add old v0.4 code

client/libcurl/tls_socket.c

@@ -0,0 +1,24 @@
+#include <stdlib.h>
+
+#include "curl/curl.h"
+#include "curl/easy.h"
+#include "types.h"
+
+struct WSResult* recv_from_socket(CURL* http_handle, int buffer_size) {
+  size_t nread;
+  char* buffer = malloc(buffer_size);
+  CURLcode res = curl_easy_recv(http_handle, buffer, buffer_size, &nread);
+  
+  struct WSResult* result = malloc(sizeof(struct WSResult));
+  result->buffer_size = nread;
+  result->buffer = buffer;
+  result->res = (int) res;
+  result->closed = (nread == 0);
+  return result;
+}
+
+int send_to_socket(CURL* http_handle, const char* data, int data_len) {
+  size_t sent;
+  CURLcode res = curl_easy_send(http_handle, data, data_len, &sent);
+  return (int) res;
+}