update curl example

curl/build.gradle

@@ -0,0 +1,27 @@
+apply plugin: 'c'
+apply plugin: 'visual-studio'
+
+sources {
+    download {
+        c {
+            exportedHeaders {
+                srcDir "packages/curl.7.30.0.2/build/native/include"
+            }
+        }
+    }
+}
+
+executables {
+    download {
+        binaries.all {
+            if (toolChain in VisualCpp) {
+                cCompiler.args "/MD"
+                linker.args "/SUBSYSTEM:CONSOLE", "/LIBPATH:../build/lib/", "libcurl.lib"
+            } else if (toolChain in Gcc) {
+                linker.args "-lcurl"
+            }
+        }
+    }
+}
+
+

curl/src/download/c/download.c

@@ -0,0 +1,40 @@
+/********* Sample code generated by the curl command line tool **********
+ * All curl_easy_setopt() options are documented at:
+ * http://curl.haxx.se/libcurl/c/curl_easy_setopt.html
+ ************************************************************************/
+#include <curl/curl.h>
+
+int main(int argc, char *argv[])
+{
+  CURLcode ret;
+  CURL *hnd;
+
+  hnd = curl_easy_init();
+  curl_easy_setopt(hnd, CURLOPT_URL, "http://www.ysoft.com");
+  curl_easy_setopt(hnd, CURLOPT_USERAGENT, "curl/7.26.0");
+  curl_easy_setopt(hnd, CURLOPT_MAXREDIRS, 50L);
+  curl_easy_setopt(hnd, CURLOPT_TCP_KEEPALIVE, 1L);
+
+  /* Here is a list of options the curl code used that cannot get generated
+     as source easily. You may select to either not use them or implement
+     them yourself.
+
+  CURLOPT_WRITEDATA set to a objectpointer
+  CURLOPT_WRITEFUNCTION set to a functionpointer
+  CURLOPT_READDATA set to a objectpointer
+  CURLOPT_READFUNCTION set to a functionpointer
+  CURLOPT_SEEKDATA set to a objectpointer
+  CURLOPT_SEEKFUNCTION set to a functionpointer
+  CURLOPT_ERRORBUFFER set to a objectpointer
+  CURLOPT_STDERR set to a objectpointer
+
+  */
+
+  ret = curl_easy_perform(hnd);
+
+  curl_easy_cleanup(hnd);
+  hnd = NULL;
+
+  return (int)ret;
+}
+/**** End of sample code ****/