128 lines
4.1 KiB
C
128 lines
4.1 KiB
C
/* $NetBSD: linux32_dirent.c,v 1.5 2007/12/26 13:50:48 njoly Exp $ */
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/*-
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* Copyright (c) 2006 Emmanuel Dreyfus, 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Emmanuel Dreyfus
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* 4. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: linux32_dirent.c,v 1.5 2007/12/26 13:50:48 njoly Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/fstypes.h>
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#include <sys/signal.h>
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#include <sys/dirent.h>
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#include <sys/kernel.h>
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#include <sys/fcntl.h>
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#include <sys/select.h>
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#include <sys/proc.h>
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#include <sys/ucred.h>
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#include <sys/swap.h>
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#include <machine/types.h>
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#include <sys/syscallargs.h>
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#include <compat/netbsd32/netbsd32.h>
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#include <compat/netbsd32/netbsd32_conv.h>
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#include <compat/netbsd32/netbsd32_syscallargs.h>
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#include <compat/linux/common/linux_types.h>
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#include <compat/linux/common/linux_signal.h>
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#include <compat/linux/common/linux_machdep.h>
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#include <compat/linux/common/linux_misc.h>
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#include <compat/linux/common/linux_oldolduname.h>
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#include <compat/linux/linux_syscallargs.h>
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#include <compat/linux32/common/linux32_types.h>
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#include <compat/linux32/common/linux32_signal.h>
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#include <compat/linux32/common/linux32_machdep.h>
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#include <compat/linux32/common/linux32_sysctl.h>
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#include <compat/linux32/common/linux32_socketcall.h>
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#include <compat/linux32/linux32_syscallargs.h>
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int
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linux32_sys_getdents(struct lwp *l, const struct linux32_sys_getdents_args *uap, register_t *retval)
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{
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/* {
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syscallcarg(int) fd;
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syscallcarg(linux32_direntp_t) dent;
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syscallcarg(unsigned int) count;
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} */
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struct linux_sys_getdents_args ua;
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NETBSD32TO64_UAP(fd);
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NETBSD32TOP_UAP(dent, struct linux_dirent);
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NETBSD32TO64_UAP(count);
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return linux_sys_getdents(l, &ua, retval);
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}
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int
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linux32_sys_getdents64(struct lwp *l, const struct linux32_sys_getdents64_args *uap, register_t *retval)
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{
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/* {
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syscallcarg(int) fd;
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syscallcarg(linux32_dirent64p_t) dent;
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syscallcarg(unsigned int) count;
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} */
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struct linux_sys_getdents64_args ua;
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NETBSD32TO64_UAP(fd);
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NETBSD32TOP_UAP(dent, struct linux_dirent64);
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NETBSD32TO64_UAP(count);
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return linux_sys_getdents64(l, &ua, retval);
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}
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int
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linux32_sys_readdir(struct lwp *l, const struct linux32_sys_readdir_args *uap, register_t *retval)
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{
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/* {
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syscallarg(int) fd;
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syscallarg(struct linux32_direntp_t) dent;
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syscallarg(unsigned int) count;
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} */
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int error;
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struct linux32_sys_getdents_args da;
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SCARG(&da, fd) = SCARG(uap, fd);
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SCARG(&da, dent) = SCARG(uap, dent);
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SCARG(&da, count) = 1;
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error = linux32_sys_getdents(l, &da, retval);
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if (error == 0 && *retval > 1)
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*retval = 1;
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return error;
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}
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