FreeBSD/Linux Kernel Cross Reference
sys/compat/darwin/darwin_stat.c

     /*      $NetBSD: darwin_stat.c,v 1.14 2008/04/28 20:23:41 martin Exp $ */
     
     /*-
      * Copyright (c) 2003, 2008 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Emmanuel Dreyfus.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: darwin_stat.c,v 1.14 2008/04/28 20:23:41 martin Exp $");
    
    #include <sys/types.h>
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/filedesc.h>
    #include <sys/mount.h>
    #include <sys/namei.h>
    #include <sys/proc.h>
    #include <sys/stat.h>
    #include <sys/syscallargs.h>
    #include <sys/vfs_syscalls.h>
    
    #include <compat/sys/signal.h>
    #include <compat/sys/stat.h>
    
    #include <compat/common/compat_util.h>
    
    #include <compat/mach/mach_types.h>
    #include <compat/mach/mach_vm.h>
    
    #include <compat/darwin/darwin_audit.h>
    #include <compat/darwin/darwin_types.h>
    #include <compat/darwin/darwin_syscallargs.h>
    
    int
    darwin_sys_stat(struct lwp *l, const struct darwin_sys_stat_args *uap, register_t *retval)
    {
            /* {
                    syscallarg(char *) path;
                    syscallarg(struct stat12 *) ub;
            } */
            struct stat12 sb12;
            struct stat sb;
            int error;
    
            error = do_sys_stat(SCARG(uap, path), FOLLOW, &sb);
            if (error != 0)
                    return error;
    
            compat_12_stat_conv(&sb, &sb12);
            sb12.st_dev = native_to_darwin_dev(sb12.st_dev);
            sb12.st_rdev = native_to_darwin_dev(sb12.st_rdev);
    
            return copyout(&sb12, SCARG(uap, ub), sizeof(sb12));
    }
    
    int
    darwin_sys_fstat(struct lwp *l, const struct darwin_sys_fstat_args *uap, register_t *retval)
    {
            /* {
                    syscallarg(int) fd;
                    syscallarg(struct stat12 *) sb;
            } */
            struct stat12 sb12;
            struct stat sb;
            int error;
    
            error = do_sys_fstat(SCARG(uap, fd), &sb);
            if (error != 0)
                    return error;
    
            compat_12_stat_conv(&sb, &sb12);
            sb12.st_dev = native_to_darwin_dev(sb12.st_dev);
            sb12.st_rdev = native_to_darwin_dev(sb12.st_rdev);
    
            return copyout(&sb12, SCARG(uap, sb), sizeof(sb12));
   }
   
   int
   darwin_sys_lstat(struct lwp *l, const struct darwin_sys_lstat_args *uap, register_t *retval)
   {
           /* {
                   syscallarg(char *) path;
                   syscallarg(struct stat12 *) ub;
           } */
           struct stat12 sb12;
           struct stat sb;
           int error;
   
           error = do_sys_stat(SCARG(uap, path), NOFOLLOW, &sb);
           if (error != 0)
                   return error;
   
           compat_12_stat_conv(&sb, &sb12);
           sb12.st_dev = native_to_darwin_dev(sb12.st_dev);
           sb12.st_rdev = native_to_darwin_dev(sb12.st_rdev);
   
           return copyout(&sb12, SCARG(uap, ub), sizeof(sb12));
   }
   
   int
   darwin_sys_mknod(struct lwp *l, const struct darwin_sys_mknod_args *uap, register_t *retval)
   {
           /* {
                   syscallarg(char) path;
                   syscallarg(mode_t) mode;
                   syscallarg(dev_t) dev:
           } */
           struct sys_mknod_args cup;
   
           SCARG(&cup, path) = SCARG(uap, path);
           SCARG(&cup, mode) = SCARG(uap, mode);
           SCARG(&cup, dev) = darwin_to_native_dev(SCARG(uap, dev));
   
           return sys_mknod(l, &cup, retval);
   }

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