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Welcome to lua-l, a list for discussing the Lua programming language, its uses, and its implementation. For further information, visit this page .

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Jure Bagić, … Roberto Ierusalimschy4

Sep 21

Potential overflow when dumping string size

I overlooked the header completely *facepalm*! On 25/09/21 11:50AM, Roberto Ierusalimschy wrote: >

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Potential overflow when dumping string size

I overlooked the header completely *facepalm*! On 25/09/21 11:50AM, Roberto Ierusalimschy wrote: >

Sep 21

jy l, … Roberto Ierusalimschy4

Sep 21

Assertion failure of `A <= ((1<<8)-1) && B <= ((1<<8)-1) && C <= ((1<<8)-1) && (k & ~1) == 0'

> ./lua -e 'load("local " .. string.rep("_,", 256) .. "_")'

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Assertion failure of `A <= ((1<<8)-1) && B <= ((1<<8)-1) && C <= ((1<<8)-1) && (k & ~1) == 0'

> ./lua -e 'load("local " .. string.rep("_,", 256) .. "_")'

Sep 21

Alexander Walz, … Francisco Olarte6

Sep 20

Mysterious Lua C API functions lua_getallocf() and lua_setallocf()

On Sat, 20 Sept 2025 at 16:21, Alexander Walz <al-a...@t-online.de> wrote: I stumbled about

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Mysterious Lua C API functions lua_getallocf() and lua_setallocf()

On Sat, 20 Sept 2025 at 16:21, Alexander Walz <al-a...@t-online.de> wrote: I stumbled about

Sep 20

Pierre Chapuis, … Luiz Henrique de Figueiredo10

Sep 19

loadk.com LuaRocks mirror abuse

This discussion is off topic here. Let's go back to discussing Lua. Thanks. --lhf

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loadk.com LuaRocks mirror abuse

This discussion is off topic here. Let's go back to discussing Lua. Thanks. --lhf

Sep 19

Lars Müller, … Lars Müller38

Sep 19

Proposal: C API function to check whether a table is a sequence

I have now written a proof of concept, and as expected it is much faster than a user iterating the

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Proposal: C API function to check whether a table is a sequence

I have now written a proof of concept, and as expected it is much faster than a user iterating the

Sep 19

Stefano Cossu, … Gé Weijers6

Sep 19

Lua run as user service cannot find /dev/stderr

Thanks for the suggestions. io.output(io.stderr) works as expected and looks like is much more

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Lua run as user service cannot find /dev/stderr

Thanks for the suggestions. io.output(io.stderr) works as expected and looks like is much more

Sep 19

Edward Gynt, … Sainan8

Sep 15

null pointer exception in luaC_checkfinalizer

> checks the linked list for sanity I should clarify that in this case I mean the 'finobj'

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null pointer exception in luaC_checkfinalizer

> checks the linked list for sanity I should clarify that in this case I mean the 'finobj'

Sep 15

Patrick Kurth, … Lars Müller23

Sep 12

Implementation of named function parameters

I strongly agree with the sentiment. Lua does not need "named parameters". If you want

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Implementation of named function parameters

I strongly agree with the sentiment. Lua does not need "named parameters". If you want

Sep 12

Gé Weijers, Roberto Ierusalimschy2

Sep 11

FYI: LUAI_FUNC etc. on MacOS

> FYI: I found that "__attribute__((visibility("internal"))) extern" works

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FYI: LUAI_FUNC etc. on MacOS

> FYI: I found that "__attribute__((visibility("internal"))) extern" works

Sep 11

Shahar Band, … Spar19

Sep 10

New Lua Style Guide for the Community

Well, believe it or not, but code style is important, but it's up to you what style you want to

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New Lua Style Guide for the Community

Well, believe it or not, but code style is important, but it's up to you what style you want to

Sep 10

Scott Condit, … Roberto Ierusalimschy6

Sep 9

lua 5.5 failing on C++ Exceptions (Linux)

> If building lua as C++ on Debian 6.1.140-1 x86_64, cc is (Debian > 12.2.0-14+deb12u1) 12.2.0

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lua 5.5 failing on C++ Exceptions (Linux)

> If building lua as C++ on Debian 6.1.140-1 x86_64, cc is (Debian > 12.2.0-14+deb12u1) 12.2.0

Sep 9

Martin Eden, … Roberto Ierusalimschy16

Sep 9

RFC: string.sub() address limits

> I'm curious why string.rep() and string.pack() use additional limits > for the size of

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RFC: string.sub() address limits

> I'm curious why string.rep() and string.pack() use additional limits > for the size of

Sep 9

David Favro, … Philippe Verdy6

Sep 7

-O3 triggers compiler warning [x86_64, Linux, gcc]

Why using "int" instead of a "size_t" here? This is signifiant when compiling for

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-O3 triggers compiler warning [x86_64, Linux, gcc]

Why using "int" instead of a "size_t" here? This is signifiant when compiling for

Sep 7

Sep 5

Lua on GNU/Linux distros Debian 13.0.0, and Linux Mint 22.2

G'day, Brief update, my GNU/Linux assistant works on recent Debian and Linux Mint releases. This

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Lua on GNU/Linux distros Debian 13.0.0, and Linux Mint 22.2

G'day, Brief update, my GNU/Linux assistant works on recent Debian and Linux Mint releases. This

Sep 5

Benny Isaacs, Luiz Henrique de Figueiredo2

Sep 4

Potential Security issue

> I've discovered a UAF in Lua which leads to native code execution. > How can I report it

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Potential Security issue

> I've discovered a UAF in Lua which leads to native code execution. > How can I report it

Sep 4

Caio Madeira, … Luiz Henrique de Figueiredo3

Sep 2

How do you contribute to Lua's resources while still being in line with its philosophy?

