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Implement user32 character helpers#140

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miried:codex/user32-char-functions
Open

Implement user32 character helpers#140
miried wants to merge 1 commit into
decompals:mainfrom
miried:codex/user32-char-functions

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@miried miried commented Jul 16, 2026

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Add CharUpperBuffW and CharNextA for the calls made by RC.EXE resource compiler from MSVC 4.2. CharUpperBuffW processes the requested UTF-16 code units in place, including embedded nulls, while CharNextA follows the configured single-byte ANSI code page and stops advancing at the terminator. Cover both exports with a Wine-verified fixture.

Add CharUpperBuffW and CharNextA for the calls made by `RC.EXE` resource compiler from MSVC 4.2. CharUpperBuffW processes the requested UTF-16 code units in place, including embedded nulls, while CharNextA follows the configured single-byte ANSI code page and stops advancing at the terminator. Cover both exports with a Wine-verified fixture.
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