================
@@ -320,6 +321,69 @@ bool
clang::analyze_format_string::ParseUTF8InvalidSpecifier(
// Methods on ArgType.
//===----------------------------------------------------------------------===//
+static bool namedTypeToLengthModifierKind(QualType QT,
+ LengthModifier::Kind &K) {
+ for (/**/; const auto *TT = QT->getAs<TypedefType>();
+ QT = TT->getDecl()->getUnderlyingType()) {
+ StringRef Name = TT->getDecl()->getIdentifier()->getName();
+ if (Name == "size_t" || Name == "__size_t") {
+ K = LengthModifier::AsSizeT;
+ return true;
+ } else if (Name == "__signed_size_t" ||
+ Name == "ssize_t" /*Not C99, but common in Unix.*/) {
+ K = LengthModifier::AsSizeT;
+ return true;
+ } else if (Name == "ptrdiff_t" || Name == "__ptrdiff_t") {
+ K = LengthModifier::AsPtrDiff;
+ return true;
+ } else if (Name == "intmax_t") {
+ K = LengthModifier::AsIntMax;
+ return true;
+ } else if (Name == "uintmax_t") {
+ K = LengthModifier::AsIntMax;
+ return true;
+ }
+ }
+ return false;
----------------
frederick-vs-ja wrote:
Ditto `<stdint.h>`/`<cstdint>`. Perhaps only `ssize_t` should be specifically
handled. Note that POSIX surprisingly allows `ssize_t` not to be the signed
version of `size_t`, per
https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_types.h.html.
https://github.com/llvm/llvm-project/pull/143653
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