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Hurd: recvfrom(): take into account null address ports
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@ -1,7 +1,12 @@
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2012-05-10 Pino Toscano <toscano.pino@tiscali.it>
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* sysdeps/mach/hurd/recvfrom.c (__recvfrom): Check also for a null
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address port. Set ADDR_LEN to 0 when not filling ADDRARG.
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2012-05-10 Samuel Thibault <samuel.thibault@ens-lyon.org>
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* sysdeps/mach/hurd/readlinkat.c: New file, heavily derived from
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sysdeps/mach/hurd/readlink.c.
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* sysdeps/mach/hurd/readlinkat.c: New file, heavily derived from
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sysdeps/mach/hurd/readlink.c.
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* posix/tst-sysconf.c (posix_options): Only use
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_POSIX_PRIORITIZED_IO, _POSIX_PRIORITY_SCHEDULING, and
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@ -1,4 +1,4 @@
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/* Copyright (C) 1994, 1997, 1999, 2001, 2002 Free Software Foundation, Inc.
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/* Copyright (C) 1994-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -54,7 +54,7 @@ __recvfrom (fd, buf, n, flags, addrarg, addr_len)
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return __hurd_sockfail (fd, flags, err);
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/* Get address data for the returned address port if requested. */
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if (addr != NULL)
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if (addr != NULL && addrport != MACH_PORT_NULL)
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{
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char *buf = (char *) addr;
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mach_msg_type_number_t buflen = *addr_len;
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@ -88,6 +88,8 @@ __recvfrom (fd, buf, n, flags, addrarg, addr_len)
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if (buflen > 0)
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addr->sa_family = type;
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}
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else if (addr_len != NULL)
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*addr_len = 0;
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__mach_port_deallocate (__mach_task_self (), addrport);
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