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File lua-5.1.4-upstream-bugfix.diff of Package lua51 (Revision 4)
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# patch-lua-5.1.4-2 created 2010-05-14T21:02:40-0300 # 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-5.1.4-2 # patch < patch-lua-5.1.4-2 # use curl -O -R if you don't have wget --- src/lcode.c 2007/12/28 15:32:23 2.25.1.3 +++ src/lcode.c 2009/06/15 14:12:25 2.25.1.4 @@ -1,5 +1,5 @@ /* -** $Id: lcode.c,v 2.25.1.3 2007/12/28 15:32:23 roberto Exp $ +** $Id: lcode.c,v 2.25.1.4 2009/06/15 14:12:25 roberto Exp $ ** Code generator for Lua ** See Copyright Notice in lua.h */ @@ -544,15 +544,18 @@ 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; break; } + case VFALSE: { + if (!hasjumps(e)) { + pc = luaK_jump(fs); /* always jump */ + break; + } + /* else go through */ + } default: { pc = jumponcond(fs, e, 0); break; @@ -572,14 +575,17 @@ 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; } + case VTRUE: { + if (!hasjumps(e)) { + pc = luaK_jump(fs); /* always jump */ + break; + } + /* else go through */ + } default: { pc = jumponcond(fs, e, 1); break; --- src/ldblib.c 2008/01/21 13:11:21 1.104.1.3 +++ src/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; } --- src/liolib.c 2008/01/18 17:47:43 2.73.1.3 +++ src/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 */ + } } --- src/llex.c 2007/12/27 13:02:25 2.20.1.1 +++ src/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; } --- src/loadlib.c 2008/08/06 13:29:28 1.52.1.3 +++ src/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]); --- src/lstrlib.c 2008/07/11 17:27:21 1.132.1.4 +++ src/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': { --- src/lvm.c 2007/12/28 15:32:23 2.63.1.3 +++ src/lvm.c 2009/07/01 21:10:33 2.63.1.4 @@ -1,5 +1,5 @@ /* -** $Id: lvm.c,v 2.63.1.3 2007/12/28 15:32:23 roberto Exp $ +** $Id: lvm.c,v 2.63.1.4 2009/07/01 21:10:33 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? */ @@ -152,7 +153,9 @@ 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"); }
