Mercurial > sdl-ios-xcode
annotate src/cdrom/win32/SDL_syscdrom.c @ 4170:092c0bc69155 SDL-1.2
Fixed bug #618
Description From Tim Angus 2008-08-30 12:23:56 (-) [reply]
As we all know SDL 1.2 doesn't handle dead keys well since one key press
potentially equals two (or more) characters. For example, on many layouts,
keying <backquote>,<space> results in <no character>,<backquote><space>. Since
the unicode member of the SDL_keysym struct only has room for one character,
only one can be returned.
On Linux, the first character is returned. On Windows however, unless the exact
number of characters generated by the keypress is 1, nothing is returned. The
following patch addresses this inconsistency.
Updated patch which includes a further fix to the handling of the numpad when
numlock is on. This further fix is courtesy Amanieu d'Antras.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 13 Apr 2009 08:42:09 +0000 |
| parents | a1b03ba2fcd0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
|
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 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 | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
|
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
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24 #ifdef SDL_CDROM_WIN32 |
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25 |
| 0 | 26 /* Functions for system-level CD-ROM audio control */ |
| 27 | |
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28 #define WIN32_LEAN_AND_MEAN |
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29 #include <windows.h> |
| 0 | 30 #include <mmsystem.h> |
| 31 | |
| 32 #include "SDL_cdrom.h" | |
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33 #include "../SDL_syscdrom.h" |
| 0 | 34 |
| 35 /* This really broken?? */ | |
| 36 #define BROKEN_MCI_PAUSE /* Pausing actually stops play -- Doh! */ | |
| 37 | |
| 38 /* The maximum number of CD-ROM drives we'll detect (Don't change!) */ | |
| 39 #define MAX_DRIVES 26 | |
| 40 | |
| 41 /* A list of available CD-ROM drives */ | |
| 42 static char *SDL_cdlist[MAX_DRIVES]; | |
| 43 static MCIDEVICEID SDL_mciID[MAX_DRIVES]; | |
| 44 #ifdef BROKEN_MCI_PAUSE | |
| 45 static int SDL_paused[MAX_DRIVES]; | |
| 46 #endif | |
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47 static int SDL_CD_end_position; |
| 0 | 48 |
| 49 /* The system-dependent CD control functions */ | |
| 50 static const char *SDL_SYS_CDName(int drive); | |
| 51 static int SDL_SYS_CDOpen(int drive); | |
| 52 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); | |
| 53 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); | |
| 54 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); | |
| 55 static int SDL_SYS_CDPause(SDL_CD *cdrom); | |
| 56 static int SDL_SYS_CDResume(SDL_CD *cdrom); | |
| 57 static int SDL_SYS_CDStop(SDL_CD *cdrom); | |
| 58 static int SDL_SYS_CDEject(SDL_CD *cdrom); | |
| 59 static void SDL_SYS_CDClose(SDL_CD *cdrom); | |
| 60 | |
| 61 | |
| 62 /* Add a CD-ROM drive to our list of valid drives */ | |
| 63 static void AddDrive(char *drive) | |
| 64 { | |
| 65 int i; | |
| 66 | |
| 67 if ( SDL_numcds < MAX_DRIVES ) { | |
| 68 /* Add this drive to our list */ | |
| 69 i = SDL_numcds; | |
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70 SDL_cdlist[i] = SDL_strdup(drive); |
| 0 | 71 if ( SDL_cdlist[i] == NULL ) { |
| 72 SDL_OutOfMemory(); | |
| 73 return; | |
| 74 } | |
| 75 ++SDL_numcds; | |
| 76 #ifdef CDROM_DEBUG | |
