1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2002-2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate * 26*7c478bd9Sstevel@tonic-gate * "buffered" i/o functions for the standalone environment. (ugh). 27*7c478bd9Sstevel@tonic-gate */ 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 30*7c478bd9Sstevel@tonic-gate 31*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 32*7c478bd9Sstevel@tonic-gate #include <sys/promif.h> 33*7c478bd9Sstevel@tonic-gate #include <sys/varargs.h> 34*7c478bd9Sstevel@tonic-gate #include <sys/bootvfs.h> 35*7c478bd9Sstevel@tonic-gate #include <sys/salib.h> 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate enum { 38*7c478bd9Sstevel@tonic-gate F_OPEN = 0x01, 39*7c478bd9Sstevel@tonic-gate F_ERROR = 0x02, 40*7c478bd9Sstevel@tonic-gate F_SEEKABLE = 0x04 41*7c478bd9Sstevel@tonic-gate }; 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate FILE __iob[_NFILE] = { 44*7c478bd9Sstevel@tonic-gate { F_OPEN, 0, 0, 0, "stdin" }, 45*7c478bd9Sstevel@tonic-gate { F_OPEN, 1, 0, 0, "stdout" }, 46*7c478bd9Sstevel@tonic-gate { F_OPEN, 2, 0, 0, "stderr" } 47*7c478bd9Sstevel@tonic-gate }; 48*7c478bd9Sstevel@tonic-gate 49*7c478bd9Sstevel@tonic-gate static boolean_t 50*7c478bd9Sstevel@tonic-gate fcheck(FILE *stream, int flags) 51*7c478bd9Sstevel@tonic-gate { 52*7c478bd9Sstevel@tonic-gate errno = 0; 53*7c478bd9Sstevel@tonic-gate if ((stream->_flag & flags) != flags) { 54*7c478bd9Sstevel@tonic-gate errno = EBADF; 55*7c478bd9Sstevel@tonic-gate return (B_FALSE); 56*7c478bd9Sstevel@tonic-gate } 57*7c478bd9Sstevel@tonic-gate return (B_TRUE); 58*7c478bd9Sstevel@tonic-gate } 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate int 61*7c478bd9Sstevel@tonic-gate fclose(FILE *stream) 62*7c478bd9Sstevel@tonic-gate { 63*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 64*7c478bd9Sstevel@tonic-gate return (EOF); 65*7c478bd9Sstevel@tonic-gate 66*7c478bd9Sstevel@tonic-gate (void) close(stream->_file); 67*7c478bd9Sstevel@tonic-gate stream->_flag = 0; 68*7c478bd9Sstevel@tonic-gate stream->_file = -1; 69*7c478bd9Sstevel@tonic-gate stream->_name[0] = '\0'; 70*7c478bd9Sstevel@tonic-gate return (0); 71*7c478bd9Sstevel@tonic-gate } 72*7c478bd9Sstevel@tonic-gate 73*7c478bd9Sstevel@tonic-gate int 74*7c478bd9Sstevel@tonic-gate feof(FILE *stream) 75*7c478bd9Sstevel@tonic-gate { 76*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 77*7c478bd9Sstevel@tonic-gate return (0); 78*7c478bd9Sstevel@tonic-gate 79*7c478bd9Sstevel@tonic-gate return (stream->_len == stream->_offset); 80*7c478bd9Sstevel@tonic-gate } 81*7c478bd9Sstevel@tonic-gate 82*7c478bd9Sstevel@tonic-gate int 83*7c478bd9Sstevel@tonic-gate ferror(FILE *stream) 84*7c478bd9Sstevel@tonic-gate { 85*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 86*7c478bd9Sstevel@tonic-gate return (0); 87*7c478bd9Sstevel@tonic-gate 88*7c478bd9Sstevel@tonic-gate return ((stream->_flag & F_ERROR) != 0); 89*7c478bd9Sstevel@tonic-gate } 90*7c478bd9Sstevel@tonic-gate 91*7c478bd9Sstevel@tonic-gate void 92*7c478bd9Sstevel@tonic-gate clearerr(FILE *stream) 93*7c478bd9Sstevel@tonic-gate { 