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      1 /* Substitute for <sys/uio.h>.
      2    Copyright (C) 2011-2022 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 # if __GNUC__ >= 3
     18 @PRAGMA_SYSTEM_HEADER@
     19 # endif
     20 @PRAGMA_COLUMNS@
     21 
     22 #ifndef _@GUARD_PREFIX@_SYS_UIO_H
     23 
     24 #if @HAVE_SYS_UIO_H@
     25 
     26 /* On OpenBSD 4.4, <sys/uio.h> assumes prior inclusion of <sys/types.h>.  */
     27 # include <sys/types.h>
     28 
     29 /* The include_next requires a split double-inclusion guard.  */
     30 # @INCLUDE_NEXT@ @NEXT_SYS_UIO_H@
     31 
     32 #endif
     33 
     34 #ifndef _@GUARD_PREFIX@_SYS_UIO_H
     35 #define _@GUARD_PREFIX@_SYS_UIO_H
     36 
     37 #if !@HAVE_SYS_UIO_H@
     38 /* A platform that lacks <sys/uio.h>.  */
     39 /* Get 'size_t' and 'ssize_t'.  */
     40 # include <sys/types.h>
     41 
     42 # ifdef __cplusplus
     43 extern "C" {
     44 # endif
     45 
     46 # if !GNULIB_defined_struct_iovec
     47 /* All known platforms that lack <sys/uio.h> also lack any declaration
     48    of struct iovec in any other header.  */
     49 struct iovec {
     50   void *iov_base;
     51   size_t iov_len;
     52 };
     53 #  define GNULIB_defined_struct_iovec 1
     54 # endif
     55 
     56 # ifdef __cplusplus
     57 }
     58 # endif
     59 
     60 #endif
     61 
     62 #endif /* _@GUARD_PREFIX@_SYS_UIO_H */
     63 #endif /* _@GUARD_PREFIX@_SYS_UIO_H */
     64