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/* * ProFTPD - FTP server daemon * Copyright (c) 2007-2016 The ProFTPD Project team * * 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, Suite 500, Boston, MA 02110-1335, USA. * * As a special exemption, The ProFTPD Project team and other respective * copyright holders give permission to link this program with OpenSSL, and * distribute the resulting executable, without including the source code for * OpenSSL in the source distribution. */ /* Environment handling */ #ifndef PR_ENV_H #define PR_ENV_H /* Returns the value of the environment variable named key, or NULL if no * such value is present. */ char *pr_env_get(pool *p, const char *key); /* Set an environment variable named key, with the given value. Returns * zero if successful, or -1 (with errno set appropriately) if there was * a problem. * * The memory of the strings in the environment are the responsibility of * the caller; if allocating those strings from a memory pool, please be * sure to use a pool of the proper lifetime. */ int pr_env_set(pool *p, const char *key, const char *value); /* Clear the environment of any variables named key. Returns zero if * successful, -1 otherwise (with errno set appropriately. */ int pr_env_unset(pool *p, const char *key); #endif /* PR_ENV_H */