94*7c478bd9Sstevel@tonic-gate stream->_flag &= ~F_ERROR; 95*7c478bd9Sstevel@tonic-gate } 96*7c478bd9Sstevel@tonic-gate 97*7c478bd9Sstevel@tonic-gate int 98*7c478bd9Sstevel@tonic-gate fflush(FILE *stream) 99*7c478bd9Sstevel@tonic-gate { 100*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 101*7c478bd9Sstevel@tonic-gate return (EOF); 102*7c478bd9Sstevel@tonic-gate 103*7c478bd9Sstevel@tonic-gate /* Currently, a nop */ 104*7c478bd9Sstevel@tonic-gate return (0); 105*7c478bd9Sstevel@tonic-gate } 106*7c478bd9Sstevel@tonic-gate 107*7c478bd9Sstevel@tonic-gate char * 108*7c478bd9Sstevel@tonic-gate fgets(char *s, int n, FILE *stream) 109*7c478bd9Sstevel@tonic-gate { 110*7c478bd9Sstevel@tonic-gate int bytes; 111*7c478bd9Sstevel@tonic-gate ssize_t cnt; 112*7c478bd9Sstevel@tonic-gate 113*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 114*7c478bd9Sstevel@tonic-gate return (NULL); 115*7c478bd9Sstevel@tonic-gate 116*7c478bd9Sstevel@tonic-gate for (bytes = 0; bytes < (n - 1); ++bytes) { 117*7c478bd9Sstevel@tonic-gate cnt = read(stream->_file, &s[bytes], 1); 118*7c478bd9Sstevel@tonic-gate if (cnt < 0) { 119*7c478bd9Sstevel@tonic-gate if (bytes != 0) { 120*7c478bd9Sstevel@tonic-gate s[bytes] = '\0'; 121*7c478bd9Sstevel@tonic-gate return (s); 122*7c478bd9Sstevel@tonic-gate } else { 123*7c478bd9Sstevel@tonic-gate stream->_flag |= F_ERROR; 124*7c478bd9Sstevel@tonic-gate return (NULL); 125*7c478bd9Sstevel@tonic-gate } 126*7c478bd9Sstevel@tonic-gate } else if (cnt == 0) { 127*7c478bd9Sstevel@tonic-gate /* EOF */ 128*7c478bd9Sstevel@tonic-gate if (bytes != 0) { 129*7c478bd9Sstevel@tonic-gate s[bytes] = '\0'; 130*7c478bd9Sstevel@tonic-gate return (s); 131*7c478bd9Sstevel@tonic-gate } else 132*7c478bd9Sstevel@tonic-gate return (NULL); 133*7c478bd9Sstevel@tonic-gate } else { 134*7c478bd9Sstevel@tonic-gate stream->_offset++; 135*7c478bd9Sstevel@tonic-gate if (s[bytes] == '\n') { 136*7c478bd9Sstevel@tonic-gate s[bytes + 1] = '\0'; 137*7c478bd9Sstevel@tonic-gate return (s); 138*7c478bd9Sstevel@tonic-gate } 139*7c478bd9Sstevel@tonic-gate } 140*7c478bd9Sstevel@tonic-gate } 141*7c478bd9Sstevel@tonic-gate s[bytes] = '\0'; 142*7c478bd9Sstevel@tonic-gate return (s); 143*7c478bd9Sstevel@tonic-gate } 144*7c478bd9Sstevel@tonic-gate 145*7c478bd9Sstevel@tonic-gate /* 146*7c478bd9Sstevel@tonic-gate * We currently only support read-only ("r" mode) opens and unbuffered I/O. 147*7c478bd9Sstevel@tonic-gate */ 148*7c478bd9Sstevel@tonic-gate FILE * 149*7c478bd9Sstevel@tonic-gate fopen(const char *filename, const char *mode) 150*7c478bd9Sstevel@tonic-gate { 151*7c478bd9Sstevel@tonic-gate FILE *stream; 152*7c478bd9Sstevel@tonic-gate const char *t; 153*7c478bd9Sstevel@tonic-gate int fd, i; 154*7c478bd9Sstevel@tonic-gate 155*7c478bd9Sstevel@tonic-gate errno = 0; 156*7c478bd9Sstevel@tonic-gate 157*7c478bd9Sstevel@tonic-gate /* 158*7c478bd9Sstevel@tonic-gate * Make sure we have a filesystem underneath us before even trying. 