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* [Bug stdio/28949] New: String streams do not handle flush-only overflow correctly
@ 2022-03-08 10:36 fweimer at redhat dot com
2022-05-23 9:08 ` [Bug stdio/28949] " cvs-commit at gcc dot gnu.org
0 siblings, 1 reply; 2+ messages in thread
From: fweimer at redhat dot com @ 2022-03-08 10:36 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=28949
Bug ID: 28949
Summary: String streams do not handle flush-only overflow
correctly
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: stdio
Assignee: unassigned at sourceware dot org
Reporter: fweimer at redhat dot com
Target Milestone: ---
_IO_sstr_overflow (fp, EOF) and _IO_wstr_overflow (fp, WEOF) always return EOF
and WEOF, even if the call was successful. This means that the caller has no
way of checking for failure.
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* [Bug stdio/28949] String streams do not handle flush-only overflow correctly
2022-03-08 10:36 [Bug stdio/28949] New: String streams do not handle flush-only overflow correctly fweimer at redhat dot com
@ 2022-05-23 9:08 ` cvs-commit at gcc dot gnu.org
0 siblings, 0 replies; 2+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-05-23 9:08 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=28949
--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Florian Weimer <fw@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0060a6de5493aeb4af457511e9b9ab532a6930a5
commit 0060a6de5493aeb4af457511e9b9ab532a6930a5
Author: Florian Weimer <fweimer@redhat.com>
Date: Mon May 23 10:08:18 2022 +0200
stdio-common: Add tst-memstream-string for open_memstream overflow
This code path is exercised indirectly by some of the DNS stub
resolver tests, via their own use of xopen_memstream for constructing
strings describing result data. The relative lack of test suite
coverage became apparent when these tests starting failing after a
printf changes uncovered bug 28949.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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2022-03-08 10:36 [Bug stdio/28949] New: String streams do not handle flush-only overflow correctly fweimer at redhat dot com
2022-05-23 9:08 ` [Bug stdio/28949] " cvs-commit at gcc dot gnu.org
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