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aoutm68k_stat.c revision 1.21
      1 /*	$NetBSD: aoutm68k_stat.c,v 1.21 2007/12/08 18:35:53 dsl Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Steve C. Woodford.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: aoutm68k_stat.c,v 1.21 2007/12/08 18:35:53 dsl Exp $");
     41 
     42 #if defined(_KERNEL_OPT)
     43 #include "opt_compat_netbsd.h"
     44 #include "opt_compat_43.h"
     45 #endif
     46 
     47 #include <sys/param.h>
     48 #include <sys/systm.h>
     49 #include <sys/filedesc.h>
     50 #include <sys/mount.h>
     51 #include <sys/namei.h>
     52 #include <sys/proc.h>
     53 #include <sys/stat.h>
     54 #include <sys/vfs_syscalls.h>
     55 
     56 #include <sys/syscall.h>
     57 #include <sys/syscallargs.h>
     58 
     59 #include <compat/sys/stat.h>
     60 
     61 #include <compat/aoutm68k/aoutm68k_util.h>
     62 #include <compat/aoutm68k/aoutm68k_stat.h>
     63 #include <compat/aoutm68k/aoutm68k_syscall.h>
     64 #include <compat/aoutm68k/aoutm68k_syscallargs.h>
     65 
     66 #ifdef COMPAT_43
     67 static void aoutm68k_stat43_convert(struct stat *, struct aoutm68k_stat43 *);
     68 #endif
     69 #ifdef COMPAT_12
     70 static void aoutm68k_stat12_convert(struct stat *, struct aoutm68k_stat12 *);
     71 #endif
     72 static void aoutm68k_stat13_convert(struct stat *, struct aoutm68k_stat *);
     73 
     74 
     75 #ifdef COMPAT_43
     76 int
     77 aoutm68k_compat_43_sys_stat(struct lwp *l, void *v, register_t *retval)
     78 {
     79 	struct aoutm68k_compat_43_sys_stat_args *uap = v;
     80 	struct aoutm68k_stat43 ast;
     81 	struct stat sb;
     82 	int error;
     83 
     84 	error = do_sys_stat(l, SCARG(uap, path), FOLLOW, &sb);
     85 	if (error)
     86 		return error;
     87 
     88 	aoutm68k_stat43_convert(&sb, &ast);
     89 
     90 	return copyout(&ast, SCARG(uap, ub), sizeof(ast));
     91 }
     92 
     93 int
     94 aoutm68k_compat_43_sys_fstat(struct lwp *l, void *v, register_t *retval)
     95 {
     96 	struct aoutm68k_compat_43_sys_fstat_args *uap = v;
     97 	struct aoutm68k_stat43 ast;
     98 	struct stat sb;
     99 	int error;
    100 
    101 	error = do_sys_fstat(l, SCARG(uap, fd), &sb);
    102 	if (error != 0)
    103 		return error;
    104 
    105 	aoutm68k_stat43_convert(&sb, &ast);
    106 
    107 	return copyout(&ast, SCARG(uap, sb), sizeof(ast));
    108 }
    109 
    110 int
    111 aoutm68k_compat_43_sys_lstat(struct lwp *l, void *v, register_t *retval)
    112 {
    113 	struct aoutm68k_compat_43_sys_lstat_args *uap = v;
    114 	struct aoutm68k_stat43 ast;
    115 	struct stat sb;
    116 	int error;
    117 
    118 	error = do_sys_stat(l, SCARG(uap, path), NOFOLLOW, &sb);
    119 	if (error)
    120 		return error;
    121 
    122 	aoutm68k_stat43_convert(&sb, &ast);
    123 
    124 	return copyout(&ast, SCARG(uap, ub), sizeof(ast));
    125 }
    126 #endif /* COMPAT_43 */
    127 
    128 #ifdef COMPAT_12
    129 int
    130 aoutm68k_compat_12_sys_stat(struct lwp *l, void *v, register_t *retval)
    131 {
    132 	struct aoutm68k_compat_12_sys_stat_args *uap = v;
    133 	struct aoutm68k_stat12 ast;
    134 	struct stat sb;
    135 	int error;
    136 
    137 	error = do_sys_stat(l, SCARG(uap, path), FOLLOW, &sb);
