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Discrepancy: String.data(using: .japaneseEUC) returns nil on non-Darwin. #1016

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YOCKOW opened this issue Oct 28, 2024 · 3 comments · May be fixed by #1296
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Discrepancy: String.data(using: .japaneseEUC) returns nil on non-Darwin. #1016

YOCKOW opened this issue Oct 28, 2024 · 3 comments · May be fixed by #1296
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YOCKOW commented Oct 28, 2024

Given the following code:

import Foundation
print("Hello, world!".data(using: .japaneseEUC) as Any)

Results are:

OS Swift Result
macOS 5.10 "Optional(13 bytes)"
Ubuntu 5.10 "nil"
macOS 6.0 "Optional(13 bytes)"
Ubuntu 6.0 "nil"

This is not regression but discrepancy which should be also fixed.
@YOCKOW YOCKOW changed the title Discrepancy: String.data(using: . japaneseEUC) returns nil on non-Darwin. Discrepancy: String.data(using: .japaneseEUC) returns nil on non-Darwin. Oct 28, 2024
@YOCKOW YOCKOW mentioned this issue Oct 28, 2024
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parkera commented May 13, 2025 •
edited by YOCKOW
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Resolved by #1217 as long as Foundation is imported.

@parkera parkera closed this as completed May 13, 2025
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parkera commented May 13, 2025

Actually - @YOCKOW can you verify that?

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YOCKOW commented May 14, 2025 •
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While I confirmed ISO-2022-JP was OK, EUC-JP seems still broken.

Edit: I'm sorry. This issue is not regression. It has been existing from a long time ago. I'll try to tackle on this separately...

@YOCKOW YOCKOW reopened this May 14, 2025
@YOCKOW YOCKOW self-assigned this May 15, 2025
YOCKOW added a commit to YOCKOW/swift-foundation that referenced this issue May 16, 2025
@YOCKOW
Enable string conversion in EUC-JP.
7ae3f7f 
Background: EUC-JP is not supported by OSS CoreFoundation, while it is supported by macOS Foundation Framework.
See swiftlang#1016

This commit resolves the issue by calling ICU API if necessary.
@YOCKOW YOCKOW linked a pull request May 16, 2025 that will close this issue
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@YOCKOW YOCKOW linked a pull request May 16, 2025 that will close this issue
Enable string conversion in EUC-JP. #1296
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Enable string conversion in EUC-JP. YOCKOW/swift-foundation
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@parkera @YOCKOW