From 7d6a97e42bc3328b9c5ec1dabbd7e280e81c3efd Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 20 Dec 2022 11:14:52 -0300
Subject: Dump doesn't need to reuse 'source'

All strings are being reused now, including 'source'.
---
 lundump.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

(limited to 'lundump.c')

diff --git a/lundump.c b/lundump.c
index 4048fdea..3bff463f 100644
--- a/lundump.c
+++ b/lundump.c
@@ -162,7 +162,7 @@ static void loadCode (LoadState *S, Proto *f) {
 }
 
 
-static void loadFunction(LoadState *S, Proto *f, TString *psource);
+static void loadFunction(LoadState *S, Proto *f);
 
 
 static void loadConstants (LoadState *S, Proto *f) {
@@ -211,7 +211,7 @@ static void loadProtos (LoadState *S, Proto *f) {
   for (i = 0; i < n; i++) {
     f->p[i] = luaF_newproto(S->L);
     luaC_objbarrier(S->L, f, f->p[i]);
-    loadFunction(S, f->p[i], f->source);
+    loadFunction(S, f->p[i]);
   }
 }
 
@@ -266,10 +266,8 @@ static void loadDebug (LoadState *S, Proto *f) {
 }
 
 
-static void loadFunction (LoadState *S, Proto *f, TString *psource) {
+static void loadFunction (LoadState *S, Proto *f) {
   f->source = loadStringN(S, f);
-  if (f->source == NULL)  /* no source in dump? */
-    f->source = psource;  /* reuse parent's source */
   f->linedefined = loadInt(S);
   f->lastlinedefined = loadInt(S);
   f->numparams = loadByte(S);
@@ -342,7 +340,7 @@ LClosure *luaU_undump(lua_State *L, ZIO *Z, const char *name) {
   luaD_inctop(L);
   cl->p = luaF_newproto(L);
   luaC_objbarrier(L, cl, cl->p);
-  loadFunction(&S, cl->p, NULL);
+  loadFunction(&S, cl->p);
   lua_assert(cl->nupvalues == cl->p->sizeupvalues);
   luai_verifycode(L, cl->p);
   L->top.p--;  /* pop table */
-- 
cgit v1.2.3-55-g6feb