- Add OS::StrNDup instead of redefining it when needed.

runtime/vm/isolate.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/isolate.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "lib/mirrors.h"
@@ skipping 810 matching lines @@
     buffer.Printf("\"line\": %"Pd", ", frame->LineNumber());
     buffer.Printf("\"function\": \"%s\", ", function.ToCString());
 
     const Code& code = frame->code();
     buffer.Printf("\"code\": { ");
     buffer.Printf("\"alive\": %s, ", code.is_alive() ? "false" : "true");
     buffer.Printf("\"optimized\": %s }}",
         code.is_optimized() ? "false" : "true");
   }
   buffer.Printf("]}");
-  isolate->stacktrace_ = strndup(buffer.buf(), buffer.length());
+  isolate->stacktrace_ = OS::StrNDup(buffer.buf(), buffer.length());
   ml.Notify();
   return true;
 }
 
 
 bool Isolate::FetchStackFrameDetails() {
   Isolate* isolate = Isolate::Current();
   ASSERT(isolate->stack_frame_index_ >= 0);
   MonitorLocker ml(status_sync);
   DebuggerStackTrace* stack = Debugger::CollectStackTrace();
@@ skipping 23 matching lines @@
       buffer.Printf(", ");
     }
     intptr_t token_pos, end_pos;
     frame->VariableAt(i, &var_name, &token_pos, &end_pos, &value);
     buffer.Printf(
         "{ \"name\": \"%s\", \"pos\": %"Pd", \"end_pos\": %"Pd", "
         "\"value\": \"%s\" }",
         var_name.ToCString(), token_pos, end_pos, value.ToCString());
   }
   buffer.Printf("]}");
-  isolate->stacktrace_ = strndup(buffer.buf(), buffer.length());
+  isolate->stacktrace_ = OS::StrNDup(buffer.buf(), buffer.length());
   ml.Notify();
   return true;
 }
 
 
 char* Isolate::DoStacktraceInterrupt(Dart_IsolateInterruptCallback cb) {
   ASSERT(stacktrace_ == NULL);
   SetVmStatsCallback(cb);
   if (status_sync == NULL) {
     status_sync = new Monitor();
@@ skipping 180 matching lines @@
   return func.raw();
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(isolate());
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart