Introducing a new StrNDup function that uses new[] for when we dispose the re...

src/allocation.cc

 // Copyright 2008 the V8 project authors. 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
@@ skipping 69 matching lines @@
 
 char* StrDup(const char* str) {
   int length = strlen(str);
   char* result = NewArray<char>(length + 1);
   memcpy(result, str, length * kCharSize);
   result[length] = '\0';
   return result;
 }
 
 
+char* StrNDup(const char* str, size_t n) {
+  size_t length = strlen(str);
+  if (n < length) length = n;
+  char* result = NewArray<char>(length + 1);
+  memcpy(result, str, length * kCharSize);
+  result[length] = '\0';
+  return result;
+}
+
+
 int NativeAllocationChecker::allocation_disallowed_ = 0;
 
 
 PreallocatedStorage PreallocatedStorage::in_use_list_(0);
 PreallocatedStorage PreallocatedStorage::free_list_(0);
 bool PreallocatedStorage::preallocated_ = false;
 
 
 void PreallocatedStorage::Init(size_t size) {
   ASSERT(free_list_.next_ == &free_list_);
@@ skipping 78 matching lines @@
   previous_->next_ = next_;
 }
 
 
 PreallocatedStorage::PreallocatedStorage(size_t size)
   : size_(size) {
   previous_ = next_ = this;
 }
 
 } }  // namespace v8::internal