| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with this library; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #ifdef SDL_CDROM_BSDI |
| 25 | |
| 26 | /* |
| 27 | * Functions for system-level CD-ROM audio control for BSD/OS 4.x |
| 28 | * This started life out as a copy of the freebsd/SDL_cdrom.c file but was |
| 29 | * heavily modified. Works for standard (MMC) SCSI and ATAPI CDrom drives. |
| 30 | * |
| 31 | * Steven Schultz - sms@to.gd-es.com |
| 32 | */ |
| 33 | |
| 34 | #include <sys/types.h> |
| 35 | #include <sys/stat.h> |
| 36 | #include <fcntl.h> |
| 37 | #include <err.h> |
| 38 | #include <unistd.h> |
| 39 | #include <sys/ioctl.h> |
| 40 | #include </sys/dev/scsi/scsi.h> |
| 41 | #include </sys/dev/scsi/scsi_ioctl.h> |
| 42 | |
| 43 | #include "SDL_cdrom.h" |
| 44 | #include "../SDL_syscdrom.h" |
| 45 | |
| 46 | /* |
| 47 | * The msf_to_frame and frame_to_msf were yanked from libcdrom and inlined |
| 48 | * here so that -lcdrom doesn't have to be dragged in for something so simple. |
| 49 | */ |
| 50 | |
| 51 | #define FRAMES_PER_SECOND 75 |
| 52 | #define FRAMES_PER_MINUTE (FRAMES_PER_SECOND * 60) |
| 53 | |
| 54 | int |
| 55 | msf_to_frame(int minute, int second, int frame) |
| 56 | { |
| 57 | return(minute * FRAMES_PER_MINUTE + second * FRAMES_PER_SECOND + frame); |
| 58 | } |
| 59 | |
| 60 | void |
| 61 | frame_to_msf(int frame, int *minp, int *secp, int *framep) |
| 62 | { |
| 63 | *minp = frame / FRAMES_PER_MINUTE; |
| 64 | *secp = (frame % FRAMES_PER_MINUTE) / FRAMES_PER_SECOND; |
| 65 | *framep = frame % FRAMES_PER_SECOND; |
| 66 | } |
| 67 | |
| 68 | /* The maximum number of CD-ROM drives we'll detect */ |
| 69 | #define MAX_DRIVES 16 |
| 70 | |
| 71 | /* A list of available CD-ROM drives */ |
| 72 | static char *SDL_cdlist[MAX_DRIVES]; |
| 73 | static dev_t SDL_cdmode[MAX_DRIVES]; |
| 74 | |
| 75 | /* The system-dependent CD control functions */ |
| 76 | static const char *SDL_SYS_CDName(int drive); |
| 77 | static int SDL_SYS_CDOpen(int drive); |
| 78 | static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); |
| 79 | static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); |
| 80 | static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); |
| 81 | static int SDL_SYS_CDPause(SDL_CD *cdrom); |
| 82 | static int SDL_SYS_CDResume(SDL_CD *cdrom); |
| 83 | static int SDL_SYS_CDStop(SDL_CD *cdrom); |
| 84 | static int SDL_SYS_CDEject(SDL_CD *cdrom); |
| 85 | static void SDL_SYS_CDClose(SDL_CD *cdrom); |
| 86 | |
| 87 | typedef struct scsi_cdb cdb_t; |
| 88 | |
| 89 | static int scsi_cmd(int fd, |
| 90 | struct scsi_cdb *cdb, |
| 91 | int cdblen, |
| 92 | int rw, |
| 93 | caddr_t data, |
| 94 | int datalen, |
| 95 | struct scsi_user_cdb *sus) |
| 96 | { |
