X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..HEAD:/bsd/dev/i386/stubs.c?ds=inline diff --git a/bsd/dev/i386/stubs.c b/bsd/dev/i386/stubs.c index beb116a10..aeb74b11f 100644 --- a/bsd/dev/i386/stubs.c +++ b/bsd/dev/i386/stubs.c @@ -1,17 +1,20 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. - * * 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. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. - * + * 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, @@ -19,8 +22,8 @@ * 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_LICENSE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1997 by Apple Computer, Inc., all rights reserved @@ -30,19 +33,19 @@ #include #include -#include #include #include #include -#include +#include +#include +#include #include #include #include -#include #include +#include - -/* +/* * copy a null terminated string from the kernel address space into * the user address space. * - if the user is denied write access, return EFAULT. @@ -53,25 +56,29 @@ * the number of bytes copied is always returned in lencopied. */ int -copyoutstr(from, to, maxlen, lencopied) - void * from, * to; - size_t maxlen, *lencopied; +copyoutstr(const void *from, user_addr_t to, size_t maxlen, size_t *lencopied) { - int slen,len,error=0; + size_t slen; + size_t len; + int error = 0; slen = strlen(from) + 1; - - len = min(maxlen,slen); - if (copyout(from, to, len)) - error = EIO; + if (slen > maxlen) { + error = ENAMETOOLONG; + } + + len = min(maxlen, slen); + if (copyout(from, to, len)) { + error = EFAULT; + } *lencopied = len; return error; } -/* - * copy a null terminated string from one point to another in +/* + * 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 @@ -82,59 +89,29 @@ copyoutstr(from, to, maxlen, lencopied) */ /* from ppc/fault_copy.c -Titan1T4 VERSION */ int -copystr(vfrom, vto, maxlen, lencopied) - register void * vfrom, *vto; - size_t maxlen, *lencopied; +copystr(const void *vfrom, void *vto, size_t maxlen, size_t *lencopied) { - register unsigned l; - int error; -caddr_t from, 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; + size_t l; + char const *from = (char const *) vfrom; + char *to = (char *) 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; +int +copywithin(void *src, void *dst, size_t count) { - bcopy(src,dst,count); + bcopy(src, dst, count); return 0; } - -cpu_number() {return(0);} - -set_bsduthreadargs(thread_t th, void * pcb, void *ignored_arg) -{ -struct uthread * ut; - - ut = get_bsdthread_info(th); - ut->uu_ar0 = (int *)pcb; - - return(1); -} - -void * -get_bsduthreadarg(thread_t th) -{ -struct uthread *ut; - ut = get_bsdthread_info(th); - return((void *)(ut->uu_arg)); -} - -int * -get_bsduthreadrval(thread_act_t th) -{ -struct uthread *ut; - ut = get_bsdthread_info(th); - return(&ut->uu_rval[0]); -}