1  /* Execute program relative to a directory file descriptor.
       2     Copyright (C) 2021-2023 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 <fd_to_filename.h>
      20  #include <sysdep.h>
      21  #include <unistd.h>
      22  
      23  /* Execute the file FD refers to, overlaying the running program image.
      24     ARGV and ENVP are passed to the new program, as for 'execve'.  */
      25  int
      26  execveat (int dirfd, const char *path, char *const argv[], char *const envp[],
      27            int flags)
      28  {
      29    /* Avoid implicit array coercion in syscall macros.  */
      30    return INLINE_SYSCALL_CALL (execveat, dirfd, path, &argv[0], &envp[0],
      31  			      flags);
      32  }