Importer: Fixes issue with casting.

src/binding.cpp

+#include<iostream>
 #include <nan.h>
 #include "sass_context_wrapper.h"
 
@@ -19,7 +20,7 @@ void dispatched_async_uv_callback(uv_async_t *req){
   TryCatch try_catch;
 
   Handle<Value> argv[] = {
-    NanNew<String>(ctx_w->file)
+    NanNew<String>(strdup(ctx_w->file))
   };
 
   Local<Value> returned_value = NanNew<Value>(ctx_w->importer_callback->Call(1, argv));
@@ -67,13 +68,12 @@ struct Sass_Import** sass_importer(const char* file, void* cookie)
 {
   sass_context_wrapper* ctx_w = static_cast<sass_context_wrapper*>(cookie);
 
-  uv_mutex_t t;
   ctx_w->importer_mutex->lock();
   //uv_mutex_lock(ctx_w->mutex);
 
   // Enter critical section
-  ctx_w->file = file;
-  ctx_w->async.data = (void*)&ctx_w;
+  ctx_w->file = strdup(file);
+  ctx_w->async.data = (void*)ctx_w;
   uv_async_send(&ctx_w->async);
 
   // Reassurances

src/sass_context_wrapper.cpp

@@ -24,7 +24,7 @@ extern "C" {
   sass_context_wrapper* sass_make_context_wrapper() {
     // (sass_context_wrapper*) calloc(1, sizeof(sass_context_wrapper));
     auto ctx_w = (sass_context_wrapper*) calloc(1, sizeof(sass_context_wrapper));
-    ctx_w->importer_mutex = new std::recursive_mutex();
+    ctx_w->importer_mutex = new std::mutex();
     return ctx_w;
   }
 

src/sass_context_wrapper.h

@@ -17,7 +17,7 @@ struct sass_context_wrapper {
   Sass_File_Context* fctx;
   Persistent<Object> stats;
   uv_work_t request;
-  std::recursive_mutex* importer_mutex;
+  std::mutex* importer_mutex;
   //uv_mutex_t* mutex;
   uv_async_t async;
   const char* file;