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util.table: Add pack() function (this is already available in Lua 5.2+)

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This commit is contained in:
Matthew Wild 2016-07-27 13:39:19 +01:00
parent 2c6065e198
commit 544456bc19
1 changed files with 15 additions and 0 deletions
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15
util-src/table.c
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@ -6,9 +6,24 @@ static int Lcreate_table(lua_State* L) {
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;
}