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2002-02-28  Ulrich Drepper  <drepper@redhat.com>

	* login/login.c (login): Always initialize ut_line field
	[PR libc/2991].
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Ulrich Drepper
2002-02-28 20:15:06 +00:00
parent 9321beea94
commit 1eb610d162
3 changed files with 15 additions and 2 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
2002-02-28 Ulrich Drepper <drepper@redhat.com>
* login/login.c (login): Always initialize ut_line field
[PR libc/2991].
2002-02-28 Jakub Jelinek <jakub@redhat.com> 2002-02-28 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/Makefile (sysdep_routines): Add * sysdeps/i386/Makefile (sysdep_routines): Add

7
login/login.c
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@@ -1,4 +1,4 @@
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. /* Copyright (C) 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */ 02111-1307 USA. */
#include <assert.h>
#include <errno.h> #include <errno.h>
#include <limits.h> #include <limits.h>
#include <string.h> #include <string.h>
@@ -133,6 +134,10 @@ login (const struct utmp *ut)
if (tty != _tty) if (tty != _tty)
free (tty); /* Free buffer malloced by tty_name. */ free (tty); /* Free buffer malloced by tty_name. */
} }
else
/* We provide a default value so that the output does not contain
an random bytes in this field. */
strncpy (copy.ut_line, "???", UT_LINESIZE);
/* Update the WTMP file. Here we have to add a new entry. */ /* Update the WTMP file. Here we have to add a new entry. */
updwtmp (_PATH_WTMP, &copy); updwtmp (_PATH_WTMP, &copy);

5
stdlib/Versions
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@@ -93,6 +93,9 @@ libc {
GLIBC_PRIVATE { GLIBC_PRIVATE {
# functions which have an additional interface since they are # functions which have an additional interface since they are
# are cancelable. # are cancelable.
__libc_system; __on_exit; __libc_system;
# functions used in other libraries.
__on_exit;
} }
} }