159*7c478bd9Sstevel@tonic-gate */ 160*7c478bd9Sstevel@tonic-gate if (get_default_fs() == NULL) 161*7c478bd9Sstevel@tonic-gate return (NULL); 162*7c478bd9Sstevel@tonic-gate 163*7c478bd9Sstevel@tonic-gate for (t = mode; t != NULL && *t != '\0'; t++) { 164*7c478bd9Sstevel@tonic-gate switch (*t) { 165*7c478bd9Sstevel@tonic-gate case 'b': 166*7c478bd9Sstevel@tonic-gate /* We ignore this a'la ISO C standard conformance */ 167*7c478bd9Sstevel@tonic-gate break; 168*7c478bd9Sstevel@tonic-gate case 'r': 169*7c478bd9Sstevel@tonic-gate /* We ignore this because we always open for reading */ 170*7c478bd9Sstevel@tonic-gate break; 171*7c478bd9Sstevel@tonic-gate 172*7c478bd9Sstevel@tonic-gate case 'a': 173*7c478bd9Sstevel@tonic-gate case 'w': 174*7c478bd9Sstevel@tonic-gate case '+': 175*7c478bd9Sstevel@tonic-gate errno = EROFS; 176*7c478bd9Sstevel@tonic-gate return (NULL); 177*7c478bd9Sstevel@tonic-gate 178*7c478bd9Sstevel@tonic-gate default: 179*7c478bd9Sstevel@tonic-gate errno = EINVAL; 180*7c478bd9Sstevel@tonic-gate return (NULL); 181*7c478bd9Sstevel@tonic-gate } 182*7c478bd9Sstevel@tonic-gate } 183*7c478bd9Sstevel@tonic-gate 184*7c478bd9Sstevel@tonic-gate for (i = 0; i < _NFILE; i++) { 185*7c478bd9Sstevel@tonic-gate stream = &__iob[i]; 186*7c478bd9Sstevel@tonic-gate if ((stream->_flag & F_OPEN) == 0) { 187*7c478bd9Sstevel@tonic-gate fd = open(filename, O_RDONLY); 188*7c478bd9Sstevel@tonic-gate if (fd < 0) 189*7c478bd9Sstevel@tonic-gate return (NULL); 190*7c478bd9Sstevel@tonic-gate 191*7c478bd9Sstevel@tonic-gate stream->_file = fd; 192*7c478bd9Sstevel@tonic-gate stream->_flag |= F_OPEN; 193*7c478bd9Sstevel@tonic-gate (void) strlcpy(stream->_name, filename, 194*7c478bd9Sstevel@tonic-gate sizeof (stream->_name)); 195*7c478bd9Sstevel@tonic-gate return (stream); 196*7c478bd9Sstevel@tonic-gate } 197*7c478bd9Sstevel@tonic-gate } 198*7c478bd9Sstevel@tonic-gate 199*7c478bd9Sstevel@tonic-gate errno = EMFILE; 200*7c478bd9Sstevel@tonic-gate return (NULL); 201*7c478bd9Sstevel@tonic-gate } 202*7c478bd9Sstevel@tonic-gate 203*7c478bd9Sstevel@tonic-gate /* PRINTFLIKE1 */ 204*7c478bd9Sstevel@tonic-gate void 205*7c478bd9Sstevel@tonic-gate printf(const char *fmt, ...) 206*7c478bd9Sstevel@tonic-gate { 207*7c478bd9Sstevel@tonic-gate va_list adx; 208*7c478bd9Sstevel@tonic-gate 209*7c478bd9Sstevel@tonic-gate va_start(adx, fmt); 210*7c478bd9Sstevel@tonic-gate prom_vprintf(fmt, adx); 211*7c478bd9Sstevel@tonic-gate va_end(adx); 212*7c478bd9Sstevel@tonic-gate } 213*7c478bd9Sstevel@tonic-gate 214*7c478bd9Sstevel@tonic-gate /* 215*7c478bd9Sstevel@tonic-gate * Only writing to stderr or stdout is permitted. 216*7c478bd9Sstevel@tonic-gate */ 217*7c478bd9Sstevel@tonic-gate /* PRINTFLIKE2 */ 218*7c478bd9Sstevel@tonic-gate int 219*7c478bd9Sstevel@tonic-gate fprintf(FILE *stream, const char *format, ...) 220*7c478bd9Sstevel@tonic-gate { 221*7c478bd9Sstevel@tonic-gate int nwritten; 222*7c478bd9Sstevel@tonic-gate va_list va; 223*7c478bd9Sstevel@tonic-gate 224*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 225*7c478bd9Sstevel@tonic-gate return (-1); 226*7c478bd9Sstevel@tonic-gate 227*7c478bd9Sstevel@tonic-gate /* 228*7c478bd9Sstevel@tonic-gate * Since fopen() doesn't return writable streams, the only valid 229*7c478bd9Sstevel@tonic-gate * writable streams are stdout and stderr. 