posix/execveat.c

   1 /* Execute program relative to a directory file descriptor.
   2    Copyright (C) 2021-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <stddef.h>
  21 #include <unistd.h>
  22
  23 /* Replace the current process, executing PATH relative to difrd with
  24    arguments argv and environment envp.
  25    argv and envp are terminated by NULL pointers.  */
  26 int
  27 __execveat (int dirfd, const char *path, char *const argv[], char *const envp[],
  28             int flags)
  29 {
  30   if (path == NULL || argv == NULL || envp == NULL)
  31     {
  32       __set_errno (EINVAL);
  33       return -1;
  34     }
  35
  36   __set_errno (ENOSYS);
  37   return -1;
  38 }
  39 stub_warning (execveat)
  40
  41 weak_alias (__execveat, execveat)