[flang-commits] [PATCH] D127789: [flang][runtime] Fix INQUIRE(POS=n) for non-advancing I/O

[Peter Klausler via Phabricator via flang-commits]

klausler created this revision.
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Position inquiries need to account for offsets in records to be
accurate in the case of non-advancing I/O.


https://reviews.llvm.org/D127789

Files:
  flang/runtime/unit.h


Index: flang/runtime/unit.h
===================================================================
--- flang/runtime/unit.h
+++ flang/runtime/unit.h
@@ -97,7 +97,7 @@
   void SetPosition(std::int64_t, IoErrorHandler &); // zero-based
   std::int64_t InquirePos() const {
     // 12.6.2.11 defines POS=1 as the beginning of file
-    return frameOffsetInFile_ + 1;
+    return frameOffsetInFile_ + recordOffsetInFrame_ + positionInRecord + 1;
   }
 
   ChildIo *GetChildIo() { return child_.get(); }


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