From: "Jairo A. del Rio" <jairoadelrio6@gmail.com>
To: Hans Hagen <j.hagen@xs4all.nl>
Cc: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: About loading C libraries (again)
Date: Wed, 4 Nov 2020 21:42:18 -0500 [thread overview]
Message-ID: <CAKyqqaZzV4yCbTo8YUdecdb1daq2C4_s_2aVOTEam8FyL-yTSw@mail.gmail.com> (raw)
In-Reply-To: <05f82ec7-17c0-344b-e65a-fe47a0f99182@xs4all.nl>
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Hi again. I grepped the new release and I see permitloadlib is already
included in mtxrun. Just out of curiosity, is --permitloadlib called via
context or should I use it from mtxrun?
context --permitloadlib file.tex still doesn't have any effect.
Best wishes,
Jairo :)
El mié., 4 de nov. de 2020 a la(s) 06:44, Hans Hagen (j.hagen@xs4all.nl)
escribió:
> On 11/4/2020 11:01 AM, Jairo A. del Rio wrote:
> > Hi. I've just read in the LuaMetaTeX manual that --permitloadlib allows
> > loading compiled (.so/.dll) libraries. However, when I try it using
> > ConTeXt I have an error message (example below):
> >
> > %hello.tex
> >
> > \starttext
> >
> > \startluacode
> >
> > local hello = require"hellolib" -- hellolib.so
> >
> > context(hello.helloworld())
> >
> > \stopluacode
> >
> > \stoptext
> >
> > %hello.c
> > #include <lua.h>
> > #include <lauxlib.h>
> >
> > static int helloworld (lua_State *L) {
> > char hello[] = "Hello world!";
> > lua_pushstring(L, hello);
> > return 1;
> > }
> >
> > static const struct luaL_Reg hellolib [] = {
> > {"helloworld", helloworld},
> > {NULL, NULL}
> > };
> >
> > int luaopen_hellolib (lua_State *L){
> > luaL_newlib(L, hellolib);
> > return 1;
> > }
> >
> >
> > error (lua loadlib): you can only load external libraries when
> > --permitloadlib is given
> >
> >
> > On the other hand, manually calling LuaMetaTeX with the ConTeXt format
> > and --permitloadlib gives the expected result (in this case, a "Hello
> > world!").
> >
> > How is the correct way to load those libraries? Thank you very much and
> > sorry if my question seems to be weird.
> i should add a --permitloadlib option to the context runner then
>
> Hans
>
> -----------------------------------------------------------------
> Hans Hagen | PRAGMA ADE
> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------
>
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next prev parent reply other threads:[~2020-11-05 2:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-04 10:01 Jairo A. del Rio
2020-11-04 11:44 ` Hans Hagen
2020-11-05 2:42 ` Jairo A. del Rio [this message]
2020-11-05 9:08 ` Hans Hagen
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