glib-2.0/glib/genviron.h

0001 /* GLIB - Library of useful routines for C programming
0002  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
0003  *
0004  * SPDX-License-Identifier: LGPL-2.1-or-later
0005  *
0006  * This library is free software; you can redistribute it and/or
0007  * modify it under the terms of the GNU Lesser General Public
0008  * License as published by the Free Software Foundation; either
0009  * version 2.1 of the License, or (at your option) any later version.
0010  *
0011  * This library is distributed in the hope that it will be useful,
0012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0014  * Lesser General Public License for more details.
0015  *
0016  * You should have received a copy of the GNU Lesser General Public
0017  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
0018  */
0019
0020 /*
0021  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
0022  * file for a list of people on the GLib Team.  See the ChangeLog
0023  * files for a list of changes.  These files are distributed with
0024  * GLib at ftp://ftp.gtk.org/pub/gtk/.
0025  */
0026
0027 #ifndef __G_ENVIRON_H__
0028 #define __G_ENVIRON_H__
0029
0030 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
0031 #error "Only <glib.h> can be included directly."
0032 #endif
0033
0034 #include <glib/gtypes.h>
0035
0036 G_BEGIN_DECLS
0037
0038 GLIB_AVAILABLE_IN_ALL
0039 const gchar * g_getenv           (const gchar  *variable);
0040 GLIB_AVAILABLE_IN_ALL
0041 gboolean      g_setenv           (const gchar  *variable,
0042                                   const gchar  *value,
0043                                   gboolean      overwrite);
0044 GLIB_AVAILABLE_IN_ALL
0045 void          g_unsetenv         (const gchar  *variable);
0046 GLIB_AVAILABLE_IN_ALL
0047 gchar **      g_listenv          (void);
0048
0049 GLIB_AVAILABLE_IN_ALL
0050 gchar **      g_get_environ      (void);
0051 GLIB_AVAILABLE_IN_ALL
0052 const gchar * g_environ_getenv   (gchar       **envp,
0053                                   const gchar  *variable);
0054 GLIB_AVAILABLE_IN_ALL
0055 gchar **      g_environ_setenv   (gchar       **envp,
0056                                   const gchar  *variable,
0057                                   const gchar  *value,
0058                                   gboolean      overwrite) G_GNUC_WARN_UNUSED_RESULT;
0059 GLIB_AVAILABLE_IN_ALL
0060 gchar **      g_environ_unsetenv (gchar       **envp,
0061                                   const gchar  *variable) G_GNUC_WARN_UNUSED_RESULT;
0062
0063 G_END_DECLS
0064
0065 #endif /* __G_ENVIRON_H__ */