add utf8 library from Lua 5.3; use struct for string packing

1 files changed, 56 insertions, 0 deletions

diff --git a/lprefix.h b/lprefix.h
new file mode 100644
index 0000000..788da4e
--- /dev/null
+++ b/lprefix.h
@@ -0,0 +1,56 @@
+/*
+** $Id: lprefix.h,v 1.2 2014/12/29 16:54:13 roberto Exp $
+** Definitions for Lua code that must come before any other header file
+** See Copyright Notice in lua.h
+*/
+
+#ifndef lprefix_h
+#define lprefix_h
+
+
+/*
+** Allows POSIX/XSI stuff
+*/
+#if !defined(LUA_USE_C89)       /* { */
+
+#if !defined(_XOPEN_SOURCE)
+#define _XOPEN_SOURCE           600
+#elif _XOPEN_SOURCE == 0
+#undef _XOPEN_SOURCE  /* use -D_XOPEN_SOURCE=0 to undefine it */
+#endif
+
+/*
+** Allows manipulation of large files in gcc and some other compilers
+*/
+#if !defined(LUA_32BITS) && !defined(_FILE_OFFSET_BITS)
+#define _LARGEFILE_SOURCE       1
+#define _FILE_OFFSET_BITS       64
+#endif
+
+#endif                          /* } */
+
+
+/*
+** Windows stuff
+*/
+#if defined(_WIN32)     /* { */
+
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS  /* avoid warnings about ISO C functions */
+#endif
+
+#endif                  /* } */
+
+
+/* COMPAT53 adaptation */
+#include "c-api/compat-5.3.h"
+
+#undef LUAMOD_API
+#define LUAMOD_API extern
+
+#ifndef luaopen_utf8
+#  define luaopen_utf8 luaopen_compat53_utf8
+#endif
+
+#endif
+