diff options
Diffstat (limited to 'clang/lib/Analysis/ScanfFormatString.cpp')
| -rw-r--r-- | clang/lib/Analysis/ScanfFormatString.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/Analysis/ScanfFormatString.cpp b/clang/lib/Analysis/ScanfFormatString.cpp index 5c7e6ef8f27..3c848f1f093 100644 --- a/clang/lib/Analysis/ScanfFormatString.cpp +++ b/clang/lib/Analysis/ScanfFormatString.cpp @@ -303,6 +303,9 @@ ScanfArgTypeResult ScanfSpecifier::getArgType(ASTContext &Ctx) const { case ConversionSpecifier::pArg: return ScanfArgTypeResult(ArgTypeResult(ArgTypeResult::CPointerTy)); + case ConversionSpecifier::nArg: + return ArgTypeResult(Ctx.IntTy); + default: break; } @@ -315,6 +318,10 @@ bool ScanfSpecifier::fixType(QualType QT, const LangOptions &LangOpt, if (!QT->isPointerType()) return false; + // %n is different from other conversion specifiers; don't try to fix it. + if (CS.getKind() == ConversionSpecifier::nArg) + return false; + QualType PT = QT->getPointeeType(); // If it's an enum, get its underlying type. |
