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From: "crrodriguez at opensuse dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug stdio/28099] New: fcloseall doesn't close anything
Date: Sun, 18 Jul 2021 16:10:37 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28099

            Bug ID: 28099
           Summary: fcloseall doesn't close anything
           Product: glibc
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: stdio
          Assignee: unassigned at sourceware dot org
          Reporter: crrodriguez at opensuse dot org
  Target Milestone: ---

Example to demonstrate de bug.

#define _GNU_SOURCE
#include <stdio.h>
#include <assert.h>

int main(void)
{
    FILE *fp, *fp1;
    fp =3D tmpfile();
    fp1 =3Dtmpfile();
    assert ( fcloseall() =3D=3D 0 );
    assert ( fputs("doh", fp) < 0 );
    assert ( fputs("bla", fp1) < 0 );
    return 0;
}

after the fcloseall() call all writes to the stream must fail..it really do=
es
not appear to be doing anything.

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