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# patch-lua-5.1.4-4 created 2011-10-29T14:56:19-0200
# apply to a pristine copy of Lua 5.1.4 with:
# wget http://www.lua.org/ftp/lua-5.1.4.tar.gz
# tar zxf lua-5.1.4.tar.gz
# cd lua-5.1.4/src
# wget http://www.lua.org/ftp/patch-lua-5.1.4-4
# patch < patch-lua-5.1.4-4
# use curl -O -R if you don't have wget
--- lcode.c 2007/12/28 15:32:23 2.25.1.3
+++ lcode.c 2011/01/31 14:53:16 2.25.1.5
@@ -1,5 +1,5 @@
/*
-** $Id: lcode.c,v 2.25.1.3 2007/12/28 15:32:23 roberto Exp $
+** $Id: lcode.c,v 2.25.1.5 2011/01/31 14:53:16 roberto Exp $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -544,10 +544,6 @@
pc = NO_JUMP; /* always true; do nothing */
break;
}
- case VFALSE: {
- pc = luaK_jump(fs); /* always jump */
- break;
- }
case VJMP: {
invertjump(fs, e);
pc = e->u.s.info;
@@ -572,10 +568,6 @@
pc = NO_JUMP; /* always false; do nothing */
break;
}
- case VTRUE: {
- pc = luaK_jump(fs); /* always jump */
- break;
- }
case VJMP: {
pc = e->u.s.info;
break;
--- ldblib.c 2008/01/21 13:11:21 1.104.1.3
+++ ldblib.c 2009/08/04 18:50:18 1.104.1.4
@@ -1,5 +1,5 @@
/*
-** $Id: ldblib.c,v 1.104.1.3 2008/01/21 13:11:21 roberto Exp $
+** $Id: ldblib.c,v 1.104.1.4 2009/08/04 18:50:18 roberto Exp $
** Interface from Lua to its debug API
** See Copyright Notice in lua.h
*/
@@ -45,6 +45,7 @@
static int db_getfenv (lua_State *L) {
+ luaL_checkany(L, 1);
lua_getfenv(L, 1);
return 1;
}
--- lgc.c 2007/12/27 13:02:25 2.38.1.1
+++ lgc.c 2011/03/18 18:05:38 2.38.1.2
@@ -1,5 +1,5 @@
/*
-** $Id: lgc.c,v 2.38.1.1 2007/12/27 13:02:25 roberto Exp $
+** $Id: lgc.c,v 2.38.1.2 2011/03/18 18:05:38 roberto Exp $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@@ -627,7 +627,6 @@
}
}
else {
- lua_assert(g->totalbytes >= g->estimate);
setthreshold(g);
}
}
--- liolib.c 2008/01/18 17:47:43 2.73.1.3
+++ liolib.c 2010/05/14 15:33:51 2.73.1.4
@@ -1,5 +1,5 @@
/*
-** $Id: liolib.c,v 2.73.1.3 2008/01/18 17:47:43 roberto Exp $
+** $Id: liolib.c,v 2.73.1.4 2010/05/14 15:33:51 roberto Exp $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@@ -276,7 +276,10 @@
lua_pushnumber(L, d);
return 1;
}
- else return 0; /* read fails */
+ else {
+ lua_pushnil(L); /* "result" to be removed */
+ return 0; /* read fails */
+ }
}
--- llex.c 2007/12/27 13:02:25 2.20.1.1
+++ llex.c 2009/11/23 14:58:22 2.20.1.2
@@ -1,5 +1,5 @@
/*
-** $Id: llex.c,v 2.20.1.1 2007/12/27 13:02:25 roberto Exp $
+** $Id: llex.c,v 2.20.1.2 2009/11/23 14:58:22 roberto Exp $
** Lexical Analyzer
** See Copyright Notice in lua.h
*/
@@ -118,8 +118,10 @@
lua_State *L = ls->L;
TString *ts = luaS_newlstr(L, str, l);
TValue *o = luaH_setstr(L, ls->fs->h, ts); /* entry for `str' */
- if (ttisnil(o))
+ if (ttisnil(o)) {
setbvalue(o, 1); /* make sure `str' will not be collected */
+ luaC_checkGC(L);
+ }
return ts;
}
--- loadlib.c 2008/08/06 13:29:28 1.52.1.3
+++ loadlib.c 2009/09/09 13:17:16 1.52.1.4
@@ -1,5 +1,5 @@
/*
