4.20

Common/Alloc.cpp

@@ -0,0 +1,79 @@
+// Common/Alloc.cpp
+
+#include "StdAfx.h"
+
+#ifdef _WIN32
+#include "MyWindows.h"
+#else
+#include <stdlib.h>
+#endif
+
+#include "Alloc.h"
+
+/* #define _SZ_ALLOC_DEBUG */
+/* use _SZ_ALLOC_DEBUG to debug alloc/free operations */
+#ifdef _SZ_ALLOC_DEBUG
+#include <stdio.h>
+int g_allocCount = 0;
+int g_allocCountBig = 0;
+#endif
+
+void *MyAlloc(size_t size)
+{
+  #ifdef _SZ_ALLOC_DEBUG
+  fprintf(stderr, "\nAlloc %10d bytes; count = %10d", size, g_allocCount++);
+  #endif
+
+  return ::malloc(size);
+}
+
+void MyFree(void *address)
+{
+  #ifdef _SZ_ALLOC_DEBUG
+  if (address != 0)
+    fprintf(stderr, "\nFree; count = %10d", --g_allocCount);
+  #endif
+  
+  ::free(address);
+}
+
+void *BigAlloc(size_t size)
+{
+  #ifdef _SZ_ALLOC_DEBUG
+  fprintf(stderr, "\nAlloc_Big %10d bytes;  count = %10d", size, g_allocCountBig++);
+  #endif
+  
+  #ifdef _WIN32
+  return ::VirtualAlloc(0, size, MEM_COMMIT, PAGE_READWRITE);
+  #else
+  return ::malloc(size);
+  #endif
+}
+
+void BigFree(void *address)
+{
+  #ifdef _SZ_ALLOC_DEBUG
+  if (address != 0)
+    fprintf(stderr, "\nFree_Big; count = %10d", --g_allocCountBig);
+  #endif
+  
+  if (address == 0)
+    return;
+  #ifdef _WIN32
+  ::VirtualFree(address, 0, MEM_RELEASE);
+  #else
+  ::free(address);
+  #endif
+}
+
+/*
+void *BigAllocE(size_t size)
+{
+  void *res = BigAlloc(size);
+  #ifndef _NO_EXCEPTIONS
+  if (res == 0)
+    throw CNewException();
+  #endif
+  return res;
+}
+*/