github.com/freetocompute/snapd@v0.0.0-20210618182524-2fb355d72fd9/cmd/libsnap-confine-private/secure-getenv.h (about) 1 /* 2 * Copyright (C) 2016 Canonical Ltd 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 3 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 * 16 */ 17 #ifndef SNAP_CONFINE_SECURE_GETENV_H 18 #define SNAP_CONFINE_SECURE_GETENV_H 19 20 #ifdef HAVE_CONFIG_H 21 #include "config.h" 22 #endif 23 24 #ifndef HAVE_SECURE_GETENV 25 /** 26 * Secure version of getenv() 27 * 28 * This version returns NULL if the process is running within a secure context. 29 * This is exactly the same as the GNU extension to the standard library. It is 30 * only used when glibc is not available. 31 **/ 32 char *secure_getenv(const char *name) 33 __attribute__((nonnull(1), warn_unused_result)); 34 #endif // ! HAVE_SECURE_GETENV 35 36 #endif