-** $Id: loadlib.c,v 1.52.1.3 2008/08/06 13:29:28 roberto Exp $
+** $Id: loadlib.c,v 1.52.1.4 2009/09/09 13:17:16 roberto Exp $
** Dynamic library loader for Lua
** See Copyright Notice in lua.h
**
@@ -639,7 +639,7 @@
lua_pushvalue(L, -1);
lua_replace(L, LUA_ENVIRONINDEX);
/* create `loaders' table */
- lua_createtable(L, 0, sizeof(loaders)/sizeof(loaders[0]) - 1);
+ lua_createtable(L, sizeof(loaders)/sizeof(loaders[0]) - 1, 0);
/* fill it with pre-defined loaders */
for (i=0; loaders[i] != NULL; i++) {
lua_pushcfunction(L, loaders[i]);
--- lparser.c 2007/12/28 15:32:23 2.42.1.3
+++ lparser.c 2011/10/21 19:31:42 2.42.1.4
@@ -1,5 +1,5 @@
/*
-** $Id: lparser.c,v 2.42.1.3 2007/12/28 15:32:23 roberto Exp $
+** $Id: lparser.c,v 2.42.1.4 2011/10/21 19:31:42 roberto Exp $
** Lua Parser
** See Copyright Notice in lua.h
*/
@@ -374,9 +374,9 @@
lua_assert(luaG_checkcode(f));
lua_assert(fs->bl == NULL);
ls->fs = fs->prev;
- L->top -= 2; /* remove table and prototype from the stack */
/* last token read was anchored in defunct function; must reanchor it */
if (fs) anchor_token(ls);
+ L->top -= 2; /* remove table and prototype from the stack */
}
--- lstrlib.c 2008/07/11 17:27:21 1.132.1.4
+++ lstrlib.c 2010/05/14 15:34:19 1.132.1.5
@@ -1,5 +1,5 @@
/*
-** $Id: lstrlib.c,v 1.132.1.4 2008/07/11 17:27:21 roberto Exp $
+** $Id: lstrlib.c,v 1.132.1.5 2010/05/14 15:34:19 roberto Exp $
** Standard library for string operations and pattern-matching
** See Copyright Notice in lua.h
*/
@@ -754,6 +754,7 @@
static int str_format (lua_State *L) {
+ int top = lua_gettop(L);
int arg = 1;
size_t sfl;
const char *strfrmt = luaL_checklstring(L, arg, &sfl);
@@ -768,7 +769,8 @@
else { /* format item */
char form[MAX_FORMAT]; /* to store the format (`%...') */
char buff[MAX_ITEM]; /* to store the formatted item */
- arg++;
+ if (++arg > top)
+ luaL_argerror(L, arg, "no value");
strfrmt = scanformat(L, strfrmt, form);
switch (*strfrmt++) {
case 'c': {
--- lvm.c 2007/12/28 15:32:23 2.63.1.3
+++ lvm.c 2011/08/17 20:43:11 2.63.1.5
@@ -1,5 +1,5 @@
/*
-** $Id: lvm.c,v 2.63.1.3 2007/12/28 15:32:23 roberto Exp $
+** $Id: lvm.c,v 2.63.1.5 2011/08/17 20:43:11 roberto Exp $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -133,6 +133,7 @@
void luaV_settable (lua_State *L, const TValue *t, TValue *key, StkId val) {
int loop;
+ TValue temp;
for (loop = 0; loop < MAXTAGLOOP; loop++) {
const TValue *tm;
if (ttistable(t)) { /* `t' is a table? */
@@ -141,6 +142,7 @@
if (!ttisnil(oldval) || /* result is no nil? */
(tm = fasttm(L, h->metatable, TM_NEWINDEX)) == NULL) { /* or no TM? */
setobj2t(L, oldval, val);
+ h->flags = 0;
luaC_barriert(L, h, val);
return;
}
@@ -152,7 +154,9 @@
callTM(L, tm, t, key, val);
return;
}
- t = tm; /* else repeat with `tm' */
+ /* else repeat with `tm' */
+ setobj(L, &temp, tm); /* avoid pointing inside table (may rehash) */
+ t = &temp;
}
luaG_runerror(L, "loop in settable");
}
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