/* * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1997 by Apple Computer, Inc., all rights reserved * Copyright (c) 1993 NeXT Computer, Inc. * */ #include <sys/param.h> #include <sys/systm.h> #include <sys/ioctl.h> #include <sys/tty.h> #include <sys/conf.h> #include <sys/proc.h> #include <sys/user.h> #include <kern/thread.h> #include <kern/task.h> #include <vm/vm_map.h> extern void *get_bsduthreadarg(thread_t); extern int *get_bsduthreadrval(thread_t); /* * copy a null terminated string from one point to another in * the kernel address space. * - no access checks are performed. * - if the end of string isn't found before * maxlen bytes are copied, return ENAMETOOLONG, * indicating an incomplete copy. * - otherwise, return 0, indicating success. * the number of bytes copied is always returned in lencopied. */ /* from ppc/fault_copy.c -Titan1T4 VERSION */ int copystr(const void *vfrom, void *vto, size_t maxlen, size_t *lencopied) { register unsigned l; const char *from; char *to; from = vfrom; to = vto; for (l = 0; l < maxlen; l++) if ((*to++ = *from++) == '\0') { if (lencopied) *lencopied = l + 1; return 0; } if (lencopied) *lencopied = maxlen; return ENAMETOOLONG; } int copywithin(src, dst, count) void * src, *dst; size_t count; { bcopy(src,dst,count); return 0; } void * get_bsduthreadarg(thread_t th) { struct uthread *ut; ut = get_bsdthread_info(th); return((void *)(ut->uu_arg)); } int * get_bsduthreadrval(thread_t th) { struct uthread *ut; ut = get_bsdthread_info(th); return(&ut->uu_rval[0]); }