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small optimizations (lua_newtable -> lua_createtable)

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Roberto Ierusalimschy
2005-12-29 14:23:32 -02:00
parent 30eebb2d1c
commit bfdcbbcd76
9 changed files with 35 additions and 27 deletions
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8
liolib.c
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@@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 2.68 2005/10/14 16:24:11 roberto Exp roberto $
** $Id: liolib.c,v 2.69 2005/10/19 13:05:11 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@@ -507,8 +507,8 @@ static void createstdfile (lua_State *L, FILE *f, int k, const char *fname) {
LUALIB_API int luaopen_io (lua_State *L) {
createmeta(L);
/* create new (private) environment */
lua_newtable(L);
/* create (private) environment (with fields IO_INPUT, IO_OUTPUT, __close) */
lua_createtable(L, 2, 1);
lua_replace(L, LUA_ENVIRONINDEX);
/* open library */
luaL_register(L, LUA_IOLIBNAME, iolib);
@@ -518,7 +518,7 @@ LUALIB_API int luaopen_io (lua_State *L) {
createstdfile(L, stderr, 0, "stderr");
/* create environment for 'popen' */
lua_getfield(L, -1, "popen");
lua_newtable(L);
lua_createtable(L, 0, 1);
lua_pushcfunction(L, io_pclose);
lua_setfield(L, -2, "__close");
lua_setfenv(L, -2);