| 97 | int scsistatus; |
| 98 | unsigned char *cp; |
| 99 | struct scsi_user_cdb suc; |
| 100 | |
| 101 | /* safety checks */ |
| 102 | if (!cdb) return(-1); |
| 103 | if (rw != SUC_READ && rw != SUC_WRITE) return(-1); |
| 104 | |
| 105 | suc.suc_flags = rw; |
| 106 | suc.suc_cdblen = cdblen; |
| 107 | bcopy(cdb, suc.suc_cdb, cdblen); |
| 108 | suc.suc_datalen = datalen; |
| 109 | suc.suc_data = data; |
| 110 | suc.suc_timeout = 10; /* 10 secs max for TUR or SENSE */ |
| 111 | if (ioctl(fd, SCSIRAWCDB, &suc) == -1) |
| 112 | return(-11); |
| 113 | scsistatus = suc.suc_sus.sus_status; |
| 114 | cp = suc.suc_sus.sus_sense; |
| 115 | |
| 116 | /* |
| 117 | * If a place to copy the sense data back to has been provided then the |
| 118 | * caller is responsible for checking the errors and printing any information |
| 119 | * out if the status was not successful. |
| 120 | */ |
| 121 | if (scsistatus != 0 && !sus) |
| 122 | { |
| 123 | fprintf(stderr,"scsistatus = %x cmd = %x\n", |
| 124 | scsistatus, cdb[0]); |
| 125 | fprintf(stderr, "sense %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x\n", |
| 126 | cp[0], cp[1], cp[2], cp[3], cp[4], cp[5], |
| 127 | cp[6], cp[7], cp[8], cp[9], cp[10], cp[11], |
| 128 | cp[12], cp[13], cp[14], cp[15]); |
| 129 | return(1); |
| 130 | } |
| 131 | if (sus) |
| 132 | bcopy(&suc, sus, sizeof (struct scsi_user_cdb)); |
| 133 | if (scsistatus) |
| 134 | return(1); /* Return non-zero for unsuccessful status */ |
| 135 | return(0); |
| 136 | } |
| 137 | |
| 138 | /* request vendor brand and model */ |
| 139 | unsigned char *Inquiry(int fd) |
| 140 | { |
| 141 | static struct scsi_cdb6 cdb = |
| 142 | { |
| 143 | 0x12, |
| 144 | 0, 0, 0, |
| 145 | 56, |
| 146 | 0 |
| 147 | }; |
| 148 | static unsigned char Inqbuffer[56]; |
| 149 | |
| 150 | if (scsi_cmd(fd, (cdb_t *)&cdb, 6, SUC_READ, Inqbuffer, |
| 151 | sizeof(Inqbuffer), 0)) |
| 152 | return("\377"); |
| 153 | return(Inqbuffer); |
| 154 | } |
| 155 | |
| 156 | #define ADD_SENSECODE 12 |
| 157 | #define ADD_SC_QUALIFIER 13 |
| 158 | |
| 159 | int TestForMedium(int fd) |
| 160 | { |
| 161 | int sts, asc, ascq; |
| 162 | struct scsi_user_cdb sus; |
| 163 | static struct scsi_cdb6 cdb = |
| 164 | { |
| 165 | CMD_TEST_UNIT_READY, /* command */ |
| 166 | 0, /* reserved */ |
| 167 | 0, /* reserved */ |
| 168 | 0, /* reserved */ |
| 169 | 0, /* reserved */ |
| 170 | 0 /* reserved */ |
| 171 | }; |
| 172 | |
| 173 | again: sts = scsi_cmd(fd, (cdb_t *)&cdb, 6, SUC_READ, 0, 0, &sus); |
| 174 | asc = sus.suc_sus.sus_sense[ADD_SENSECODE]; |
| 175 | ascq = sus.suc_sus.sus_sense[ADD_SC_QUALIFIER]; |
| 176 | if (asc == 0x3a && ascq == 0x0) /* no medium */ |
| 177 | return(0); |
| 178 | if (asc == 0x28 && ascq == 0x0) /* medium changed */ |
