case ConversionSpecifier::gArg:
case ConversionSpecifier::GArg:
return true;
+ // GNU extension.
+ case ConversionSpecifier::dArg:
+ case ConversionSpecifier::iArg:
+ case ConversionSpecifier::oArg:
+ case ConversionSpecifier::uArg:
+ case ConversionSpecifier::xArg:
+ case ConversionSpecifier::XArg:
+ return true;
default:
return false;
}
if (CS.isIntArg())
switch (LM.getKind()) {
case LengthModifier::AsLongDouble:
- return ArgTypeResult::Invalid();
+ // GNU extension.
+ return Ctx.LongLongTy;
case LengthModifier::None: return Ctx.IntTy;
case LengthModifier::AsChar: return ArgTypeResult::AnyCharTy;
case LengthModifier::AsShort: return Ctx.ShortTy;
if (CS.isUIntArg())
switch (LM.getKind()) {
case LengthModifier::AsLongDouble:
- return ArgTypeResult::Invalid();
+ // GNU extension.
+ return Ctx.UnsignedLongLongTy;
case LengthModifier::None: return Ctx.UnsignedIntTy;
case LengthModifier::AsChar: return Ctx.UnsignedCharTy;
case LengthModifier::AsShort: return Ctx.UnsignedShortTy;
return ScanfArgTypeResult();
case LengthModifier::AsPtrDiff:
return ScanfArgTypeResult(Ctx.getPointerDiffType(), "ptrdiff_t *");
- case LengthModifier::AsLongDouble: return ScanfArgTypeResult::Invalid();
+ case LengthModifier::AsLongDouble:
+ // GNU extension.
+ return ArgTypeResult(Ctx.LongLongTy);
case LengthModifier::AsAllocate: return ScanfArgTypeResult::Invalid();
case LengthModifier::AsMAllocate: return ScanfArgTypeResult::Invalid();
}
case LengthModifier::AsPtrDiff:
// FIXME: Unsigned version of ptrdiff_t?
return ScanfArgTypeResult();
- case LengthModifier::AsLongDouble: return ScanfArgTypeResult::Invalid();
+ case LengthModifier::AsLongDouble:
+ // GNU extension.
+ return ArgTypeResult(Ctx.UnsignedLongLongTy);
case LengthModifier::AsAllocate: return ScanfArgTypeResult::Invalid();
case LengthModifier::AsMAllocate: return ScanfArgTypeResult::Invalid();
}
scanf("%m[abc]", fp); // expected-warning{{format specifies type 'char **' but the argument has type 'float *'}}
}
+void test_longlong(long long *x, unsigned long long *y) {
+ scanf("%Ld", y); // no-warning
+ scanf("%Lu", y); // no-warning
+ scanf("%Lx", y); // no-warning
+ scanf("%Ld", x); // no-warning
+ scanf("%Lu", x); // no-warning
+ scanf("%Lx", x); // no-warning
+ scanf("%Ls", "hello"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
+}
+
// when the original string is within the argument expression.
printf(1 ? "yes %d" : "no %d"); // expected-warning 2{{more '%' conversions than data arguments}}
}
+
+// PR 9466: clang: doesn't know about %Lu, %Ld, and %Lx
+void printf_longlong(long long x, unsigned long long y) {
+ printf("%Ld", y); // no-warning
+ printf("%Lu", y); // no-warning
+ printf("%Lx", y); // no-warning
+ printf("%Ld", x); // no-warning
+ printf("%Lu", x); // no-warning
+ printf("%Lx", x); // no-warning
+ printf("%Ls", "hello"); // expected-warning {{length modifier 'L' results in undefined behavior or no effect with 's' conversion specifier}}
+}