| 77 fprintf(stderr, "Added CD-ROM drive: %s\n", drive); | |
| 78 #endif | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 int SDL_SYS_CDInit(void) | |
| 83 { | |
| 84 /* checklist: Drive 'A' - 'Z' */ | |
| 85 int i; | |
| 86 char drive[4]; | |
| 87 | |
| 88 /* Fill in our driver capabilities */ | |
| 89 SDL_CDcaps.Name = SDL_SYS_CDName; | |
| 90 SDL_CDcaps.Open = SDL_SYS_CDOpen; | |
| 91 SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; | |
| 92 SDL_CDcaps.Status = SDL_SYS_CDStatus; | |
| 93 SDL_CDcaps.Play = SDL_SYS_CDPlay; | |
| 94 SDL_CDcaps.Pause = SDL_SYS_CDPause; | |
| 95 SDL_CDcaps.Resume = SDL_SYS_CDResume; | |
| 96 SDL_CDcaps.Stop = SDL_SYS_CDStop; | |
| 97 SDL_CDcaps.Eject = SDL_SYS_CDEject; | |
| 98 SDL_CDcaps.Close = SDL_SYS_CDClose; | |
| 99 | |
| 100 /* Scan the system for CD-ROM drives */ | |
| 101 for ( i='A'; i<='Z'; ++i ) { | |
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102 SDL_snprintf(drive, SDL_arraysize(drive), "%c:\\", i); |
| 0 | 103 if ( GetDriveType(drive) == DRIVE_CDROM ) { |
| 104 AddDrive(drive); | |
| 105 } | |
| 106 } | |
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107 SDL_memset(SDL_mciID, 0, sizeof(SDL_mciID)); |
| 0 | 108 return(0); |
| 109 } | |
| 110 | |
| 111 /* General ioctl() CD-ROM command function */ | |
| 112 static int SDL_SYS_CDioctl(int id, UINT msg, DWORD flags, void *arg) | |
| 113 { | |
| 114 MCIERROR mci_error; | |
| 115 | |
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116 mci_error = mciSendCommand(SDL_mciID[id], msg, flags, (DWORD_PTR)arg); |
| 0 | 117 if ( mci_error ) { |
| 118 char error[256]; | |
| 119 | |
| 120 mciGetErrorString(mci_error, error, 256); | |
| 121 SDL_SetError("mciSendCommand() error: %s", error); | |
| 122 } | |
| 123 return(!mci_error ? 0 : -1); | |
| 124 } | |
| 125 | |
| 126 static const char *SDL_SYS_CDName(int drive) | |
| 127 { | |
| 128 return(SDL_cdlist[drive]); | |
| 129 } | |
| 130 | |
| 131 static int SDL_SYS_CDOpen(int drive) | |
| 132 { | |
| 133 MCI_OPEN_PARMS mci_open; | |
| 134 MCI_SET_PARMS mci_set; | |
| 135 char device[3]; | |
| 136 DWORD flags; | |
| 137 | |
| 138 /* Open the requested device */ | |
| 139 mci_open.lpstrDeviceType = (LPCSTR) MCI_DEVTYPE_CD_AUDIO; | |
| 140 device[0] = *SDL_cdlist[drive]; | |
| 141 device[1] = ':'; | |
| 142 device[2] = '\0'; | |
| 143 mci_open.lpstrElementName = device; | |
| 144 flags = | |
| 145 (MCI_OPEN_TYPE|MCI_OPEN_SHAREABLE|MCI_OPEN_TYPE_ID|MCI_OPEN_ELEMENT); | |
| 146 if ( SDL_SYS_CDioctl(0, MCI_OPEN, flags, &mci_open) < 0 ) { | |
| 147 flags &= ~MCI_OPEN_SHAREABLE; | |
| 148 if ( SDL_SYS_CDioctl(0, MCI_OPEN, flags, &mci_open) < 0 ) { | |
| 149 return(-1); | |
| 150 } | |
| 151 } | |
| 152 SDL_mciID[drive] = mci_open.wDeviceID; | |
| 153 | |
| 154 /* Set the minute-second-frame time format */ | |
| 155 mci_set.dwTimeFormat = MCI_FORMAT_MSF; | |
| 156 SDL_SYS_CDioctl(drive, MCI_SET, MCI_SET_TIME_FORMAT, &mci_set); | |
| 157 | |
| 158 #ifdef BROKEN_MCI_PAUSE | |
| 159 SDL_paused[drive] = 0; | |
| 160 #endif | |
| 161 return(drive); | |
| 162 } | |
| 163 | |
| 164 static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) | |
| 165 { | |
| 166 MCI_STATUS_PARMS mci_status; | |
| 167 int i, okay; | |
| 168 DWORD flags; | |
| 169 | |
| 170 okay = 0; | |
| 171 mci_status.dwItem = MCI_STATUS_NUMBER_OF_TRACKS; | |
| 172 flags = MCI_STATUS_ITEM | MCI_WAIT; | |
| 173 if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) { | |
| 174 cdrom->numtracks = mci_status.dwReturn; | |