| 179 | goto again; |
| 180 | if (asc == 0x4 && ascq == 0x1 ) /* coming ready */ |
| 181 | { |
| 182 | sleep(2); |
| 183 | goto again; |
| 184 | } |
| 185 | return(1); |
| 186 | } |
| 187 | |
| 188 | /* Check a drive to see if it is a CD-ROM */ |
| 189 | static int CheckDrive(char *drive, struct stat *stbuf) |
| 190 | { |
| 191 | int is_cd = 0, cdfd; |
| 192 | char *p; |
| 193 | |
| 194 | /* If it doesn't exist, return -1 */ |
| 195 | if ( stat(drive, stbuf) < 0 ) { |
| 196 | return(-1); |
| 197 | } |
| 198 | |
| 199 | /* If it does exist, verify that it's an available CD-ROM */ |
| 200 | cdfd = open(drive, (O_RDONLY|O_EXCL|O_NONBLOCK), 0); |
| 201 | if ( cdfd >= 0 ) { |
| 202 | p = Inquiry(cdfd); |
| 203 | if (*p == TYPE_ROM) |
| 204 | is_cd = 1; |
| 205 | close(cdfd); |
| 206 | } |
| 207 | return(is_cd); |
| 208 | } |
| 209 | |
| 210 | /* Add a CD-ROM drive to our list of valid drives */ |
| 211 | static void AddDrive(char *drive, struct stat *stbuf) |
| 212 | { |
| 213 | int i; |
| 214 | |
| 215 | if ( SDL_numcds < MAX_DRIVES ) { |
| 216 | /* Check to make sure it's not already in our list. |
| 217 | This can happen when we see a drive via symbolic link. |
| 218 | */ |
| 219 | for ( i=0; i<SDL_numcds; ++i ) { |
| 220 | if ( stbuf->st_rdev == SDL_cdmode[i] ) { |
| 221 | #ifdef DEBUG_CDROM |
| 222 | fprintf(stderr, "Duplicate drive detected: %s == %s\n", drive, SDL_cdlist[i]); |
| 223 | #endif |
| 224 | return; |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | /* Add this drive to our list */ |
| 229 | i = SDL_numcds; |
| 230 | SDL_cdlist[i] = SDL_strdup(drive); |
| 231 | if ( SDL_cdlist[i] == NULL ) { |
| 232 | SDL_OutOfMemory(); |
| 233 | return; |
| 234 | } |
| 235 | SDL_cdmode[i] = stbuf->st_rdev; |
| 236 | ++SDL_numcds; |
| 237 | #ifdef DEBUG_CDROM |
| 238 | fprintf(stderr, "Added CD-ROM drive: %s\n", drive); |
| 239 | #endif |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | int SDL_SYS_CDInit(void) |
| 244 | { |
| 245 | /* checklist: /dev/rsr?c */ |
| 246 | static char *checklist[] = { |
| 247 | "?0 rsr?", NULL |
| 248 | }; |
| 249 | char *SDLcdrom; |
| 250 | int i, j, exists; |
| 251 | char drive[32]; |
| 252 | struct stat stbuf; |
| 253 | |
| 254 | /* Fill in our driver capabilities */ |
| 255 | SDL_CDcaps.Name = SDL_SYS_CDName; |
| 256 | SDL_CDcaps.Open = SDL_SYS_CDOpen; |
| 257 | SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; |
| 258 | SDL_CDcaps.Status = SDL_SYS_CDStatus; |
| 259 | SDL_CDcaps.Play = SDL_SYS_CDPlay; |
| 260 | SDL_CDcaps.Pause = SDL_SYS_CDPause; |
| 261 | SDL_CDcaps.Resume = SDL_SYS_CDResume; |
| 262 | SDL_CDcaps.Stop = SDL_SYS_CDStop; |
| 263 | SDL_CDcaps.Eject = SDL_SYS_CDEject; |
| 264 | SDL_CDcaps.Close = SDL_SYS_CDClose; |
| 265 | |
