From 7dc3850e78493eed1e85fa7bc0b96068ae7fb9f4 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Wed, 8 Jun 2022 15:35:12 +0200
Subject: Fix warnings in minilua.c.

---
 src/host/genminilua.lua | 7 +++++++
 src/host/minilua.c      | 5 +++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/host/genminilua.lua b/src/host/genminilua.lua
index a72ef2ef..e8e86c53 100644
--- a/src/host/genminilua.lua
+++ b/src/host/genminilua.lua
@@ -327,6 +327,12 @@ local function rename_tokens2(src)
   return gsub(src, "ZY([%w_]+)", "union %1")
 end
 
+local function fix_bugs_and_warnings(src)
+ src = gsub(src, "(luaD_checkstack%(L,p%->maxstacksize)%)", "%1+p->numparams)")
+ src = gsub(src, "if%(sep==%-1%)(return'%[';)\nelse (luaX_lexerror%b();)", "if (sep!=-1)%2\n%1")
+ return gsub(src, "(default:{\nNode%*n=mainposition)", "/*fallthrough*/\n%1")
+end
+
 local function func_gather(src)
   local nodes, list = {}, {}
   local pos, len = 1, #src
@@ -425,5 +431,6 @@ src = rename_tokens1(src)
 src = func_collect(src)
 src = rename_tokens2(src)
 src = restore_strings(src)
+src = fix_bugs_and_warnings(src)
 src = merge_header(src, license)
 io.write(src)
diff --git a/src/host/minilua.c b/src/host/minilua.c
index cfc7491d..76f32aed 100644
--- a/src/host/minilua.c
+++ b/src/host/minilua.c
@@ -1639,6 +1639,7 @@ lua_number2int(k,n);
 if(luai_numeq(cast_num(k),nvalue(key)))
 return luaH_getnum(t,k);
 }
+/*fallthrough*/
 default:{
 Node*n=mainposition(t,key);
 do{
@@ -2905,8 +2906,8 @@ if(sep>=0){
 read_long_string(ls,seminfo,sep);
 return TK_STRING;
 }
-else if(sep==-1)return'[';
-else luaX_lexerror(ls,"invalid long string delimiter",TK_STRING);
+else if (sep!=-1)luaX_lexerror(ls,"invalid long string delimiter",TK_STRING);
+return'[';
 }
 case'=':{
 next(ls);
-- 
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