1 files changed, 63 insertions, 0 deletions
diff --git a/src/libui_sdl/libui/windows/alloc.cpp b/src/libui_sdl/libui/windows/alloc.cpp
new file mode 100644
index 0000000..eeee3ad
--- /dev/null
+++ b/src/libui_sdl/libui/windows/alloc.cpp
@@ -0,0 +1,63 @@
+// 4 december 2014
+#include "uipriv_windows.hpp"
+
+typedef std::vector<uint8_t> byteArray;
+
+static std::map<uint8_t *, byteArray *> heap;
+static std::map<byteArray *, const char *> types;
+
+void initAlloc(void)
+{
+	// do nothing
+}
+
+void uninitAlloc(void)
+{
+	std::ostringstream oss;
+	std::string ossstr;		// keep alive, just to be safe
+
+	if (heap.size() == 0)
+		return;
+	for (const auto &alloc : heap)
+		// note the void * cast; otherwise it'll be treated as a string
+		oss << (void *) (alloc.first) << " " << types[alloc.second] << "\n";
+	ossstr = oss.str();
+	userbug("Some data was leaked; either you left a uiControl lying around or there's a bug in libui itself. Leaked data:\n%s", ossstr.c_str());
+}
+
+#define rawBytes(pa) (&((*pa)[0]))
+
+void *uiAlloc(size_t size, const char *type)
+{
+	byteArray *out;
+
+	out = new byteArray(size, 0);
+	heap[rawBytes(out)] = out;
+	types[out] = type;
+	return rawBytes(out);
+}
+
+void *uiRealloc(void *_p, size_t size, const char *type)
+{
+	uint8_t *p = (uint8_t *) _p;
+	byteArray *arr;
+
+	if (p == NULL)
+		return uiAlloc(size, type);
+	arr = heap[p];
+	arr->resize(size, 0);
+	heap.erase(p);
+	heap[rawBytes(arr)] = arr;
+	return rawBytes(arr);
+}
+
+void uiFree(void *_p)
+{
+	uint8_t *p = (uint8_t *) _p;
+
+	if (p == NULL)
+		implbug("attempt to uiFree(NULL)");
+	types.erase(heap[p]);
+	delete heap[p];
+	heap.erase(p);
+}