| 266 | /* Look in the environment for our CD-ROM drive list */ |
| 267 | SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ |
| 268 | if ( SDLcdrom != NULL ) { |
| 269 | char *cdpath, *delim; |
| 270 | size_t len = SDL_strlen(SDLcdrom)+1; |
| 271 | cdpath = SDL_stack_alloc(char, len); |
| 272 | if ( cdpath != NULL ) { |
| 273 | SDL_strlcpy(cdpath, SDLcdrom, len); |
| 274 | SDLcdrom = cdpath; |
| 275 | do { |
| 276 | delim = SDL_strchr(SDLcdrom, ':'); |
| 277 | if ( delim ) { |
| 278 | *delim++ = '\0'; |
| 279 | } |
| 280 | if ( CheckDrive(SDLcdrom, &stbuf) > 0 ) { |
| 281 | AddDrive(SDLcdrom, &stbuf); |
| 282 | } |
| 283 | if ( delim ) { |
| 284 | SDLcdrom = delim; |
| 285 | } else { |
| 286 | SDLcdrom = NULL; |
| 287 | } |
| 288 | } while ( SDLcdrom ); |
| 289 | SDL_stack_free(cdpath); |
| 290 | } |
| 291 | |
| 292 | /* If we found our drives, there's nothing left to do */ |
| 293 | if ( SDL_numcds > 0 ) { |
| 294 | return(0); |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | /* Scan the system for CD-ROM drives */ |
| 299 | for ( i=0; checklist[i]; ++i ) { |
| 300 | if ( checklist[i][0] == '?' ) { |
| 301 | char *insert; |
| 302 | exists = 1; |
| 303 | for ( j=checklist[i][1]; exists; ++j ) { |
| 304 | SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%sc", &checklist[i][3]); |
| 305 | insert = SDL_strchr(drive, '?'); |
| 306 | if ( insert != NULL ) { |
| 307 | *insert = j; |
| 308 | } |
| 309 | switch (CheckDrive(drive, &stbuf)) { |
| 310 | /* Drive exists and is a CD-ROM */ |
| 311 | case 1: |
| 312 | AddDrive(drive, &stbuf); |
| 313 | break; |
| 314 | /* Drive exists, but isn't a CD-ROM */ |
| 315 | case 0: |
| 316 | break; |
| 317 | /* Drive doesn't exist */ |
| 318 | case -1: |
| 319 | exists = 0; |
| 320 | break; |
| 321 | } |
| 322 | } |
| 323 | } else { |
| 324 | SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", checklist[i]); |
| 325 | if ( CheckDrive(drive, &stbuf) > 0 ) { |
| 326 | AddDrive(drive, &stbuf); |
| 327 | } |
| 328 | } |
| 329 | } |
| 330 | return(0); |
| 331 | } |
| 332 | |
| 333 | static const char *SDL_SYS_CDName(int drive) |
| 334 | { |
| 335 | return(SDL_cdlist[drive]); |
| 336 | } |
| 337 | |
| 338 | static int SDL_SYS_CDOpen(int drive) |
| 339 | { |
| 340 | return(open(SDL_cdlist[drive], O_RDONLY | O_NONBLOCK | O_EXCL, 0)); |
| 341 | } |
| 342 | |
| 343 | static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) |
| 344 | { |
| 345 | u_char cdb[10], buf[4], *p, *toc; |
| 346 | struct scsi_user_cdb sus; |
| 347 | int i, sts, first_track, last_track, ntracks, toc_size; |
| 348 | |
| 349 | bzero(cdb, sizeof (cdb)); |
| 350 | cdb[0] = 0x43; /* Read TOC */ |
| 351 | cdb[1] = 0x2; /* MSF */ |
| 352 | cdb[8] = 4; /* size TOC header */ |
| 353 | sts = scsi_cmd(cdrom->id, (cdb_t *)cdb, 10, SUC_READ, buf, 4, &sus); |