    138 	if (error)
    139 		return error;
    140 
    141 	aoutm68k_stat12_convert(&sb, &ast);
    142 
    143 	return copyout(&ast, SCARG(uap, ub), sizeof(ast));
    144 }
    145 
    146 int
    147 aoutm68k_compat_12_sys_fstat(struct lwp *l, void *v, register_t *retval)
    148 {
    149 	struct aoutm68k_compat_12_sys_fstat_args *uap = v;
    150 	struct aoutm68k_stat12 ast;
    151 	struct stat sb;
    152 	int error;
    153 
    154 	error = do_sys_fstat(l, SCARG(uap, fd), &sb);
    155 	if (error != 0)
    156 		return error;
    157 
    158 	aoutm68k_stat12_convert(&sb, &ast);
    159 
    160 	return copyout(&ast, SCARG(uap, sb), sizeof(ast));
    161 }
    162 
    163 int
    164 aoutm68k_compat_12_sys_lstat(struct lwp *l, void *v, register_t *retval)
    165 {
    166 	struct aoutm68k_compat_12_sys_lstat_args *uap = v;
    167 	struct aoutm68k_stat12 ast;
    168 	struct stat sb;
    169 	int error;
    170 
    171 	error = do_sys_stat(l, SCARG(uap, path), NOFOLLOW, &sb);
    172 	if (error)
    173 		return error;
    174 
    175 	aoutm68k_stat12_convert(&sb, &ast);
    176 
    177 	return copyout(&ast, SCARG(uap, ub), sizeof(ast));
    178 }
    179 #endif /* COMPAT_12 */
    180 
    181 int
    182 aoutm68k_sys___stat13(struct lwp *l, void *v, register_t *retval)
    183 {
    184 	struct aoutm68k_sys___stat13_args *uap = v;
    185 	struct aoutm68k_stat ast;
    186 	struct stat sb;
    187 	int error;
    188 
    189 	error = do_sys_stat(l, SCARG(uap, path), FOLLOW, &sb);
    190 	if (error)
    191 		return error;
    192 
    193 	aoutm68k_stat13_convert(&sb, &ast);
    194 
    195 	return copyout(&ast, SCARG(uap, ub), sizeof(ast));
    196 }
    197 
    198 int
    199 aoutm68k_sys___fstat13(struct lwp *l, void *v, register_t *retval)
    200 {
    201 	struct aoutm68k_sys___fstat13_args *uap = v;
    202 	struct aoutm68k_stat ast;
    203 	struct stat sb;
    204 	int error;
    205 
    206 	error = do_sys_fstat(l, SCARG(uap, fd), &sb);
    207 	if (error != 0)
    208 		return error;
    209 
    210 	aoutm68k_stat13_convert(&sb, &ast);
    211 
    212 	return copyout(&ast, SCARG(uap, sb), sizeof(ast));
    213 
    214 }
    215 
    216 int
    217 aoutm68k_sys___lstat13(struct lwp *l, void *v, register_t *retval)
    218 {
    219 	struct aoutm68k_sys___lstat13_args *uap = v;
    220 	struct aoutm68k_stat ast;
    221 	struct stat sb;
    222 	int error;
    223 
    224 	error = do_sys_stat(l, SCARG(uap, path), NOFOLLOW, &sb);
    225 	if (error)
    226 		return error;
    227 
    228 	aoutm68k_stat13_convert(&sb, &ast);
    229 
    230 	return copyout(&ast, SCARG(uap, ub), sizeof(ast));
    231 }
    232 
    233 int
    234 aoutm68k_sys_fhstat(struct lwp *l, void *v, register_t *retval)
    235 {
    236 	struct aoutm68k_sys_fhstat_args *uap = v;
    237 	struct aoutm68k_stat ast;
    238 	struct stat sb;
    239 	int error;
    240 
    241 	error = do_fhstat(l, SCARG(uap, fhp), FHANDLE_SIZE_COMPAT, &sb);
    242 	if (error)
    243 		return error;
    244 
    245 	aoutm68k_stat13_convert(&sb, &ast);
    246 	return copyout(&sb, SCARG(uap, sb), sizeof(sb));
    247 }
    248 
    249 #ifdef COMPAT_43
    250 static void
    251 aoutm68k_stat43_convert(struct stat *st, struct aoutm68k_stat43 *ast)
