lib/sys_ioctl.in.h

   1 /* Substitute for and wrapper around <sys/ioctl.h>.
   2    Copyright (C) 2008-2020 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program 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 General Public License for more details.
  13
  14    You should have received a copy of the GNU 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 /* AIX 5.1 and Solaris 10 declare ioctl() in <unistd.h> and in <stropts.h>,
  33    but not in <sys/ioctl.h>.
  34    Haiku declares ioctl() in <unistd.h>, but not in <sys/ioctl.h>.
  35    But avoid namespace pollution on glibc systems.  */
  36 #ifndef __GLIBC__
  37 # include <unistd.h>
  38 #endif
  39
  40 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
  41
  42 /* The definition of _GL_WARN_ON_USE is copied here.  */
  43
  44
  45 /* Declare overridden functions.  */
  46
  47 #if @GNULIB_IOCTL@
  48 # if @REPLACE_IOCTL@
  49 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
  50 #   undef ioctl
  51 #   define ioctl rpl_ioctl
  52 #  endif
  53 _GL_FUNCDECL_RPL (ioctl, int,
  54                   (int fd, int request, ... /* {void *,char *} arg */));
  55 _GL_CXXALIAS_RPL (ioctl, int,
  56                   (int fd, int request, ... /* {void *,char *} arg */));
  57 # else
  58 #  if @SYS_IOCTL_H_HAVE_WINSOCK2_H@ || 1
  59 _GL_FUNCDECL_SYS (ioctl, int,
  60                   (int fd, int request, ... /* {void *,char *} arg */));
  61 #  endif
  62 _GL_CXXALIAS_SYS (ioctl, int,
  63                   (int fd, int request, ... /* {void *,char *} arg */));
  64 # endif
  65 _GL_CXXALIASWARN (ioctl);
  66 #elif @SYS_IOCTL_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS@
  67 # undef ioctl
  68 # define ioctl ioctl_used_without_requesting_gnulib_module_ioctl
  69 #elif defined GNULIB_POSIXCHECK
  70 # undef ioctl
  71 # if HAVE_RAW_DECL_IOCTL
  72 _GL_WARN_ON_USE (ioctl, "ioctl does not portably work on sockets - "
  73                  "use gnulib module ioctl for portability");
  74 # endif
  75 #endif
  76
  77
  78 #endif /* _@GUARD_PREFIX@_SYS_IOCTL_H */
  79 #endif /* _@GUARD_PREFIX@_SYS_IOCTL_H */