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-rw-r--r--sysdeps/mach/hurd/recv.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/recv.c b/sysdeps/mach/hurd/recv.c
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+++ b/sysdeps/mach/hurd/recv.c
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+/* Copyright (C) 1994 Fremach_msg_type_number_t Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <hurd.h>
+#include <hurd/fd.h>
+#include <hurd/socket.h>
+#include <string.h>
+
+/* Read N bytes into BUF from socket FD.
+ Returns the number read or -1 for errors. */
+int
+DEFUN(recv, (fd, buf, n, flags),
+ int fd AND PTR buf AND size_t n AND int flags)
+{
+ error_t err;
+ mach_port_t addrport;
+ char *bufp = buf;
+ mach_msg_type_number_t nread = n;
+ mach_port_t *ports;
+ mach_msg_type_number_t nports;
+ char *cdata = NULL;
+ mach_msg_type_number_t clen = 0;
+
+ if (err = HURD_DPORT_USE (fd, __socket_recv (port, &addrport,
+ flags, &bufp, &nread,
+ &ports, &nports,
+ &cdata, &clen,
+ &flags,
+ n)))
+ return __hurd_dfail (fd, err);
+
+ __mach_port_deallocate (__mach_task_self (), addrport);
+ __vm_deallocate (__mach_task_self (), (vm_address_t) cdata, clen);
+
+ if (bufp != buf)
+ {
+ memcpy (buf, bufp, nread);
+ __vm_deallocate (__mach_task_self (), (vm_address_t) bufp, nread);
+ }
+
+ return nread;
+}