=?utf-8?q?Balázs_Kéri?= <[email protected]>,
=?utf-8?q?Balázs_Kéri?= <[email protected]>,
=?utf-8?q?Balázs_Kéri?= <[email protected]>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/[email protected]>
================
@@ -2201,6 +2214,56 @@ void StdLibraryFunctionsChecker::initFunctionSummaries(
ErrnoNEZeroIrrelevant, GenericFailureMsg)
.ArgConstraint(NotNull(ArgNo(0))));
+ // int fgetc(FILE *stream);
+ // 'getc' is the same as 'fgetc' but may be a macro
+ addToFunctionSummaryMap(
+ {"getc", "fgetc"}, Signature(ArgTypes{FilePtrTy}, RetType{IntTy}),
+ Summary(NoEvalCall)
+ .Case({ReturnValueCondition(WithinRange, {{0, UCharRangeMax}})},
+ ErrnoMustNotBeChecked, GenericSuccessMsg)
+ .Case({ReturnValueCondition(WithinRange, SingleValue(EOFv))},
+ ErrnoNEZeroIrrelevant, GenericFailureMsg)
+ .ArgConstraint(NotNull(ArgNo(0))));
+
+ // int fputc(int c, FILE *stream);
+ // 'putc' is the same as 'fputc' but may be a macro
+ addToFunctionSummaryMap(
+ {"putc", "fputc"},
+ Signature(ArgTypes{IntTy, FilePtrTy}, RetType{IntTy}),
+ Summary(NoEvalCall)
+ .Case({ReturnValueCondition(BO_EQ, ArgNo(0))},
+ ErrnoMustNotBeChecked, GenericSuccessMsg)
+ .Case({ReturnValueCondition(WithinRange, SingleValue(EOFv))},
+ ErrnoNEZeroIrrelevant, GenericFailureMsg)
+ .ArgConstraint(NotNull(ArgNo(1)))
+ .ArgConstraint(
+ ArgumentCondition(0, WithinRange, {{0, UCharRangeMax}})));
----------------
NagyDonat wrote:
If the documentation says "converted to", then I'd suggest restricting only the
return value.
https://github.com/llvm/llvm-project/pull/76979
_______________________________________________
cfe-commits mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
