1 files changed, 135 insertions, 0 deletions
diff --git a/third-party/libuv/src/unix/getaddrinfo.c b/third-party/libuv/src/unix/getaddrinfo.c
new file mode 100644
index 0000000000..1db00680d1
--- /dev/null
+++ b/third-party/libuv/src/unix/getaddrinfo.c
@@ -0,0 +1,135 @@
+/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <errno.h>
+#include <stddef.h> /* NULL */
+#include <stdlib.h>
+#include <string.h>
+
+
+static void uv__getaddrinfo_work(struct uv__work* w) {
+  uv_getaddrinfo_t* req;
+  int err;
+
+  req = container_of(w, uv_getaddrinfo_t, work_req);
+  err = getaddrinfo(req->hostname, req->service, req->hints, &req->res);
+  req->retcode = uv__getaddrinfo_translate_error(err);
+}
+
+
+static void uv__getaddrinfo_done(struct uv__work* w, int status) {
+  uv_getaddrinfo_t* req;
+  struct addrinfo *res;
+
+  req = container_of(w, uv_getaddrinfo_t, work_req);
+  uv__req_unregister(req->loop, req);
+
+  res = req->res;
+  req->res = NULL;
+
+  /* See initialization in uv_getaddrinfo(). */
+  if (req->hints)
+    free(req->hints);
+  else if (req->service)
+    free(req->service);
+  else if (req->hostname)
+    free(req->hostname);
+  else
+    assert(0);
+
+  req->hints = NULL;
+  req->service = NULL;
+  req->hostname = NULL;
+
+  if (status == -ECANCELED) {
+    assert(req->retcode == 0);
+    req->retcode = UV_EAI_CANCELED;
+  }
+
+  req->cb(req, req->retcode, res);
+}
+
+
+int uv_getaddrinfo(uv_loop_t* loop,
+                   uv_getaddrinfo_t* req,
+                   uv_getaddrinfo_cb cb,
+                   const char* hostname,
+                   const char* service,
+                   const struct addrinfo* hints) {
+  size_t hostname_len;
+  size_t service_len;
+  size_t hints_len;
+  size_t len;
+  char* buf;
+
+  if (req == NULL || cb == NULL || (hostname == NULL && service == NULL))
+    return -EINVAL;
+
+  hostname_len = hostname ? strlen(hostname) + 1 : 0;
+  service_len = service ? strlen(service) + 1 : 0;
+  hints_len = hints ? sizeof(*hints) : 0;
+  buf = malloc(hostname_len + service_len + hints_len);
+
+  if (buf == NULL)
+    return -ENOMEM;
+
+  uv__req_init(loop, req, UV_GETADDRINFO);
+  req->loop = loop;
+  req->cb = cb;
+  req->res = NULL;
+  req->hints = NULL;
+  req->service = NULL;
+  req->hostname = NULL;
+  req->retcode = 0;
+
+  /* order matters, see uv_getaddrinfo_done() */
+  len = 0;
+
+  if (hints) {
+    req->hints = memcpy(buf + len, hints, sizeof(*hints));
+    len += sizeof(*hints);
+  }
+
+  if (service) {
+    req->service = memcpy(buf + len, service, service_len);
+    len += service_len;
+  }
+
+  if (hostname) {
+    req->hostname = memcpy(buf + len, hostname, hostname_len);
+    len += hostname_len;
+  }
+
+  uv__work_submit(loop,
+                  &req->work_req,
+                  uv__getaddrinfo_work,
+                  uv__getaddrinfo_done);
+
+  return 0;
+}
+
+
+void uv_freeaddrinfo(struct addrinfo* ai) {
+  if (ai)
+    freeaddrinfo(ai);
+}