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util-src/table.c @ 7519:d278a770eddc
util.table: Add pack() function (this is already available in Lua 5.2+)
author | Matthew Wild <mwild1@gmail.com> |
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date | Wed, 27 Jul 2016 13:39:19 +0100 |
parent | 6615:8e4572a642cb |
child | 7538:a3a4ed0d34f4 |
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#include <lua.h> #include <lauxlib.h> static int Lcreate_table(lua_State* L) { lua_createtable(L, luaL_checkinteger(L, 1), luaL_checkinteger(L, 2)); return 1; } static int Lpack(lua_State* L) { unsigned int n_args = lua_gettop(L); lua_createtable(L, n_args, 1); lua_insert(L, 1); for(int arg = n_args; arg >= 1; arg--) { lua_rawseti(L, 1, arg); } lua_pushinteger(L, n_args); lua_setfield(L, -2, "n"); return 1; } int luaopen_util_table(lua_State* L) { lua_newtable(L); lua_pushcfunction(L, Lcreate_table); lua_setfield(L, -2, "create"); lua_pushcfunction(L, Lpack); lua_setfield(L, -2, "pack"); return 1; }