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88 lines
2.8 KiB
88 lines
2.8 KiB
/* |
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "defs.h" |
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#include DEF_MPERS_TYPE(struct_mmsghdr) |
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#include "msghdr.h" |
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typedef struct mmsghdr struct_mmsghdr; |
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#include MPERS_DEFS |
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/* |
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* On success, return the number of fetched bytes. |
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* On error, return 0; |
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* |
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* This function cannot use umove_or_printaddr because |
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* it is called by dumpio and therefore cannot print anything. |
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*/ |
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MPERS_PRINTER_DECL(int, fetch_struct_mmsghdr, |
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struct tcb *const tcp, const kernel_ulong_t addr, |
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void *const p) |
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{ |
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struct mmsghdr *p_native = p; |
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struct_mmsghdr v_compat; |
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if (sizeof(*p_native) == sizeof(v_compat)) |
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return umove(tcp, addr, p_native) ? 0 : sizeof(*p_native); |
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if (umove(tcp, addr, &v_compat)) |
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return 0; |
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p_native->msg_hdr.msg_name = (void *) (unsigned long) |
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v_compat.msg_hdr.msg_name; |
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p_native->msg_hdr.msg_namelen = |
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v_compat.msg_hdr.msg_namelen; |
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p_native->msg_hdr.msg_iov = (void *) (unsigned long) |
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v_compat.msg_hdr.msg_iov; |
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p_native->msg_hdr.msg_iovlen = |
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v_compat.msg_hdr.msg_iovlen; |
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p_native->msg_hdr.msg_control = (void *) (unsigned long) |
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v_compat.msg_hdr.msg_control; |
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p_native->msg_hdr.msg_controllen = |
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v_compat.msg_hdr.msg_controllen; |
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p_native->msg_hdr.msg_flags = |
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v_compat.msg_hdr.msg_flags; |
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p_native->msg_len = |
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v_compat.msg_len; |
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return sizeof(v_compat); |
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} |
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MPERS_PRINTER_DECL(unsigned int, sizeof_struct_mmsghdr, void) |
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{ |
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return sizeof(struct_mmsghdr); |
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}
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