1 /*
2 ** $Id: lprefix.h $
3 ** Definitions for Lua code that must come before any other header file
4 ** See Copyright Notice in lua.h
5 */
6 
7 #ifndef lprefix_h
8 #define lprefix_h
9 
10 
11 /*
12 ** Allows POSIX/XSI stuff
13 */
14 #if !defined(LUA_USE_C89)	/* { */
15 
16 #if !defined(_XOPEN_SOURCE)
17 #define _XOPEN_SOURCE           600
18 #elif _XOPEN_SOURCE == 0
19 #undef _XOPEN_SOURCE  /* use -D_XOPEN_SOURCE=0 to undefine it */
20 #endif
21 
22 /*
23 ** Allows manipulation of large files in gcc and some other compilers
24 */
25 #if !defined(LUA_32BITS) && !defined(_FILE_OFFSET_BITS)
26 #define _LARGEFILE_SOURCE       1
27 #define _FILE_OFFSET_BITS       64
28 #endif
29 
30 #endif				/* } */
31 
32 
33 /*
34 ** Windows stuff
35 */
36 #if defined(_WIN32)	/* { */
37 
38 #if !defined(_CRT_SECURE_NO_WARNINGS)
39 #define _CRT_SECURE_NO_WARNINGS  /* avoid warnings about ISO C functions */
40 #endif
41 
42 #endif			/* } */
43 
44 #endif
45 
46