diff options
| -rw-r--r-- | src/pugixml.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp index f2f1dd9..90befd8 100644 --- a/src/pugixml.cpp +++ b/src/pugixml.cpp @@ -1,5 +1,4 @@ /** -{ * pugixml parser - version 1.5 * -------------------------------------------------------- * Copyright (C) 2006-2014, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com) @@ -326,7 +325,7 @@ PUGI__NS_BEGIN void* memory = xml_memory::allocate(size + xml_memory_page_alignment); if (!memory) return 0; - // align upwards to page boundary (note: this guarantees at least 1 usable byte before the page) + // align to next page boundary (note: this guarantees at least 1 usable byte before the page) char* page_memory = reinterpret_cast<char*>((reinterpret_cast<uintptr_t>(memory) + xml_memory_page_alignment) & ~(xml_memory_page_alignment - 1)); // prepare page structure @@ -336,6 +335,7 @@ PUGI__NS_BEGIN page->allocator = _root->allocator; // record the offset for freeing the memory block + assert(page_memory > memory && page_memory - static_cast<char*>(memory) <= 127); page_memory[-1] = static_cast<char>(page_memory - static_cast<char*>(memory)); return page; @@ -5966,6 +5966,7 @@ namespace pugi // destroy dynamic storage, leave sentinel page (it's in static memory) impl::xml_memory_page* root_page = reinterpret_cast<impl::xml_memory_page*>(_root->header & impl::xml_memory_page_pointer_mask); assert(root_page && !root_page->prev); + assert(reinterpret_cast<char*>(root_page) >= _memory && reinterpret_cast<char*>(root_page) < _memory + sizeof(_memory)); for (impl::xml_memory_page* page = root_page->next; page; ) { |