230*7c478bd9Sstevel@tonic-gate */ 231*7c478bd9Sstevel@tonic-gate if (stream != stdout && stream != stderr) { 232*7c478bd9Sstevel@tonic-gate errno = EBADF; 233*7c478bd9Sstevel@tonic-gate return (-1); 234*7c478bd9Sstevel@tonic-gate } 235*7c478bd9Sstevel@tonic-gate 236*7c478bd9Sstevel@tonic-gate va_start(va, format); 237*7c478bd9Sstevel@tonic-gate printf(format, va); 238*7c478bd9Sstevel@tonic-gate va_end(va); 239*7c478bd9Sstevel@tonic-gate 240*7c478bd9Sstevel@tonic-gate va_start(va, format); 241*7c478bd9Sstevel@tonic-gate nwritten = vsnprintf(NULL, 0, format, va); 242*7c478bd9Sstevel@tonic-gate va_end(va); 243*7c478bd9Sstevel@tonic-gate 244*7c478bd9Sstevel@tonic-gate return (nwritten); 245*7c478bd9Sstevel@tonic-gate } 246*7c478bd9Sstevel@tonic-gate 247*7c478bd9Sstevel@tonic-gate size_t 248*7c478bd9Sstevel@tonic-gate fread(void *ptr, size_t size, size_t nitems, FILE *stream) 249*7c478bd9Sstevel@tonic-gate { 250*7c478bd9Sstevel@tonic-gate size_t items; 251*7c478bd9Sstevel@tonic-gate ssize_t bytes, totbytes = 0; 252*7c478bd9Sstevel@tonic-gate char *strp = ptr; 253*7c478bd9Sstevel@tonic-gate 254*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 255*7c478bd9Sstevel@tonic-gate return (0); 256*7c478bd9Sstevel@tonic-gate 257*7c478bd9Sstevel@tonic-gate for (items = 0, bytes = 0; items < nitems; items++) { 258*7c478bd9Sstevel@tonic-gate bytes = read(stream->_file, &strp[totbytes], size); 259*7c478bd9Sstevel@tonic-gate if (bytes < 0) { 260*7c478bd9Sstevel@tonic-gate stream->_flag |= F_ERROR; 261*7c478bd9Sstevel@tonic-gate return (0); 262*7c478bd9Sstevel@tonic-gate } else if (bytes == 0) { 263*7c478bd9Sstevel@tonic-gate /* EOF */ 264*7c478bd9Sstevel@tonic-gate return ((totbytes == 0) ? 0 : totbytes / size); 265*7c478bd9Sstevel@tonic-gate } else if (bytes == size) { 266*7c478bd9Sstevel@tonic-gate stream->_offset += bytes; 267*7c478bd9Sstevel@tonic-gate totbytes += bytes; 268*7c478bd9Sstevel@tonic-gate } else { 269*7c478bd9Sstevel@tonic-gate (void) lseek(stream->_file, stream->_offset, SEEK_SET); 270*7c478bd9Sstevel@tonic-gate return (totbytes / size); 271*7c478bd9Sstevel@tonic-gate } 272*7c478bd9Sstevel@tonic-gate } 273*7c478bd9Sstevel@tonic-gate 274*7c478bd9Sstevel@tonic-gate return (totbytes / size); 275*7c478bd9Sstevel@tonic-gate } 276*7c478bd9Sstevel@tonic-gate 277*7c478bd9Sstevel@tonic-gate /* 278*7c478bd9Sstevel@tonic-gate * We don't grow files. 279*7c478bd9Sstevel@tonic-gate */ 280*7c478bd9Sstevel@tonic-gate int 281*7c478bd9Sstevel@tonic-gate fseek(FILE *stream, long offset, int whence) 282*7c478bd9Sstevel@tonic-gate { 283*7c478bd9Sstevel@tonic-gate off_t new_offset, result; 284*7c478bd9Sstevel@tonic-gate 285*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN | F_SEEKABLE)) 286*7c478bd9Sstevel@tonic-gate return (-1); 287*7c478bd9Sstevel@tonic-gate 288*7c478bd9Sstevel@tonic-gate switch (whence) { 289*7c478bd9Sstevel@tonic-gate case SEEK_SET: 290*7c478bd9Sstevel@tonic-gate new_offset = (off_t)offset; 291*7c478bd9Sstevel@tonic-gate break; 292*7c478bd9Sstevel@tonic-gate case SEEK_CUR: 293*7c478bd9Sstevel@tonic-gate