[flang-commits] [PATCH] D127017: [flang][runtime] Signal format error when input field width is zero

[Peter Klausler via Phabricator via flang-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGaa77cf90aab8: [flang][runtime] Signal format error when input field width is zero (authored by klausler).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D127017/new/

https://reviews.llvm.org/D127017

Files:
  flang/runtime/format-implementation.h


Index: flang/runtime/format-implementation.h
===================================================================
--- flang/runtime/format-implementation.h
+++ flang/runtime/format-implementation.h
@@ -434,6 +434,11 @@
   } else if (edit.descriptor != DataEdit::DefinedDerivedType) {
     edit.width = GetIntField(context);
   }
+  if constexpr (std::is_base_of_v<InputStatementState, CONTEXT>) {
+    if (edit.width.value_or(-1) == 0) {
+      ReportBadFormat(context, "Input field width is zero", start);
+    }
+  }
   if (edit.descriptor != DataEdit::DefinedDerivedType && PeekNext() == '.') {
     ++offset_;
     edit.digits = GetIntField(context);


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