| 175 if ( cdrom->numtracks > SDL_MAX_TRACKS ) { | |
| 176 cdrom->numtracks = SDL_MAX_TRACKS; | |
| 177 } | |
| 178 /* Read all the track TOC entries */ | |
| 179 flags = MCI_STATUS_ITEM | MCI_TRACK | MCI_WAIT; | |
| 180 for ( i=0; i<cdrom->numtracks; ++i ) { | |
| 181 cdrom->track[i].id = i+1; | |
| 182 mci_status.dwTrack = cdrom->track[i].id; | |
| 183 #ifdef MCI_CDA_STATUS_TYPE_TRACK | |
| 184 mci_status.dwItem = MCI_CDA_STATUS_TYPE_TRACK; | |
| 185 if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, | |
| 186 &mci_status) < 0 ) { | |
| 187 break; | |
| 188 } | |
| 189 if ( mci_status.dwReturn == MCI_CDA_TRACK_AUDIO ) { | |
| 190 cdrom->track[i].type = SDL_AUDIO_TRACK; | |
| 191 } else { | |
| 192 cdrom->track[i].type = SDL_DATA_TRACK; | |
| 193 } | |
| 194 #else | |
| 195 cdrom->track[i].type = SDL_AUDIO_TRACK; | |
| 196 #endif | |
| 197 mci_status.dwItem = MCI_STATUS_POSITION; | |
| 198 if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, | |
| 199 &mci_status) < 0 ) { | |
| 200 break; | |
| 201 } | |
| 202 cdrom->track[i].offset = MSF_TO_FRAMES( | |
| 203 MCI_MSF_MINUTE(mci_status.dwReturn), | |
| 204 MCI_MSF_SECOND(mci_status.dwReturn), | |
| 205 MCI_MSF_FRAME(mci_status.dwReturn)); | |
| 206 cdrom->track[i].length = 0; | |
| 207 if ( i > 0 ) { | |
| 208 cdrom->track[i-1].length = | |
| 209 cdrom->track[i].offset- | |
| 210 cdrom->track[i-1].offset; | |
| 211 } | |
| 212 } | |
| 213 if ( i == cdrom->numtracks ) { | |
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214 mci_status.dwTrack = cdrom->track[i - 1].id; |
| 0 | 215 mci_status.dwItem = MCI_STATUS_LENGTH; |
| 216 if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, | |
| 217 &mci_status) == 0 ) { | |
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218 cdrom->track[i - 1].length = MSF_TO_FRAMES( |
| 0 | 219 MCI_MSF_MINUTE(mci_status.dwReturn), |
| 220 MCI_MSF_SECOND(mci_status.dwReturn), | |
| 1524 | 221 MCI_MSF_FRAME(mci_status.dwReturn)); |
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222 /* compute lead-out offset */ |
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223 cdrom->track[i].offset = cdrom->track[i - 1].offset + |
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224 cdrom->track[i - 1].length; |
| 0 | 225 cdrom->track[i].length = 0; |
| 226 okay = 1; | |
| 227 } | |
| 228 } | |
| 229 } | |
| 230 return(okay ? 0 : -1); | |
| 231 } | |
| 232 | |
| 233 /* Get CD-ROM status */ | |
| 234 static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) | |
| 235 { | |
| 236 CDstatus status; | |
| 237 MCI_STATUS_PARMS mci_status; | |
| 238 DWORD flags; | |
| 239 | |
| 240 flags = MCI_STATUS_ITEM | MCI_WAIT; | |
| 241 mci_status.dwItem = MCI_STATUS_MODE; | |
| 242 if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) < 0 ) { | |
| 243 status = CD_ERROR; | |
| 244 } else { | |
| 245 switch (mci_status.dwReturn) { | |
| 246 case MCI_MODE_NOT_READY: | |
| 247 case MCI_MODE_OPEN: | |
| 248 status = CD_TRAYEMPTY; | |
| 249 break; | |
| 250 case MCI_MODE_STOP: | |
| 251 #ifdef BROKEN_MCI_PAUSE | |
| 252 if ( SDL_paused[cdrom->id] ) { | |
| 253 status = CD_PAUSED; | |
| 254 } else { | |
| 255 status = CD_STOPPED; | |
| 256 } | |
| 257 #else | |
| 258 status = CD_STOPPED; | |
| 259 #endif /* BROKEN_MCI_PAUSE */ | |
| 260 break; | |
| 261 case MCI_MODE_PLAY: | |
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262 #ifdef BROKEN_MCI_PAUSE |
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263 if ( SDL_paused[cdrom->id] ) { |
