sysdeps/unix/sysv/linux/execveat.c

   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 }