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-rw-r--r--gl/sys_uio.in.h63
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diff --git a/gl/sys_uio.in.h b/gl/sys_uio.in.h
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+/* Substitute for <sys/uio.h>.
+ Copyright (C) 2011-2021 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program; if not, see <https://www.gnu.org/licenses/>. */
+
+# if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+# endif
+@PRAGMA_COLUMNS@
+
+#ifndef _@GUARD_PREFIX@_SYS_UIO_H
+
+#if @HAVE_SYS_UIO_H@
+
+/* On OpenBSD 4.4, <sys/uio.h> assumes prior inclusion of <sys/types.h>. */
+# include <sys/types.h>
+
+/* The include_next requires a split double-inclusion guard. */
+# @INCLUDE_NEXT@ @NEXT_SYS_UIO_H@
+
+#endif
+
+#ifndef _@GUARD_PREFIX@_SYS_UIO_H
+#define _@GUARD_PREFIX@_SYS_UIO_H
+
+#if !@HAVE_SYS_UIO_H@
+/* A platform that lacks <sys/uio.h>. */
+/* Get 'size_t' and 'ssize_t'. */
+# include <sys/types.h>
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+# if !GNULIB_defined_struct_iovec
+/* All known platforms that lack <sys/uio.h> also lack any declaration
+ of struct iovec in any other header. */
+struct iovec {
+ void *iov_base;
+ size_t iov_len;
+};
+# define GNULIB_defined_struct_iovec 1
+# endif
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif
+
+#endif /* _@GUARD_PREFIX@_SYS_UIO_H */
+#endif /* _@GUARD_PREFIX@_SYS_UIO_H */