lib/sys_ioctl.in.h

   1 /* Substitute for and wrapper around <sys/ioctl.h>.
   2    Copyright (C) 2008-2024 Free Software Foundation, Inc.
   3
   4    This file is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as
   6    published by the Free Software Foundation; either version 2.1 of the
   7    License, or (at your option) any later version.
   8
   9    This file is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 #ifndef _@GUARD_PREFIX@_SYS_IOCTL_H
  18
  19 #if __GNUC__ >= 3
  20 @PRAGMA_SYSTEM_HEADER@
  21 #endif
  22 @PRAGMA_COLUMNS@
  23
  24 /* The include_next requires a split double-inclusion guard.  */
  25 #if @HAVE_SYS_IOCTL_H@
  26 # @INCLUDE_NEXT@ @NEXT_SYS_IOCTL_H@
  27 #endif
  28
  29 #ifndef _@GUARD_PREFIX@_SYS_IOCTL_H
  30 #define _@GUARD_PREFIX@_SYS_IOCTL_H
  31
  32 /* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
  33 #if !_GL_CONFIG_H_INCLUDED
  34  #error "Please include config.h first."
  35 #endif
  36
  37 /* AIX 5.1 and Solaris 10 declare ioctl() in <unistd.h> and in <stropts.h>,
  38    but not in <sys/ioctl.h>.
  39    Haiku declares ioctl() in <unistd.h>, but not in <sys/ioctl.h>.
  40    But avoid namespace pollution on glibc systems.  */
  41 #ifndef __GLIBC__
  42 # include <unistd.h>
  43 #endif
  44
  45 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
  46
  47 /* The definition of _GL_WARN_ON_USE is copied here.  */
  48
  49
  50 /* Declare overridden functions.  */
  51
  52 #if @GNULIB_IOCTL@
  53 # if @REPLACE_IOCTL@
  54 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
  55 #   undef ioctl
  56 #   define ioctl rpl_ioctl
  57 #  endif
  58 _GL_FUNCDECL_RPL (ioctl, int,
  59                   (int fd, int request, ... /* {void *,char *} arg */));
  60 _GL_CXXALIAS_RPL (ioctl, int,
  61                   (int fd, int request, ... /* {void *,char *} arg */));
  62 # else
  63 #  if @SYS_IOCTL_H_HAVE_WINSOCK2_H@ || 1
  64 _GL_FUNCDECL_SYS (ioctl, int,
  65                   (int fd, int request, ... /* {void *,char *} arg */));
  66 #  endif
  67 _GL_CXXALIAS_SYS (ioctl, int,
  68                   (int fd, int request, ... /* {void *,char *} arg */));
  69 # endif
  70 # if __GLIBC__ >= 2
  71 _GL_CXXALIASWARN (ioctl);
  72 # endif
  73 #elif @SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
  74 # undef ioctl
  75 # define ioctl ioctl_used_without_requesting_gnulib_module_ioctl
  76 #elif defined GNULIB_POSIXCHECK
  77 # undef ioctl
  78 # if HAVE_RAW_DECL_IOCTL
  79 _GL_WARN_ON_USE (ioctl, "ioctl does not portably work on sockets - "
  80                  "use gnulib module ioctl for portability");
  81 # endif
  82 #endif
  83
  84
  85 #endif /* _@GUARD_PREFIX@_SYS_IOCTL_H */
  86 #endif /* _@GUARD_PREFIX@_SYS_IOCTL_H */