Merge commit 'ee861bc6cf7ccec4a056443488e7b0860b8b0606' as 'external/unarr'

external/unarr/common/allocator.h

@@ -0,0 +1,29 @@
+/* Copyright 2015 the unarr project authors (see AUTHORS file).
+   License: LGPLv3 */
+
+#ifndef common_allocator_h
+#define common_allocator_h
+
+#ifdef USE_CUSTOM_ALLOCATOR
+
+#include <stddef.h>
+
+typedef void *(* custom_malloc_fn)(void *opaque, size_t size);
+typedef void (* custom_free_fn)(void *opaque, void *ptr);
+
+void ar_set_custom_allocator(custom_malloc_fn custom_malloc, custom_free_fn custom_free, void *opaque);
+
+#define malloc(size) ar_malloc(size)
+#define calloc(count, size) ar_calloc(count, size)
+#define free(ptr) ar_free(ptr)
+
+#define realloc(ptr, size) _use_malloc_memcpy_free_instead(ptr, size)
+#define strdup(str) _use_malloc_memcpy_instead(str)
+
+#elif !defined(NDEBUG) && defined(_MSC_VER)
+
+#include <crtdbg.h>
+
+#endif
+
+#endif