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Lua 5.4 change: userdata created with 1 uservalue by default. Set to 0 when possible

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dmiller
2024-06-20 20:47:10 +00:00
parent 13be028eb1
commit 136e1c6ed7
8 changed files with 18 additions and 18 deletions
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6
lpeg.c
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@@ -2285,7 +2285,7 @@ static TTree *gettree (lua_State *L, int idx, int *len) {
*/
static TTree *newtree (lua_State *L, int len) {
size_t size = (len - 1) * sizeof(TTree) + sizeof(Pattern);
Pattern *p = (Pattern *)lua_newuserdata(L, size);
Pattern *p = (Pattern *)lua_newuserdatauv(L, size, 1);
luaL_getmetatable(L, PATTERN_T);
lua_setmetatable(L, -2);
p->code = NULL; p->codesize = 0;
@@ -3390,7 +3390,7 @@ static Capture *doublecap (lua_State *L, Capture *cap, int captop, int ptop) {
Capture *newc;
if (captop >= INT_MAX/((int)sizeof(Capture) * 2))
luaL_error(L, "too many captures");
newc = (Capture *)lua_newuserdata(L, captop * 2 * sizeof(Capture));
newc = (Capture *)lua_newuserdatauv(L, captop * 2 * sizeof(Capture), 0);
memcpy(newc, cap, captop * sizeof(Capture));
lua_replace(L, caplistidx(ptop));
return newc;
@@ -3412,7 +3412,7 @@ static Stack *doublestack (lua_State *L, Stack **stacklimit, int ptop) {
luaL_error(L, "too many pending calls/choices");
newn = 2 * n; /* new size */
if (newn > max) newn = max;
newstack = (Stack *)lua_newuserdata(L, newn * sizeof(Stack));
newstack = (Stack *)lua_newuserdatauv(L, newn * sizeof(Stack), 0);
memcpy(newstack, stack, n * sizeof(Stack));
lua_replace(L, stackidx(ptop));
*stacklimit = newstack + newn;