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strutcture for file handles exported in 'lauxlib.h'

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This commit is contained in:
Roberto Ierusalimschy 2011-11-11 17:59:17 -02:00
parent 3105febf9a
commit ef900f224c
2 changed files with 28 additions and 7 deletions
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27
lauxlib.h
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@ -1,5 +1,5 @@
/*
** $Id: lauxlib.h,v 1.116 2011/04/08 19:17:36 roberto Exp roberto $
** $Id: lauxlib.h,v 1.117 2011/06/16 14:10:12 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@ -163,6 +163,31 @@ LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);
/* }====================================================== */
/*
** {======================================================
** File handles for IO library
** =======================================================
*/
/*
** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
** initial structure 'luaIO_Stream' (it may contain other fields
** after that initial structure).
*/
#define LUA_FILEHANDLE "FILE*"
typedef struct luaIO_Stream {
FILE *f; /* stream (NULL for incompletely created streams) */
lua_CFunction closef; /* to close stream (NULL for closed streams) */
} luaIO_Stream;
/* }====================================================== */
/* compatibility with old module system */
#if defined(LUA_COMPAT_MODULE)

8
liolib.c
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@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.104 2011/09/13 21:09:04 roberto Exp roberto $
** $Id: liolib.c,v 2.105 2011/11/09 14:10:43 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@ -102,11 +102,7 @@
#define IO_OUTPUT (IO_PREFIX "output")
typedef struct LStream {
FILE *f; /* stream */
lua_CFunction closef; /* to close stream (NULL for closed streams) */
} LStream;
typedef luaIO_Stream LStream;
#define tolstream(L) ((LStream *)luaL_checkudata(L, 1, LUA_FILEHANDLE))