| 354 | if (sts < 0) |
| 355 | return(-1); |
| 356 | first_track = buf[2]; |
| 357 | last_track = buf[3]; |
| 358 | ntracks = last_track - first_track + 1; |
| 359 | cdrom->numtracks = ntracks; |
| 360 | toc_size = 4 + (ntracks + 1) * 8; |
| 361 | toc = (u_char *)SDL_malloc(toc_size); |
| 362 | if (toc == NULL) |
| 363 | return(-1); |
| 364 | bzero(cdb, sizeof (cdb)); |
| 365 | cdb[0] = 0x43; |
| 366 | cdb[1] = 0x2; |
| 367 | cdb[6] = first_track; |
| 368 | cdb[7] = toc_size >> 8; |
| 369 | cdb[8] = toc_size & 0xff; |
| 370 | sts = scsi_cmd(cdrom->id, (cdb_t *)cdb, 10, SUC_READ, toc, toc_size, |
| 371 | &sus); |
| 372 | if (sts < 0) |
| 373 | { |
| 374 | SDL_free(toc); |
| 375 | return(-1); |
| 376 | } |
| 377 | |
| 378 | for (i = 0, p = toc+4; i <= ntracks; i++, p+= 8) |
| 379 | { |
| 380 | if (i == ntracks) |
| 381 | cdrom->track[i].id = 0xAA; /* Leadout */ |
| 382 | else |
| 383 | cdrom->track[i].id = first_track + i; |
| 384 | if (p[1] & 0x20) |
| 385 | cdrom->track[i].type = SDL_DATA_TRACK; |
| 386 | else |
| 387 | cdrom->track[i].type = SDL_AUDIO_TRACK; |
| 388 | cdrom->track[i].offset = msf_to_frame(p[5], p[6], p[7]); |
| 389 | cdrom->track[i].length = 0; |
| 390 | if (i > 0) |
| 391 | cdrom->track[i-1].length = cdrom->track[i].offset - |
| 392 | cdrom->track[i-1].offset; |
| 393 | } |
| 394 | SDL_free(toc); |
| 395 | return(0); |
| 396 | } |
| 397 | |
| 398 | /* Get CD-ROM status */ |
| 399 | static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) |
| 400 | { |
| 401 | CDstatus status; |
| 402 | u_char cdb[10], buf[16]; |
| 403 | int sts; |
| 404 | struct scsi_user_cdb sus; |
| 405 | |
| 406 | bzero(cdb, sizeof (cdb)); |
| 407 | cdb[0] = 0x42; /* read subq */ |
| 408 | cdb[1] = 0x2; /* MSF */ |
| 409 | cdb[2] = 0x40; /* q channel */ |
| 410 | cdb[3] = 1; /* current pos */ |
| 411 | cdb[7] = sizeof (buf) >> 8; |
| 412 | cdb[8] = sizeof (buf) & 0xff; |
| 413 | sts = scsi_cmd(cdrom->id, (cdb_t *)cdb, 10, SUC_READ, buf, sizeof (buf), |
| 414 | &sus); |
| 415 | if (sts < 0) |
| 416 | return(-1); |
| 417 | if (sts) |
| 418 | { |
| 419 | if (TestForMedium(cdrom->id) == 0) |
| 420 | status = CD_TRAYEMPTY; |
| 421 | else |
| 422 | status = CD_ERROR; |
| 423 | } |
| 424 | else |
| 425 | { |
| 426 | switch (buf[1]) |
| 427 | { |
| 428 | case 0x11: |
| 429 | status = CD_PLAYING; |
| 430 | break; |
| 431 | case 0x12: |
| 432 | status = CD_PAUSED; |
| 433 | break; |
| 434 | case 0x13: |
| 435 | case 0x14: |
| 436 | case 0x15: |
| 437 | status = CD_STOPPED; |
| 438 | break; |
| 439 | default: |
| 440 | status = CD_ERROR; |
| 441 | break; |
| 442 | } |
| 443 | } |
| 444 | if (position) |
| 445 | { |
| 446 | if ( status == CD_PLAYING || (status == CD_PAUSED) ) |