See https://www.lua.org/faq.html#1.8 https://www.lua.org/faq.html#1.9 https://www.lua.org/faq.html#

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How do you contribute to Lua's resources while still being in line with its philosophy?

See https://www.lua.org/faq.html#1.8 https://www.lua.org/faq.html#1.9 https://www.lua.org/faq.html#

Sep 2

Luiz Henrique de Figueiredo, … Luau Project13

Sep 1

Makefile targets

> The motivation is that we have no access to these platforms and so no > way to test these

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Makefile targets

> The motivation is that we have no access to these platforms and so no > way to test these

Sep 1

Roger Leigh, … Roberto Ierusalimschy27

Sep 1

Use of C89 vs C99

> uint8 -> unsigned char > > uint16_t -> unsigned short > > uint32_t ->

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Use of C89 vs C99

> uint8 -> unsigned char > > uint16_t -> unsigned short > > uint32_t ->

Sep 1

Родион Горковенко, … bil til14

Sep 1

Compound assignments as an exercise - hints welcome

Am So., 31. Aug. 2025 um 15:30 Uhr schrieb Frank Dana (FeRD) <fer...@gmail.com>: > > Is

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Compound assignments as an exercise - hints welcome

Am So., 31. Aug. 2025 um 15:30 Uhr schrieb Frank Dana (FeRD) <fer...@gmail.com>: > > Is

Sep 1

mohammadbagher bidram, … bil til13

Aug 31

How Can I Grow as a Young Lua Programmer?

Am So., 31. Aug. 2025 um 11:47 Uhr schrieb mohammadbagher bidram <mbbidr...@gmail.com>: >

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How Can I Grow as a Young Lua Programmer?

Am So., 31. Aug. 2025 um 11:47 Uhr schrieb mohammadbagher bidram <mbbidr...@gmail.com>: >

Aug 31

Aug 31

The book "Programming in Lua" is correct. If you have problems to follow the examples there

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The book "Programming in Lua" is correct. If you have problems to follow the examples there

Aug 31

Aug 30

[PATCH] Test portability fixes for 5.5.0-beta

Hi, I've spent the last day updating my CMake build for Lua to work with the 5.5.0-beta release,

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[PATCH] Test portability fixes for 5.5.0-beta

Hi, I've spent the last day updating my CMake build for Lua to work with the 5.5.0-beta release,

Aug 30

Luau Project, … Edoardo Lolletti13

Aug 27

Review fseek on MinGW / MinGW-w64 on Windows prior to Lua 5.5.0 official release

> Regarding this issue, wouldn't be easier to use the windows api for > these cases? Using

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Review fseek on MinGW / MinGW-w64 on Windows prior to Lua 5.5.0 official release

> Regarding this issue, wouldn't be easier to use the windows api for > these cases? Using

Aug 27

Rett Berg, … Philippe Verdy29

Aug 27

table.push(t, ...) method?

Le ven. 22 août 2025 à 02:46, mjmouse9999 <mjmou...@gmail.com> a écrit : On Friday, August

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table.push(t, ...) method?

Le ven. 22 août 2025 à 02:46, mjmouse9999 <mjmou...@gmail.com> a écrit : On Friday, August

Aug 27

Sainan, … Philippe Verdy8

Aug 27

utf8.offset acknowledges null terminator

Le dim. 24 août 2025 à 16:31, Roberto Ierusalimschy <rob...@inf.puc-rio.br> a écrit : > Hi,

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utf8.offset acknowledges null terminator

Le dim. 24 août 2025 à 16:31, Roberto Ierusalimschy <rob...@inf.puc-rio.br> a écrit : > Hi,

Aug 27

nobody, Roberto Ierusalimschy4

Aug 27

Lua 5.4 (+ 5.5 too probably) OP_SETLIST 32 bit index overflow reachable from Lua source code

> On 2025-08-26 20:37, Roberto Ierusalimschy wrote: > > Can you check whether this change

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Lua 5.4 (+ 5.5 too probably) OP_SETLIST 32 bit index overflow reachable from Lua source code

> On 2025-08-26 20:37, Roberto Ierusalimschy wrote: > > Can you check whether this change

Aug 27

Luiz Henrique de Figueiredo

Aug 25

The paper "Lua in TeX" by Hans Hagen has appeared online in the Journal of Computer

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The paper "Lua in TeX" by Hans Hagen has appeared online in the Journal of Computer

Aug 25

Luiz Henrique de Figueiredo, … Roberto Ierusalimschy67

Aug 20

[ANN] Lua 5.5.0 (beta) now available

> Few other comments/nitpicks I have noticed: > > [...] Many thanks for the feedback. We

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[ANN] Lua 5.5.0 (beta) now available

> Few other comments/nitpicks I have noticed: > > [...] Many thanks for the feedback. We

Aug 20

Steven, … Sainan3

Aug 19

Does this solve the string __index problem?

We do something similar in Pluto, but instead the check for a number is done in C/the VM. But if you

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Does this solve the string __index problem?

We do something similar in Pluto, but instead the check for a number is done in C/the VM. But if you

Aug 19

Sergey Kaplun, Roberto Ierusalimschy2

Aug 19

Question about inconsistent errmssg for the ERRMEM in the error handler.

> According to the documentation [1]: > > LUA_ERRERR: error while running the message

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Question about inconsistent errmssg for the ERRMEM in the error handler.

> According to the documentation [1]: > > LUA_ERRERR: error while running the message

Aug 19

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