dbus-sysdeps-util.c
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-sysdeps-util.c Tests for dbus-sysdeps.h API
*
* Copyright 2002-2008 Red Hat, Inc.
* Copyright 2003 CodeFactory AB
* Copyright 2006 Ralf Habacker
* Copyright 2006 Sjoerd Simons
* Copyright 2016-2018 Collabora Ltd.
*
* SPDX-License-Identifier: AFL-2.1 OR GPL-2.0-or-later
*
* Licensed under the Academic Free License version 2.1
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <config.h>
#include "dbus-sysdeps.h"
#include "dbus-internals.h"
#include "dbus-string.h"
#include <stdlib.h>
#ifdef DBUS_WIN
/* do nothing, it's in stdlib.h */
#elif (defined __APPLE__)
# include <crt_externs.h>
# define environ (*_NSGetEnviron())
#elif HAVE_DECL_ENVIRON && defined(HAVE_UNISTD_H)
# include <unistd.h>
#else
extern char **environ;
#endif
char **
_dbus_get_environment (void)
{
int i, length;
char **environment;
_dbus_assert (environ != NULL);
for (length = 0; environ[length] != NULL; length++);
/* Add one for NULL */
length++;
environment = dbus_new0 (char *, length);
if (environment == NULL)
return NULL;
for (i = 0; environ[i] != NULL; i++)
{
environment[i] = _dbus_strdup (environ[i]);
if (environment[i] == NULL)
break;
}
if (environ[i] != NULL)
{
dbus_free_string_array (environment);
environment = NULL;
}
return environment;
}
_dbus_assert
#define _dbus_assert(condition)
Aborts with an error message if the condition is false.
Definition dbus-internals.h:153
_dbus_strdup
char * _dbus_strdup(const char *str)
Duplicates a string.
Definition dbus-internals.c:621
NULL
#define NULL
A null pointer, defined appropriately for C or C++.
Definition dbus-macros.h:51
dbus_new0
#define dbus_new0(type, count)
Safe macro for using dbus_malloc0().
Definition dbus-memory.h:60
dbus_free_string_array
void dbus_free_string_array(char **str_array)
Frees a NULL-terminated array of strings.
Definition dbus-memory.c:758
_dbus_get_environment
char ** _dbus_get_environment(void)
Gets a NULL-terminated list of key=value pairs from the environment.
Definition dbus-sysdeps-util.c:55