# HG changeset patch
# User Markus Mützel <markus.muetzel@gmx.de>
# Date 1659458784 -7200
# Node ID bcd75c07c9e8f5cd0a0cb8364aeb3070f62debcc
# Parent  5386fd4af64c4535aacfdf43cdb46fbef0217c20
scanf: Don't set error when reaching end of stream (bug #62723).

* libinterp/corefcn/oct-stream.cc (base_stream::do_scanf): Don't set error when
reaching end of stream.

diff -r 5386fd4af64c -r bcd75c07c9e8 libinterp/corefcn/oct-stream.cc
--- a/libinterp/corefcn/oct-stream.cc	Fri Jul 29 20:53:14 2022 -0700
+++ b/libinterp/corefcn/oct-stream.cc	Tue Aug 02 18:46:24 2022 +0200
@@ -4996,7 +4996,7 @@
 
                     // If it looks like we have a matching failure, then
                     // reset the failbit in the stream state.
-                    if (is.rdstate () & std::ios::failbit)
+                    if (! is.eof () && is.rdstate () & std::ios::failbit)
                       {
                         error (who, "format failed to match");
                         is.clear (is.rdstate () & (~std::ios::failbit));