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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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重归混沌, … 云风 Cloud Wu14

Oct 16

Some thoughts about string

重归混沌 <find...@gmail.com> 于2025年10月17日周五 11:43写道： > > > For this case, you can split

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Some thoughts about string

重归混沌 <find...@gmail.com> 于2025年10月17日周五 11:43写道： > > > For this case, you can split

Oct 16

Halalaluyafail3, bil til3

Oct 15

Comparing strings, strcoll, and undefined behavior

> the comparison in Lua is based on string compare functions in C compiler I think. Yes, as I

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Comparing strings, strcoll, and undefined behavior

> the comparison in Lua is based on string compare functions in C compiler I think. Yes, as I

Oct 15

Francisco Olarte

Oct 15

sctrcmp-like compare request

Seeing a message about potential problems with strcoll in string compare I have noticed that < and

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sctrcmp-like compare request

Seeing a message about potential problems with strcoll in string compare I have noticed that < and

Oct 15

bil til, Roberto Ierusalimschy6

Oct 15

V5.5 Manual: a small error and 2-3 wishes...

Thank you for this clear example description. Possibly it would be good to add such a "short

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V5.5 Manual: a small error and 2-3 wishes...

Thank you for this clear example description. Possibly it would be good to add such a "short

Oct 15

Alexander Walz, … Sainan5

Oct 14

Lua 5.x parser, Looking beyond luaX_lookahead()

I'm not sure what you mean. I think this was one of the easier patches; I assumed it would need a

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Lua 5.x parser, Looking beyond luaX_lookahead()

I'm not sure what you mean. I think this was one of the easier patches; I assumed it would need a

Oct 14

bil til, Roberto Ierusalimschy3

Oct 12

V5.5: Thanks for great new "fixed ROM option" for BIN code

So now I moved this modification to LuaL_loadfileex: if( !mode) mode= "Bt"; Thanks. Am So.,

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V5.5: Thanks for great new "fixed ROM option" for BIN code

So now I moved this modification to LuaL_loadfileex: if( !mode) mode= "Bt"; Thanks. Am So.,

Oct 12

bil til, … Javier Guerra Giraldez13

Oct 7

Interrupt Callback Functions for small IoT systems (small ROM-RAM)

concerning print function, I think performance / speed is not crucial, as it practically always is a

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Interrupt Callback Functions for small IoT systems (small ROM-RAM)

concerning print function, I think performance / speed is not crucial, as it practically always is a

Oct 7

Martin Cortese, Thijs Schreijer2

Oct 7

On Tue, 7 Oct 2025, at 10:04, Martin Cortese wrote: > Hi everybody, > I'm Martin from Italy

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On Tue, 7 Oct 2025, at 10:04, Martin Cortese wrote: > Hi everybody, > I'm Martin from Italy

Oct 7

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

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