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Posted to dev@stdcxx.apache.org by "Martin Sebor (JIRA)" <ji...@apache.org> on 2007/09/06 00:03:40 UTC
[jira] Closed: (STDCXX-204) std::filebuf::overflow(EOF) writes
garbage in unbuffered mode
[ https://issues.apache.org/jira/browse/STDCXX-204?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Martin Sebor closed STDCXX-204.
-------------------------------
Resolution: Duplicate
Closed as a duplicate of STDCXX-522 which has already been fixed.
> std::filebuf::overflow(EOF) writes garbage in unbuffered mode
> -------------------------------------------------------------
>
> Key: STDCXX-204
> URL: https://issues.apache.org/jira/browse/STDCXX-204
> Project: C++ Standard Library
> Issue Type: Bug
> Components: 27. Input/Output
> Affects Versions: 4.1.2, 4.1.3
> Environment: All.
> Reporter: Martin Sebor
> Assignee: Martin Sebor
> Fix For: 4.2
>
>
> The program below dumps core:
> $ cat t.cpp && nice gmake t && ./t
> #include <cassert>
> #include <fstream>
> struct MyBuf: std::filebuf {
> int_type oflow () {
> return overflow (traits_type::eof ());
> }
> };
> int main ()
> {
> MyBuf f;
> assert (0 != f.open ("test.file", std::ios::out | std::ios::trunc));
> assert (0 != f.pubsetbuf (0, 0));
> assert (MyBuf::traits_type::eof () != f.oflow ());
> assert (0 == f.pubseekoff (0, std::ios::end, std::ios::out));
> }
> aCC -c -I/amd/devco/sebor/dev/stdlib/include/ansi -I/usr/include -D_RWSTDDEBUG -mt -D_RWSTD_USE_CONFIG -I/amd/devco/sebor/dev/stdlib/include -I/build/sebor/aCC-3.63-15S/include -I/amd/devco/sebor/dev/stdlib/../rwtest -I/amd/devco/sebor/dev/stdlib/../rwtest/include -I/amd/devco/sebor/dev/stdlib/tests/include -Aa +nostl -g +d +DD64 +w +W392 +W655 +W684 +W818 +W819 +W849 t.cpp
> aCC t.o -o t -L/build/sebor/aCC-3.63-15S/rwtest -lrwtest15S -Aa +nostl -Wl,+s -Wl,+vnocompatwarnings -L/build/sebor/aCC-3.63-15S/lib -mt +DD64 -L/build/sebor/aCC-3.63-15S/lib -lstd15S -lm
> Assertion failed: 0 == f.pubseekoff (0, std::ios::end, std::ios::out), file t.cpp, line 19
> ABORT instruction (core dumped)
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