lib/sys_uio.in.h

   1 /* Substitute for <sys/uio.h>.
   2    Copyright (C) 2011 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 Lesser 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 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, write to the Free Software Foundation,
  16    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  17
  18 # if __GNUC__ >= 3
  19 @PRAGMA_SYSTEM_HEADER@
  20 # endif
  21 @PRAGMA_COLUMNS@
  22
  23 #ifndef _@GUARD_PREFIX@_SYS_UIO_H
  24
  25 #if @HAVE_SYS_UIO_H@
  26
  27 /* On OpenBSD 4.4, <sys/uio.h> assumes prior inclusion of <sys/types.h>.  */
  28 # include <sys/types.h>
  29
  30 /* The include_next requires a split double-inclusion guard.  */
  31 # @INCLUDE_NEXT@ @NEXT_SYS_UIO_H@
  32
  33 #endif
  34
  35 #ifndef _@GUARD_PREFIX@_SYS_UIO_H
  36 #define _@GUARD_PREFIX@_SYS_UIO_H
  37
  38 #if !@HAVE_SYS_UIO_H@
  39 /* A platform that lacks <sys/uio.h>.  */
  40 /* Get 'ssize_t'.  */
  41 # include <sys/types.h>
  42
  43 # ifdef __cplusplus
  44 extern "C" {
  45 # endif
  46
  47 # if !GNULIB_defined_struct_iovec
  48 /* All known platforms that lack <sys/uio.h> also lack any declaration
  49    of struct iovec in any other header.  */
  50 struct iovec {
  51   void *iov_base;
  52   size_t iov_len;
  53 };
  54 #  define GNULIB_defined_struct_iovec 1
  55 # endif
  56
  57 # ifdef __cplusplus
  58 }
  59 # endif
  60
  61 #endif
  62
  63 #endif /* _@GUARD_PREFIX@_SYS_UIO_H */
  64 #endif /* _@GUARD_PREFIX@_SYS_UIO_H */