6d3b9b687d
* include/gnu/hurd.h (fd_read): Declare. * include/gnu/syscall.h (SYS__io_read): New value. * lib/gnu/_read.c: New file. * lib/gnu/fd-read.c: New file. * lib/gnu/io-read.c: New file. * build-aux/configure-lib.sh (libc_SOURCES): Add _read sources.
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gnu/hurd.h>
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#include <gnu/hurd-types.h>
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#include <gnu/syscall.h>
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#include <mach/mach-init.h>
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ssize_t
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_read (int filedes, void *buffer, size_t size)
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{
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mach_port_t p = fd_get (filedes);
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error_t e = fd_read (p, buffer, &size, -1);
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if (!e)
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return size;
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return -1;
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}
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