Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 0e100e6b52e2498fbf3161504e02fdd6fab6cce9
https://github.com/WebKit/WebKit/commit/0e100e6b52e2498fbf3161504e02fdd6fab6cce9
Author: Chris Dumez <cdu...@apple.com>
Date: 2025-02-01 (Sat, 01 Feb 2025)
Changed paths:
M Source/WTF/wtf/text/icu/UnicodeExtras.h
M Source/WTF/wtf/unicode/UTF8Conversion.cpp
Log Message:
-----------
Drop use of WTF_ALLOW_UNSAFE_BUFFER_USAGE in UTF8Conversion.cpp
https://bugs.webkit.org/show_bug.cgi?id=286844
Reviewed by Geoffrey Garen.
The U8_NEXT() and U8_NEXT_OR_FFFD() macros from ICU ended doing indexing
on U8_LEAD3_T1_BITS and U8_LEAD4_T1_BITS, which were `const char*`. This
wasn't bound safe.
Introduce new U8_NEXT_SPAN() and U8_NEXT_OR_FFFD_SPAN() macros which:
1. Take in a span instead of a separate pointer and size
2. Relying on versions of U8_LEAD3_T1_BITS & U8_LEAD4_T1_BITS which use
std::array and are thus bounds-safe.
* Source/WTF/wtf/text/icu/UnicodeExtras.h:
* Source/WTF/wtf/unicode/UTF8Conversion.cpp:
(WTF::Unicode::char8_t>):
Canonical link: https://commits.webkit.org/289671@main
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