diff options
Diffstat (limited to 'login/getutid.c')
| -rw-r--r-- | login/getutid.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/login/getutid.c b/login/getutid.c index beeedb3749..3d022e405d 100644 --- a/login/getutid.c +++ b/login/getutid.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997, 1998, 2001 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1998, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -17,20 +17,25 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <stddef.h> /* For NULL. */ +#include <stdlib.h> #include <utmp.h> /* Local buffer to store the result. */ -static struct utmp buffer; - +libc_freeres_ptr (static struct utmp *buffer); struct utmp * __getutid (const struct utmp *id) { struct utmp *result; - if (__getutid_r (id, &buffer, &result) < 0) + if (buffer == NULL) + { + buffer = (struct utmp *) malloc (sizeof (struct utmp)); + if (buffer == NULL) + return NULL; + } + if (__getutid_r (id, buffer, &result) < 0) return NULL; return result; |