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To:	cygwin AT cygwin DOT com
Subject:	Re: texlive-install: core dumped
References:	<op DOT wzfrolroofd6j1 AT nebbiolo DOT upc DOT de> <51CEC839 DOT 507 AT cornell DOT edu> <op DOT wzfwtr0wofd6j1 AT nebbiolo DOT upc DOT de> <51CEE558 DOT 6070104 AT cornell DOT edu> <op DOT wzgaely4ofd6j1 AT nebbiolo DOT upc DOT de> <51CF2925 DOT 2060804 AT cornell DOT edu> <op DOT wzggt0qzofd6j1 AT nebbiolo DOT upc DOT de> <51CF63C4 DOT 4070001 AT cornell DOT edu> <op DOT wzgxhts2ofd6j1 AT nebbiolo DOT upc DOT de> <51CF9918 DOT 5020602 AT cornell DOT edu>
Date:	Sun, 30 Jun 2013 13:50:19 +0200
MIME-Version:	1.0
From:	"Helmut Karlowski" <helmut DOT karlowski AT ish DOT de>
Message-ID:	<op.wzhpt5zyofd6j1@nebbiolo.upc.de>
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Ken Brown, 30.06.2013 04:34:00:

>> it later. Is there a database of all styles, fonts etc. for all
>> texlive-packages?
>
> Does http://cygwin.com/packages/ give you what you're looking for?  Or  
> maybe you want texlive.tlpdb, available at
>
>    http://www.ctan.org/tex-archive/systems/texlive/tlnet/tlpkg

Not very comfortable, but better than nothing :)

> If you want to try debugging this with gdb, the texlive-debuginfo  
> package contains the files you need.

Thanks! Found the bug:

In

texk/web2c/luatexdir/lua/loslibext.c:649

In

632     static void find_env(lua_State * L)
633     {
634         char *envitem, *envitem_orig;
(gdb)
635         char *envkey;
636         char **envpointer;
637         envpointer = environ;
638         lua_getglobal(L, "os");
639         if (envpointer != NULL && lua_istable(L, -1)) {
640             luaL_checkstack(L, 2, "out of stack space");
641             lua_pushstring(L, "env");
642             lua_newtable(L);
643             while (*envpointer) {
644                 /* TODO: perhaps a memory leak here  */
(gdb)
645                 luaL_checkstack(L, 2, "out of stack space");
646                 envitem = xstrdup(*envpointer);
647                 envitem_orig = envitem;
648                 envkey = envitem;
649                 while (*envitem != '=') {
650                     envitem++;
651                 }
652                 *envitem = 0;
653                 envitem++;
654                 lua_pushstring(L, envkey);
(gdb)
655                 lua_pushstring(L, envitem);
656                 lua_rawset(L, -3);
657                 envpointer++;
658                 free(envitem_orig);
659             }
660             lua_rawset(L, -3);
661         }
662         lua_pop(L, 1);
663     }


It crashes in line 649, because my shell put an item without '=' in the  
environment, and there is no 0-check in find_env(), which appears to be a  
good thing. Fixed.

-- 
Helmut Karlowski

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