publishing libcurl example with bintray/maven-publish

patch

diff --git a/samples/gradle/wrapper/gradle-wrapper.properties b/samples/gradle/wrapper/gradle-wrapper.properties
index e6a30918e..d76b502e2 100644
--- a/samples/gradle/wrapper/gradle-wrapper.properties
+++ b/samples/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/samples/libcurl/build.gradle b/samples/libcurl/build.gradle
index 99d386ed7..9bc30a78e 100644
--- a/samples/libcurl/build.gradle
+++ b/samples/libcurl/build.gradle
@@ -1,24 +1,27 @@
 import java.nio.file.Paths
 
+buildscript {
+    repositories {
+        jcenter()
+        maven { url "https://plugins.gradle.org/m2/" }
+        maven { url 'https://dl.bintray.com/jetbrains/kotlin-native-dependencies' }
+    }
+    
+    dependencies {
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.4-jetbrains-3"
+    }
+}
+
+
 plugins {
     id 'kotlin-multiplatform'
     id 'maven-publish'
 }
 
-group 'org.jetbrains.kotlin.sample.native'
-version '1.0'
-
-def localRepo = rootProject.file('build/.m2-local')
+apply plugin : 'com.jfrog.bintray'
 
-publishing {
-    repositories {
-        maven { url = "file://$localRepo" }
-    }
-}
-
-task cleanLocalRepo(type: Delete) {
-    delete localRepo
-}
+group 'org.jetbrains.kotlin.sample.native'
+version '1.0-alpha2'
 
 // Determine host preset.
 def hostPreset = MPPTools.defaultHostPreset(project, [kotlin.presets.macosX64, kotlin.presets.linuxX64, kotlin.presets.mingwX64])
@@ -54,3 +57,51 @@ kotlin {
         }
     }
 }
+
+/*
+apply plugin: 'maven-publish'
+
+publishing {
+    repositories {
+        maven {
+            name = 'bintray'
+            def bintrayUsername = 'minamoto-test'
+            def bintrayRepoName = 'repository-test-1'
+            def bintrayPackageName = 'libcurl'
+            url = "https://api.bintray.com/maven/$bintrayUsername/$bintrayRepoName/$bintrayPackageName/;publish=0"
+            credentials {
+                username =  project.property('bintrayUser')
+                password = project.property('bintrayApiKey')
+            }
+        }
+    }
+}
+*/
+
+bintray {
+    pkg {
+        user = project.hasProperty('bintrayUser') ? project.property('bintrayUser') : System.getenv('BINTRAY_USER')
+        key = project.hasProperty('bintrayApiKey') ? project.property('bintrayApiKey') : System.getenv('BINTRAY_API_KEY')
+        override = true // for multi-platform Kotlin/Native publishing
+
+        
+        userOrg = 'minamoto-test'
+        repo = 'repository-test-1'
+        name = 'libcurl-1'
+        version {
+            name = project.version
+            vcsTag = project.version
+            released  = new Date()
+        }
+    }
+}
+
+bintrayUpload.dependsOn publishToMavenLocal
+
+// This is for easier debugging of bintray uploading problems
+bintrayUpload.doFirst {
+    publications = project.publishing.publications.findAll { !it.name.contains('-test') }.collect {
+        println("Uploading artifact '$it.groupId:$it.artifactId:$it.version' from publication '$it.name'")
+        it
+    }
+}
\ No newline at end of file
diff --git a/samples/libcurl/src/libcurlMain/kotlin/CUrl.kt b/samples/libcurl/src/libcurlMain/kotlin/CUrl.kt
index 0ec4ea139..6e502b66d 100644
--- a/samples/libcurl/src/libcurlMain/kotlin/CUrl.kt
+++ b/samples/libcurl/src/libcurlMain/kotlin/CUrl.kt
@@ -6,8 +6,8 @@
 package sample.libcurl
 
 import kotlinx.cinterop.*
-import platform.posix.size_t
 import libcurl.*
+typealias size_t = ULong 
 
 class CUrl(url: String)  {
     private val stableRef = StableRef.create(this)