1 files changed, 72 insertions, 0 deletions
diff --git a/src/ruby/ext/grpc/rb_loader.c b/src/ruby/ext/grpc/rb_loader.c
new file mode 100644
index 0000000000..242535f164
--- /dev/null
+++ b/src/ruby/ext/grpc/rb_loader.c
@@ -0,0 +1,72 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "rb_grpc_imports.generated.h"
+
+#if GPR_WIN32
+#include <tchar.h>
+
+int grpc_rb_load_core() {
+#if GPR_ARCH_64
+  TCHAR fname[] = _T("grpc_c.64.ruby");
+#else
+  TCHAR fname[] = _T("grpc_c.32.ruby");
+#endif
+  HMODULE module = GetModuleHandle(_T("grpc_c.so"));
+  TCHAR path[2048 + 32] = _T("");
+  LPTSTR seek_back = NULL;
+  GetModuleFileName(module, path, 2048);
+
+  seek_back = _tcsrchr(path, _T('\\'));
+
+  while (seek_back) {
+    HMODULE grpc_c;
+    _tcscpy(seek_back + 1, fname);
+    grpc_c = LoadLibrary(path);
+    if (grpc_c) {
+      grpc_rb_load_imports(grpc_c);
+      return 1;
+    } else {
+      *seek_back = _T('\0');
+      seek_back = _tcsrchr(path, _T('\\'));
+    }
+  }
+
+  return 0;
+}
+
+#else
+
+int grpc_rb_load_core() { return 1; }
+
+#endif