First version of the URL builder

examples/004_build.c

@@ -0,0 +1,33 @@
+#include <url.h>
+#include <stdio.h>
+
+int main(void)
+{
+    URL_Builder builder;
+    url_builder_init(&builder);
+
+    url_builder_set_scheme(&builder, "http", -1);
+
+    url_builder_set_username(&builder, "cozis", -1);
+
+    url_builder_set_password(&builder, "my_secret", -1);
+
+    url_builder_set_host_name(&builder, "www.ex@mple.com", -1);
+
+    url_builder_set_path(&builder, "/../../index.html", -1);
+
+    char url[1<<9];
+    int len = url_builder_finalize(&builder, url, sizeof(url));
+    if (len < 0) {
+        printf("Couldn't build URL\n");
+        return -1;
+    }
+    if (len >= (int) sizeof(url)) {
+        printf("URL buffer is too small\n");
+        return -1;
+    }
+    url[len] = '\0';
+
+    printf("Built URL: %s\n", url);
+    return 0;
+}