNECTION_FIELDS         \
-  char *hostname;                     \
-  int   port;                         \
-  int   connected;                    \
-
-
-#define NET_UV_FIELDS                 \
-  uv_getaddrinfo_t *resolver;         \
-  uv_loop_t        *loop;             \
-  uv_tcp_t         *handle;           \
-  uv_connect_t     *conn;             \
-
-#ifndef XMRIG_NO_TLS
-    #define NET_TLS_FIELDS              \
-        int     use_ssl;                \
-        int     tls_established;        \
-        tls_t   *tls;
-#else
-    #define NET_TLS_FIELDS              \
-        int     use_ssl;                \
-        int     tls_established;
-#endif
-
 
 struct net_s {
-  NET_FIELDS;
+  char *hostname;
+  int   port;
+  int   connected;
+  uv_getaddrinfo_t *resolver;         
+  uv_loop_t        *loop;             
+  uv_tcp_t         *handle;           
+  uv_connect_t     *conn;            
+  int     use_ssl;
+  int     tls_established;
+  
+#ifndef XMRIG_NO_TLS
+  tls_t   *tls;	
+#endif		  
+ 
   void  *data;
   void (*conn_cb)(net_t*);
   void (*read_cb)(net_t*, size_t, char*);

src/3rdparty/clib-net/src/net.c

@@ -213,14 +213,15 @@ net_connect_cb(uv_connect_t *conn, int err) {
     do {
       read = tls_bio_read(net->tls, 0);
       if (read > 0) {
-        char buf[read];
+        char* buf = (char *) calloc(read, 1);
         uv_write_t * req = malloc(sizeof(uv_write_t));
         req->data = net;
         memset(buf, 0, read);
         memcpy(buf, net->tls->buf, read);
         uv_buf_t uvbuf = uv_buf_init(buf, read);
         uv_write(req, (uv_stream_t*)net->handle, &uvbuf, 1, net_write_cb);
-      }
+        free(buf);
+      }	
     } while (read > 0);
   }
 #endif
@@ -267,13 +268,14 @@ net_read(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
       do {
         read = tls_bio_read(net->tls, 0);
         if (read > 0) {
-          char buf2[read];
+          char* buf2 = (char *) calloc(read, 1);
           uv_write_t * req = malloc(sizeof(uv_write_t));
           req->data = net;
           memset(buf2, 0, read);
           memcpy(buf2, net->tls->buf, read);
           uv_buf_t uvbuf = uv_buf_init(buf2, read);
           uv_write(req, (uv_stream_t*)net->handle, &uvbuf, 1, net_write_cb);
+          free(buf2);
         }
       } while (read > 0);