new_offset = stream->_offset + (off_t)offset; 294*7c478bd9Sstevel@tonic-gate break; 295*7c478bd9Sstevel@tonic-gate case SEEK_END: 296*7c478bd9Sstevel@tonic-gate new_offset = (off_t)stream->_len + (off_t)offset; 297*7c478bd9Sstevel@tonic-gate break; 298*7c478bd9Sstevel@tonic-gate default: 299*7c478bd9Sstevel@tonic-gate errno = EINVAL; 300*7c478bd9Sstevel@tonic-gate return (-1); 301*7c478bd9Sstevel@tonic-gate } 302*7c478bd9Sstevel@tonic-gate 303*7c478bd9Sstevel@tonic-gate if (new_offset > (off_t)stream->_len) { 304*7c478bd9Sstevel@tonic-gate errno = EFBIG; 305*7c478bd9Sstevel@tonic-gate } else if (new_offset < 0L) { 306*7c478bd9Sstevel@tonic-gate errno = EOVERFLOW; 307*7c478bd9Sstevel@tonic-gate } else { 308*7c478bd9Sstevel@tonic-gate errno = 0; 309*7c478bd9Sstevel@tonic-gate } 310*7c478bd9Sstevel@tonic-gate 311*7c478bd9Sstevel@tonic-gate result = lseek(stream->_file, new_offset, SEEK_SET); 312*7c478bd9Sstevel@tonic-gate if (result >= 0) 313*7c478bd9Sstevel@tonic-gate stream->_offset = result; 314*7c478bd9Sstevel@tonic-gate else 315*7c478bd9Sstevel@tonic-gate stream->_flag |= F_ERROR; 316*7c478bd9Sstevel@tonic-gate 317*7c478bd9Sstevel@tonic-gate return (result); 318*7c478bd9Sstevel@tonic-gate } 319*7c478bd9Sstevel@tonic-gate 320*7c478bd9Sstevel@tonic-gate long 321*7c478bd9Sstevel@tonic-gate ftell(FILE *stream) 322*7c478bd9Sstevel@tonic-gate { 323*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN | F_SEEKABLE)) 324*7c478bd9Sstevel@tonic-gate return (0); 325*7c478bd9Sstevel@tonic-gate 326*7c478bd9Sstevel@tonic-gate return ((long)stream->_offset); 327*7c478bd9Sstevel@tonic-gate } 328*7c478bd9Sstevel@tonic-gate 329*7c478bd9Sstevel@tonic-gate size_t 330*7c478bd9Sstevel@tonic-gate fwrite(const void *ptr, size_t size, size_t nitems, FILE *stream) 331*7c478bd9Sstevel@tonic-gate { 332*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 333*7c478bd9Sstevel@tonic-gate return (0); 334*7c478bd9Sstevel@tonic-gate 335*7c478bd9Sstevel@tonic-gate /* 336*7c478bd9Sstevel@tonic-gate * Since fopen() doesn't return writable streams, the only valid 337*7c478bd9Sstevel@tonic-gate * writable streams are stdout and stderr. 338*7c478bd9Sstevel@tonic-gate */ 339*7c478bd9Sstevel@tonic-gate if (stream != stdout && stream != stderr) { 340*7c478bd9Sstevel@tonic-gate errno = EBADF; 341*7c478bd9Sstevel@tonic-gate return (0); 342*7c478bd9Sstevel@tonic-gate } 343*7c478bd9Sstevel@tonic-gate 344*7c478bd9Sstevel@tonic-gate prom_writestr(ptr, size * nitems); 345*7c478bd9Sstevel@tonic-gate return (nitems); 346*7c478bd9Sstevel@tonic-gate } 347*7c478bd9Sstevel@tonic-gate 348*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 349*7c478bd9Sstevel@tonic-gate int 350*7c478bd9Sstevel@tonic-gate setvbuf(FILE *stream, char *buf, int type, size_t size) 351*7c478bd9Sstevel@tonic-gate { 352*7c478bd9Sstevel@tonic-gate if (!fcheck(stream, F_OPEN)) 353*7c478bd9Sstevel@tonic-gate return (-1); 354*7c478bd9Sstevel@tonic-gate 355*7c478bd9Sstevel@tonic-gate /* Currently a nop, probably always will be. */ 356*7c478bd9Sstevel@tonic-gate return (0); 357*7c478bd9Sstevel@tonic-gate } 358