-/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1998,2000,2001,2002,2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>
and Paul Janzen <pcj@primenet.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
-#include <assert.h>
#include <bits/libc-lock.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
+#include <stdlib.h>
#include <utmp.h>
#include "utmp-private.h"
-/* The various backends we have. */
-static int setutent_unknown (int reset);
+/* Functions defined here. */
+static int setutent_unknown (void);
static int getutent_r_unknown (struct utmp *buffer, struct utmp **result);
+static int getutid_r_unknown (const struct utmp *line, struct utmp *buffer,
+ struct utmp **result);
+static int getutline_r_unknown (const struct utmp *id, struct utmp *buffer,
+ struct utmp **result);
static struct utmp *pututline_unknown (const struct utmp *data);
static void endutent_unknown (void);
/* Initial Jump table. */
-struct utfuncs __libc_utmp_unknown_functions =
+const struct utfuncs __libc_utmp_unknown_functions =
{
setutent_unknown,
getutent_r_unknown,
- NULL,
- NULL,
+ getutid_r_unknown,
+ getutline_r_unknown,
pututline_unknown,
endutent_unknown,
NULL
};
/* Currently selected backend. */
-struct utfuncs *__libc_utmp_jump_table = &__libc_utmp_unknown_functions;
+const struct utfuncs *__libc_utmp_jump_table = &__libc_utmp_unknown_functions;
/* We need to protect the opening of the file. */
-__libc_lock_define_initialized (, __libc_utmp_lock)
+__libc_lock_define_initialized (, __libc_utmp_lock attribute_hidden)
-void
-__setutent (void)
+static int
+setutent_unknown (void)
{
- __libc_lock_lock (__libc_utmp_lock);
+ int result;
- (void) (*__libc_utmp_jump_table->setutent) (1);
+ result = (*__libc_utmp_file_functions.setutent) ();
+ if (result)
+ __libc_utmp_jump_table = &__libc_utmp_file_functions;
- __libc_lock_unlock (__libc_utmp_lock);
+ return result;
}
-weak_alias (__setutent, setutent)
-weak_alias (__setutent, setutxent)
static int
-setutent_unknown (int reset)
+getutent_r_unknown (struct utmp *buffer, struct utmp **result)
{
- /* We have to test whether it is still not decided which backend to use. */
- assert (__libc_utmp_jump_table == &__libc_utmp_unknown_functions);
-
- /* See whether utmpd is running. */
- if ((*__libc_utmp_daemon_functions.setutent) (reset))
- __libc_utmp_jump_table = &__libc_utmp_daemon_functions;
- else
- {
- /* Use the normal file, but if the current file is _PATH_UTMP or
- _PATH_WTMP and the corresponding extended file (with an extra
- 'x' added to the pathname) exists, we use the extended file,
- because the original file is in a different format. */
- if (strcmp (__libc_utmp_file_name, _PATH_UTMP) == 0
- && __access (_PATH_UTMP "x", F_OK) == 0)
- __utmpname (_PATH_UTMP "x");
- else if (strcmp (__libc_utmp_file_name, _PATH_WTMP) == 0
- && __access (_PATH_WTMP "x", F_OK) == 0)
- __utmpname (_PATH_WTMP "x");
-
- (*__libc_utmp_file_functions.setutent) (reset);
- __libc_utmp_jump_table = &__libc_utmp_file_functions;
- }
-
- return 0;
+ /* The backend was not yet initialized. */
+ if (setutent_unknown ())
+ return (*__libc_utmp_jump_table->getutent_r) (buffer, result);
+
+ /* Not available. */
+ *result = NULL;
+ return -1;
}
-void
-__endutent (void)
+static int
+getutid_r_unknown (const struct utmp *id, struct utmp *buffer,
+ struct utmp **result)
{
- __libc_lock_lock (__libc_utmp_lock);
+ /* The backend was not yet initialized. */
+ if (setutent_unknown ())
+ return (*__libc_utmp_jump_table->getutid_r) (id, buffer, result);
- (*__libc_utmp_jump_table->endutent) ();
+ /* Not available. */
+ *result = NULL;
+ return -1;
+}
- __libc_lock_unlock (__libc_utmp_lock);
+
+static int
+getutline_r_unknown (const struct utmp *line, struct utmp *buffer,
+ struct utmp **result)
+{
+ /* The backend was not yet initialized. */
+ if (setutent_unknown ())
+ return (*__libc_utmp_jump_table->getutline_r) (line, buffer, result);
+
+ /* Not available. */
+ *result = NULL;
+ return -1;
+}
+
+
+static struct utmp *
+pututline_unknown (const struct utmp *data)
+{
+ /* The backend was not yet initialized. */
+ if (setutent_unknown ())
+ return (*__libc_utmp_jump_table->pututline) (data);
+
+ /* Not available. */
+ return NULL;
}
-weak_alias (__endutent, endutent)
-weak_alias (__endutent, endutxent)
static void
endutent_unknown (void)
{
- /* Huh, how do we came here? Nothing to do. */
+ /* Nothing to do. */
}
+void
+__setutent (void)
+{
+ __libc_lock_lock (__libc_utmp_lock);
+
+ (*__libc_utmp_jump_table->setutent) ();
+
+ __libc_lock_unlock (__libc_utmp_lock);
+}
+weak_alias (__setutent, setutent)
+
+
int
__getutent_r (struct utmp *buffer, struct utmp **result)
{
weak_alias (__getutent_r, getutent_r)
-static int
-getutent_r_unknown (struct utmp *buffer, struct utmp **result)
-{
- /* It is not yet initialized. */
- setutent_unknown (0);
-
- return (*__libc_utmp_jump_table->getutent_r) (buffer, result);
-}
-
-
struct utmp *
__pututline (const struct utmp *data)
{
return buffer;
}
weak_alias (__pututline, pututline)
-weak_alias (__pututline, pututxline)
-
-static struct utmp *
-pututline_unknown (const struct utmp *data)
+
+void
+__endutent (void)
{
- /* It is not yet initialized. */
- setutent_unknown (0);
+ __libc_lock_lock (__libc_utmp_lock);
+
+ (*__libc_utmp_jump_table->endutent) ();
+ __libc_utmp_jump_table = &__libc_utmp_unknown_functions;
- return (*__libc_utmp_jump_table->pututline) (data);
+ __libc_lock_unlock (__libc_utmp_lock);
}
+weak_alias (__endutent, endutent)
projects / platform / upstream / glibc.git / blobdiff