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