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fs: fix length option being ignored during read()#40906

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nodejs-github-bot merged 3 commits intonodejs:masterfrom
fracsinus:fs
Dec 10, 2021
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fs: fix length option being ignored during read()#40906
nodejs-github-bot merged 3 commits intonodejs:masterfrom
fracsinus:fs

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@fracsinus fracsinus commented Nov 21, 2021

Currently, calling read() with an options object always uses buffer.byteLength, ignoring length in the object.

First time opening a PR here, please let me know if anything doesn't conform to the guidelines.

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fs: fix length option being ignored during read()
4948c56 
Currently, `length` in an options object is ignored.
@nodejs-github-bot nodejs-github-bot added fs Issues and PRs related to the fs subsystem / file system. needs-ci PRs that need a full CI run. labels Nov 21, 2021
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Needs a test

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aduh95 commented Nov 21, 2021

Thanks for sending this PR, this looks indeed like an oversight.

Can you please add test cases in test/parallel/test-fs-promises-file-handle-read.js where the length argument is different from buffer.byteLength, and verify that the number of read bytes is as expected?

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fs: use nullish coalescing to respect zero-length reads
8fdb45b 
Co-authored-by: Robert Nagy <ronagy@icloud.com>
@ronag ronag added author ready PRs that have at least one approval, no pending requests for changes, and a CI started. request-ci Add this label to start a Jenkins CI on a PR. and removed needs-ci PRs that need a full CI run. labels Nov 22, 2021
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ronag commented Nov 22, 2021

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@ronag ronag requested a review from aduh95 November 22, 2021 10:22
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Can you please add a test case where length is 0?

@aduh95 aduh95 added commit-queue-squash Add this label to instruct the Commit Queue to squash all the PR commits into the first one. and removed author ready PRs that have at least one approval, no pending requests for changes, and a CI started. labels Nov 22, 2021
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fs: add test for zero-length read
3d49687 
Co-authored-by: Antoine du Hamel <duhamelantoine1995@gmail.com>
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nodejs-github-bot commented Nov 25, 2021

CI: https://ci.nodejs.org/job/node-test-pull-request/41093/

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CI: https://ci.nodejs.org/job/node-test-pull-request/41162/

@aduh95 aduh95 added the commit-queue Add this label to land a pull request using GitHub Actions. label Dec 10, 2021
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@nodejs-github-bot nodejs-github-bot merged commit 10493b4 into nodejs:master Dec 10, 2021
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nodejs-github-bot commented Dec 10, 2021

Landed in 10493b4

danielleadams pushed a commit that referenced this pull request Dec 13, 2021
@fracsinus @danielleadams
fs: fix length option being ignored during read()
7a8890a 
Currently, `length` in an options object is ignored.

PR-URL: #40906
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
danielleadams pushed a commit that referenced this pull request Dec 14, 2021
@fracsinus @danielleadams
fs: fix length option being ignored during read()
e25671c 
Currently, `length` in an options object is ignored.

PR-URL: #40906
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
@danielleadams danielleadams mentioned this pull request Dec 14, 2021
Merged
danielleadams pushed a commit that referenced this pull request Jan 31, 2022
@fracsinus @danielleadams
fs: fix length option being ignored during read()
6a98aa3 
Currently, `length` in an options object is ignored.

PR-URL: #40906
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
danielleadams pushed a commit that referenced this pull request Jan 31, 2022
@fracsinus @danielleadams
fs: fix length option being ignored during read()
8a790a9 
Currently, `length` in an options object is ignored.

PR-URL: #40906
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Linkgoron pushed a commit to Linkgoron/node that referenced this pull request Jan 31, 2022
@fracsinus @Linkgoron
fs: fix length option being ignored during read()
059a0c5 
Currently, `length` in an options object is ignored.

PR-URL: nodejs#40906
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
danielleadams pushed a commit that referenced this pull request Feb 1, 2022
@fracsinus @danielleadams
fs: fix length option being ignored during read()
67c6170 
Currently, `length` in an options object is ignored.

PR-URL: #40906
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
@danielleadams danielleadams mentioned this pull request Feb 1, 2022
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