    252 {
    253 
    254 	memset(ast, 0, sizeof(*ast));
    255 	ast->st_dev = st->st_dev;
    256 	ast->st_ino = st->st_ino;
    257 	ast->st_mode = st->st_mode;
    258 	ast->st_nlink = st->st_nlink;
    259 	ast->st_uid = st->st_uid;
    260 	ast->st_gid = st->st_gid;
    261 	ast->st_rdev = st->st_rdev;
    262 	if (st->st_size < (off_t)1 << 32)
    263 		ast->st_size = st->st_size;
    264 	else
    265 		ast->st_size = -2;
    266 	ast->st_atimespec.tv_sec = st->st_atimespec.tv_sec;
    267 	ast->st_atimespec.tv_nsec = st->st_atimespec.tv_nsec;
    268 	ast->st_mtimespec.tv_sec = st->st_mtimespec.tv_sec;
    269 	ast->st_mtimespec.tv_nsec = st->st_mtimespec.tv_nsec;
    270 	ast->st_ctimespec.tv_sec = st->st_ctimespec.tv_sec;
    271 	ast->st_ctimespec.tv_nsec = st->st_ctimespec.tv_nsec;
    272 	ast->st_blksize = st->st_blksize;
    273 	ast->st_blocks = st->st_blocks;
    274 	ast->st_flags = st->st_flags;
    275 	ast->st_gen = st->st_gen;
    276 }
    277 #endif /* COMPAT_43 */
    278 
    279 #ifdef COMPAT_12
    280 static void
    281 aoutm68k_stat12_convert(struct stat *st, struct aoutm68k_stat12 *ast)
    282 {
    283 
    284 	memset(ast, 0, sizeof(*ast));
    285 	ast->st_dev = st->st_dev;
    286 	ast->st_ino = st->st_ino;
    287 	ast->st_mode = st->st_mode;
    288 	ast->st_nlink = st->st_nlink;
    289 	ast->st_uid = st->st_uid;
    290 	ast->st_gid = st->st_gid;
    291 	ast->st_rdev = st->st_rdev;
    292 	ast->st_atimespec.tv_sec = st->st_atimespec.tv_sec;
    293 	ast->st_atimespec.tv_nsec = st->st_atimespec.tv_nsec;
    294 	ast->st_mtimespec.tv_sec = st->st_mtimespec.tv_sec;
    295 	ast->st_mtimespec.tv_nsec = st->st_mtimespec.tv_nsec;
    296 	ast->st_ctimespec.tv_sec = st->st_ctimespec.tv_sec;
    297 	ast->st_ctimespec.tv_nsec = st->st_ctimespec.tv_nsec;
    298 	if (st->st_size < (off_t)1 << 32)
    299 		ast->st_size = st->st_size;
    300 	else
    301 		ast->st_size = -2;
    302 	ast->st_blocks = st->st_blocks;
    303 	ast->st_blksize = st->st_blksize;
    304 	ast->st_flags = st->st_flags;
    305 	ast->st_gen = st->st_gen;
    306 }
    307 #endif /* COMPAT_12 */
    308 
    309 static void
    310 aoutm68k_stat13_convert(struct stat *st, struct aoutm68k_stat *ast)
    311 {
    312 
    313 	memset(ast, 0, sizeof(*ast));
    314 	ast->st_dev = st->st_dev;
    315 	ast->st_ino = st->st_ino;
    316 	ast->st_mode = st->st_mode;
    317 	ast->st_nlink = st->st_nlink;
    318 	ast->st_uid = st->st_uid;
    319 	ast->st_gid = st->st_gid;
    320 	ast->st_rdev = st->st_rdev;
    321 	ast->st_atimespec.tv_sec = st->st_atimespec.tv_sec;
    322 	ast->st_atimespec.tv_nsec = st->st_atimespec.tv_nsec;
    323 	ast->st_mtimespec.tv_sec = st->st_mtimespec.tv_sec;
    324 	ast->st_mtimespec.tv_nsec = st->st_mtimespec.tv_nsec;
    325 	ast->st_ctimespec.tv_sec = st->st_ctimespec.tv_sec;
    326 	ast->st_ctimespec.tv_nsec = st->st_ctimespec.tv_nsec;
    327 	if (st->st_size < (off_t)1 << 32)
    328 		ast->st_size = st->st_size;
    329 	else
    330 		ast->st_size = -2;
    331 	ast->st_blocks = st->st_blocks;
    332 	ast->st_blksize = st->st_blksize;
    333 	ast->st_flags = st->st_flags;
    334 	ast->st_gen = st->st_gen;
    335 	ast->st_qspare[0] = 0;
    336 	ast->st_qspare[1] = 0;
    337 }
    338