Save http content to std::string

src/helloworld.cpp

@@ -1,24 +1,35 @@
-#include<iostream>
-#include<curl/curl.h>
-
+#include <iostream>
+#include <curl/curl.h>
+#include <string>
+
+
+static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp){
+  ((std::string*)userp)->append((char*)contents, size * nmemb);
+  return size * nmemb;
+}
+
 int main(int argc, char *argv[]) {
 
   std::cout << "Hello World!" << std::endl;
 
   CURL* curl;
   CURLcode res;
+  std::string readBuffer;
 
   curl = curl_easy_init();
 
   const char *data = "foo=bar"; 
   curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
   curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data);
+  curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
+  curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
 
   res = curl_easy_perform(curl);
   if(res == CURLE_OK) {
     long response_code;
     curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code);
     std::cout << "Got response code: " << response_code << std::endl;
+    std::cout << "Content " << readBuffer << std::endl;
   }
 
   curl_easy_cleanup(curl);