[PATCH] D103426: Clang: Extend format string checking to wprintf/wscanf
Corentin Jabot via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Jun 21 12:11:11 PDT 2021
cor3ntin added inline comments.
================
Comment at: clang/lib/AST/OSLog.cpp:214
+ std::u16string U16 = Lit->getStringAsChar16();
+ String = Convert.to_bytes(U16); // u"char16_t String"
+ } else if (Lit->isUTF32()) {
----------------
If `getStringAsChar16` contains the string after `\x` escape replacement, it might contain invalid code units or lone surrogate, in which case `to_bytes` might throw if `Convert` is not initialized with an error string
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D103426/new/
https://reviews.llvm.org/D103426
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