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SAPI: Fix seed parameter truncation for LuaPseudoRandom constructor

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Also fix a potential seed truncation issue on platforms where the
range of ptrdiff_t (the underlying type of lua_Integer) is too small.
This commit is contained in:
kwolekr 2015-10-26 04:01:01 -04:00
parent 306b067091
commit bc0318d2fc
1 changed files with 3 additions and 3 deletions
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6
src/script/lua_api/l_noise.cpp
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@ -440,7 +440,7 @@ int LuaPseudoRandom::create_object(lua_State *L)
{ {
NO_MAP_LOCK_REQUIRED; NO_MAP_LOCK_REQUIRED;
int seed = luaL_checknumber(L, 1); u64 seed = luaL_checknumber(L, 1);
LuaPseudoRandom *o = new LuaPseudoRandom(seed); LuaPseudoRandom *o = new LuaPseudoRandom(seed);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o; *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className); luaL_getmetatable(L, className);
@ -537,8 +537,8 @@ int LuaPcgRandom::create_object(lua_State *L)
{ {
NO_MAP_LOCK_REQUIRED; NO_MAP_LOCK_REQUIRED;
lua_Integer seed = luaL_checknumber(L, 1); u64 seed = luaL_checknumber(L, 1);
LuaPcgRandom *o = lua_isnumber(L, 2) ? LuaPcgRandom *o = lua_isnumber(L, 2) ?
new LuaPcgRandom(seed, lua_tointeger(L, 2)) : new LuaPcgRandom(seed, lua_tointeger(L, 2)) :
new LuaPcgRandom(seed); new LuaPcgRandom(seed);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o; *(void **)(lua_newuserdata(L, sizeof(void *))) = o;