| 447 | *position = msf_to_frame(buf[9], buf[10], buf[11]); |
| 448 | else |
| 449 | *position = 0; |
| 450 | } |
| 451 | return(status); |
| 452 | } |
| 453 | |
| 454 | /* Start play */ |
| 455 | static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) |
| 456 | { |
| 457 | u_char cdb[10]; |
| 458 | int sts, minute, second, frame, eminute, esecond, eframe; |
| 459 | struct scsi_user_cdb sus; |
| 460 | |
| 461 | bzero(cdb, sizeof(cdb)); |
| 462 | cdb[0] = 0x47; /* Play */ |
| 463 | frame_to_msf(start, &minute, &second, &frame); |
| 464 | frame_to_msf(start + length, &eminute, &esecond, &eframe); |
| 465 | cdb[3] = minute; |
| 466 | cdb[4] = second; |
| 467 | cdb[5] = frame; |
| 468 | cdb[6] = eminute; |
| 469 | cdb[7] = esecond; |
| 470 | cdb[8] = eframe; |
| 471 | sts = scsi_cmd(cdrom->id, (cdb_t *)cdb, 10, SUC_READ, 0, 0, &sus); |
| 472 | return(sts); |
| 473 | } |
| 474 | |
| 475 | static int |
| 476 | pauseresume(SDL_CD *cdrom, int flag) |
| 477 | { |
| 478 | u_char cdb[10]; |
| 479 | struct scsi_user_cdb sus; |
| 480 | |
| 481 | bzero(cdb, sizeof (cdb)); |
| 482 | cdb[0] = 0x4b; |
| 483 | cdb[8] = flag & 0x1; |
| 484 | return(scsi_cmd(cdrom->id, (cdb_t *)cdb, 10, SUC_READ, 0, 0, &sus)); |
| 485 | } |
| 486 | |
| 487 | /* Pause play */ |
| 488 | static int SDL_SYS_CDPause(SDL_CD *cdrom) |
| 489 | { |
| 490 | return(pauseresume(cdrom, 0)); |
| 491 | } |
| 492 | |
| 493 | /* Resume play */ |
| 494 | static int SDL_SYS_CDResume(SDL_CD *cdrom) |
| 495 | { |
| 496 | return(pauseresume(cdrom, 1)); |
| 497 | } |
| 498 | |
| 499 | /* Stop play */ |
| 500 | static int SDL_SYS_CDStop(SDL_CD *cdrom) |
| 501 | { |
| 502 | u_char cdb[6]; |
| 503 | struct scsi_user_cdb sus; |
| 504 | |
| 505 | bzero(cdb, sizeof (cdb)); |
| 506 | cdb[0] = 0x1b; /* stop */ |
| 507 | cdb[1] = 1; /* immediate */ |
| 508 | return(scsi_cmd(cdrom->id, (cdb_t *)cdb, 6, SUC_READ, 0, 0, &sus)); |
| 509 | } |
| 510 | |
| 511 | /* Eject the CD-ROM */ |
| 512 | static int SDL_SYS_CDEject(SDL_CD *cdrom) |
| 513 | { |
| 514 | u_char cdb[6]; |
| 515 | struct scsi_user_cdb sus; |
| 516 | |
| 517 | bzero(cdb, sizeof (cdb)); |
| 518 | cdb[0] = 0x1b; /* stop */ |
| 519 | cdb[1] = 1; /* immediate */ |
| 520 | cdb[4] = 2; /* eject */ |
| 521 | return(scsi_cmd(cdrom->id, (cdb_t *)cdb, 6, SUC_READ, 0, 0, &sus)); |
| 522 | } |
| 523 | |
| 524 | /* Close the CD-ROM handle */ |
| 525 | static void SDL_SYS_CDClose(SDL_CD *cdrom) |
| 526 | { |
| 527 | close(cdrom->id); |
| 528 | } |
| 529 | |
| 530 | void SDL_SYS_CDQuit(void) |
| 531 | { |
| 532 | int i; |
| 533 | |
| 534 | if ( SDL_numcds > 0 ) { |
| 535 | for ( i=0; i<SDL_numcds; ++i ) { |
| 536 | SDL_free(SDL_cdlist[i]); |
| 537 | } |
| 538 | } |
| 539 | SDL_numcds = 0; |
| 540 | } |
| 541 | |
| 542 | #endif /* SDL_CDROM_BSDI */ |