1 files changed, 57 insertions, 0 deletions

diff --git a/CPP/Common/Common.h b/CPP/Common/Common.h
new file mode 100644
index 0000000..8dac613
--- /dev/null
+++ b/CPP/Common/Common.h
@@ -0,0 +1,57 @@
+// Common.h
+
+#ifndef __COMMON_COMMON_H
+#define __COMMON_COMMON_H
+
+/*
+This file is included to all cpp files in 7-Zip.
+Each folder contains StdAfx.h file that includes "Common.h".
+So 7-Zip includes "Common.h" in both modes:
+  with precompiled StdAfx.h
+and
+  without precompiled StdAfx.h
+
+If you use 7-Zip code, you must include "Common.h" before other h files of 7-zip.
+If you don't need some things that are used in 7-Zip,
+you can change this h file or h files included in this file.
+*/
+
+// compiler pragmas to disable some warnings
+#include "../../C/Compiler.h"
+
+// it's <windows.h> or code that defines windows things, if it's not _WIN32
+#include "MyWindows.h"
+
+// NewHandler.h and NewHandler.cpp redefine operator new() to throw exceptions, if compiled with old MSVC compilers
+#include "NewHandler.h"
+
+
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+
+/* There is BUG in MSVC 6.0 compiler for operator new[]:
+   It doesn't check overflow, when it calculates size in bytes for allocated array.
+   So we can use MY_ARRAY_NEW macro instead of new[] operator. */
+
+#if defined(_MSC_VER) && (_MSC_VER == 1200) && !defined(_WIN64)
+  #define MY_ARRAY_NEW(p, T, size) p = new T[(size > (unsigned)0xFFFFFFFF / sizeof(T)) ? (unsigned)0xFFFFFFFF / sizeof(T) : size];
+#else
+  #define MY_ARRAY_NEW(p, T, size) p = new T[size];
+#endif
+
+#if (defined(__GNUC__) && (__GNUC__ >= 8))
+  #define MY_ATTR_NORETURN __attribute__((noreturn))
+#elif (defined(__clang__) && (__clang_major__ >= 3))
+  #if __has_feature(cxx_attributes)
+    #define MY_ATTR_NORETURN [[noreturn]]
+  #else
+    #define MY_ATTR_NORETURN __attribute__ ((noreturn))
+  #endif
+#elif (defined(_MSC_VER) && (_MSC_VER >= 1900))
+  #define MY_ATTR_NORETURN [[noreturn]]
+#else
+  #define MY_ATTR_NORETURN
+#endif
+
+#endif