glibc/posix/execveat.c

/* Execute program relative to a directory file descriptor.
   Copyright (C) 2021-2022 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <stddef.h>
#include <unistd.h>

/* Replace the current process, executing PATH relative to difrd with
   arguments argv and environment envp.
   argv and envp are terminated by NULL pointers.  */
int
__execveat (int dirfd, const char *path, char *const argv[], char *const envp[],
            int flags)
{
  if (path == NULL || argv == NULL || envp == NULL)
    {
      __set_errno (EINVAL);
      return -1;
    }

  __set_errno (ENOSYS);
  return -1;
}
stub_warning (execveat)

weak_alias (__execveat, execveat)