Fix native extension lookup

runtime/bin/utils.h

Index: runtime/bin/utils.h
diff --git a/runtime/bin/utils.h b/runtime/bin/utils.h
index ab02ebe647d02adada402037b78ab615b43b5fd4..5311d361e6523fb7027252a51450049665671600 100644
--- a/runtime/bin/utils.h
+++ b/runtime/bin/utils.h
@@ -84,6 +84,9 @@ class StringUtils {
                                    intptr_t len = -1,
                                    intptr_t* result_len = NULL);
 
+  // Not all platforms support strndup.
+  static char* StrNDup(const char* s, intptr_t n);

[siva, 2016/08/30 01:22:59]

Now that you have this implemented here, I am wondering if the function in os.h
should just return Utils::StrNDup(s, n);

[zra, 2016/08/30 16:05:18]

Code in runtime/vm shouldn't depend on code in runtime/bin. I'll look into
moving this and other util.h stuff to runtime/platform in another CL.

+
  private:
   DISALLOW_ALLOCATION();
   DISALLOW_IMPLICIT_CONSTRUCTORS(StringUtils);