ruby.git/pack.c, branch v3_4_9 The Ruby Programming Language merge revision(s) 4e0bb58a0a374b40b7691e7b7aa88e759a0fc9f2: [Backport #21811] 2026-01-25T08:48:12+00:00 nagachika nagachika@ruby-lang.org 2026-01-25T08:48:12+00:00 86e65fa1677180f5108157206edb01cfd25f24b6 [PATCH] fix underflow 
	[PATCH] fix underflow
Expand buffer at once then fill it at once 2024-09-29T09:55:15+00:00 Nobuyoshi Nakada nobu@ruby-lang.org 2024-09-29T09:53:55+00:00 066ac0fdc2703ef627dab19cbb275d9aa28857a3 






Extract common code from `pack_pack` and `pack_unpack_internal`
2024-09-29T09:45:47+00:00

Nobuyoshi Nakada
nobu@ruby-lang.org

2024-09-29T09:07:33+00:00

3b43585a84978e9ca9b474ba55087edfd0863147












Introduce a specialize instruction for Array#pack
2024-05-23T19:11:50+00:00

Nobuyoshi Nakada
nobu@ruby-lang.org

2024-05-23T18:23:26+00:00

49fcd33e136ee2fe8720183b63a41bb6ef8d615c

Instructions for this code:

```ruby
  # frozen_string_literal: true

[a].pack("C")
```

Before this commit:

```
== disasm: #<ISeq:<main>@test.rb:1 (1,0)-(3,13)>
0000 putself                                                          (   3)[Li]
0001 opt_send_without_block                 <calldata!mid:a, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 newarray                               1
0005 putobject                              "C"
0007 opt_send_without_block                 <calldata!mid:pack, argc:1, ARGS_SIMPLE>
0009 leave
```

After this commit:

```
== disasm: #<ISeq:<main>@test.rb:1 (1,0)-(3,13)>
0000 putself                                                          (   3)[Li]
0001 opt_send_without_block                 <calldata!mid:a, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 putobject                              "C"
0005 opt_newarray_send                      2, :pack
0008 leave
```

Co-authored-by: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@shopify.com>
Co-authored-by: Aaron Patterson <tenderlove@ruby-lang.org>





Instructions for this code:

```ruby
  # frozen_string_literal: true

[a].pack("C")
```

Before this commit:

```
== disasm: #<ISeq:<main>@test.rb:1 (1,0)-(3,13)>
0000 putself                                                          (   3)[Li]
0001 opt_send_without_block                 <calldata!mid:a, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 newarray                               1
0005 putobject                              "C"
0007 opt_send_without_block                 <calldata!mid:pack, argc:1, ARGS_SIMPLE>
0009 leave
```

After this commit:

```
== disasm: #<ISeq:<main>@test.rb:1 (1,0)-(3,13)>
0000 putself                                                          (   3)[Li]
0001 opt_send_without_block                 <calldata!mid:a, argc:0, FCALL|VCALL|ARGS_SIMPLE>
0003 putobject                              "C"
0005 opt_newarray_send                      2, :pack
0008 leave
```

Co-authored-by: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@shopify.com>
Co-authored-by: Aaron Patterson <tenderlove@ruby-lang.org>







Reuse `natstr` if it equals `endstr`
2023-10-06T07:33:44+00:00

Nobuyoshi Nakada
nobu@ruby-lang.org

2023-10-06T04:53:16+00:00

232e401b0f19cb5191ae7a0ec107fc9bf10c8145












Fix a typo in BUG message [ci skip]
2023-01-19T15:20:27+00:00

Nobuyoshi Nakada
nobu@ruby-lang.org

2023-01-19T15:20:27+00:00

f36178006b99fd121e7936968d210e570f8d99d0












Add RBIMPL_ATTR_NORETURN to unknown_directive
2023-01-05T19:55:14+00:00

Peter Zhu
peter@peterzhu.ca

2023-01-05T19:14:59+00:00

29a5fcd60b3738378b66499636a10f96a0f2a474

Fixes a compiler warning about the function unknown_directive:

pack.c:160:1: warning: function 'unknown_directive' could be declared with attribute 'noreturn' [-Wmissing-noreturn]





Fixes a compiler warning about the function unknown_directive:

pack.c:160:1: warning: function 'unknown_directive' could be declared with attribute 'noreturn' [-Wmissing-noreturn]







Raise an ArgumentError for unknown pack/unpack directive
2023-01-05T18:05:03+00:00

Benoit Daloze
eregontp@gmail.com

2023-01-05T17:41:57+00:00

03dd37775afb40eef392ae2920d728235af302c8

* [Bug #19150]





* [Bug #19150]







Unconditionally warn "unknown pack/unpack directive"
2022-12-16T11:15:50+00:00

Yusuke Endoh
mame@ruby-lang.org

2022-12-15T19:04:41+00:00

ee7a338d2b21a84d194015c3680bd2a95c0dd23f

[Bug #19150]





[Bug #19150]







[Bug #19108] Check for the encoding of pack/unpack format
2022-12-01T08:38:33+00:00

Nobuyoshi Nakada
nobu@ruby-lang.org

2022-11-22T05:25:44+00:00

9869bd1d612b489df806cf95bcb56965a02424e0