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264 status = CD_PAUSED; |
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265 } else { |
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266 status = CD_PLAYING; |
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267 } |
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268 #else |
| 0 | 269 status = CD_PLAYING; |
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270 #endif /* BROKEN_MCI_PAUSE */ |
| 0 | 271 break; |
| 272 case MCI_MODE_PAUSE: | |
| 273 status = CD_PAUSED; | |
| 274 break; | |
| 275 default: | |
| 276 status = CD_ERROR; | |
| 277 break; | |
| 278 } | |
| 279 } | |
| 280 if ( position ) { | |
| 281 if ( status == CD_PLAYING || (status == CD_PAUSED) ) { | |
| 282 mci_status.dwItem = MCI_STATUS_POSITION; | |
| 283 if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, | |
| 284 &mci_status) == 0 ) { | |
| 285 *position = MSF_TO_FRAMES( | |
| 286 MCI_MSF_MINUTE(mci_status.dwReturn), | |
| 287 MCI_MSF_SECOND(mci_status.dwReturn), | |
| 288 MCI_MSF_FRAME(mci_status.dwReturn)); | |
| 289 } else { | |
| 290 *position = 0; | |
| 291 } | |
| 292 } else { | |
| 293 *position = 0; | |
| 294 } | |
| 295 } | |
| 296 return(status); | |
| 297 } | |
| 298 | |
| 299 /* Start play */ | |
| 300 static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) | |
| 301 { | |
| 302 MCI_PLAY_PARMS mci_play; | |
| 303 int m, s, f; | |
| 304 DWORD flags; | |
| 305 | |
| 306 flags = MCI_FROM | MCI_TO | MCI_NOTIFY; | |
| 307 mci_play.dwCallback = 0; | |
| 308 FRAMES_TO_MSF(start, &m, &s, &f); | |
| 309 mci_play.dwFrom = MCI_MAKE_MSF(m, s, f); | |
| 310 FRAMES_TO_MSF(start+length, &m, &s, &f); | |
| 311 mci_play.dwTo = MCI_MAKE_MSF(m, s, f); | |
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312 SDL_CD_end_position = mci_play.dwTo; |
| 0 | 313 return(SDL_SYS_CDioctl(cdrom->id, MCI_PLAY, flags, &mci_play)); |
| 314 } | |
| 315 | |
| 316 /* Pause play */ | |
| 317 static int SDL_SYS_CDPause(SDL_CD *cdrom) | |
| 318 { | |
| 319 #ifdef BROKEN_MCI_PAUSE | |
| 320 SDL_paused[cdrom->id] = 1; | |
| 321 #endif | |
| 322 return(SDL_SYS_CDioctl(cdrom->id, MCI_PAUSE, MCI_WAIT, NULL)); | |
| 323 } | |
| 324 | |
| 325 /* Resume play */ | |
| 326 static int SDL_SYS_CDResume(SDL_CD *cdrom) | |
| 327 { | |
| 328 #ifdef BROKEN_MCI_PAUSE | |
| 329 MCI_STATUS_PARMS mci_status; | |
| 330 int okay; | |
| 331 int flags; | |
| 332 | |
| 333 okay = 0; | |
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334 /* Play from the current play position to the end position set earlier */ |
| 0 | 335 flags = MCI_STATUS_ITEM | MCI_WAIT; |
| 336 mci_status.dwItem = MCI_STATUS_POSITION; | |
| 337 if ( SDL_SYS_CDioctl(cdrom->id, MCI_STATUS, flags, &mci_status) == 0 ) { | |
| 338 MCI_PLAY_PARMS mci_play; | |
| 339 | |
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340 flags = MCI_FROM | MCI_TO | MCI_NOTIFY; |
| 0 | 341 mci_play.dwCallback = 0; |
| 342 mci_play.dwFrom = mci_status.dwReturn; | |
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343 mci_play.dwTo = SDL_CD_end_position; |
| 0 | 344 if (SDL_SYS_CDioctl(cdrom->id,MCI_PLAY,flags,&mci_play) == 0) { |
| 345 okay = 1; | |
| 346 SDL_paused[cdrom->id] = 0; | |
| 347 } | |
| 348 } | |
| 349 return(okay ? 0 : -1); | |
| 350 #else | |
| 351 return(SDL_SYS_CDioctl(cdrom->id, MCI_RESUME, MCI_WAIT, NULL)); | |
| 352 #endif /* BROKEN_MCI_PAUSE */ | |
| 353 } | |
| 354 | |
| 355 /* Stop play */ | |
| 356 static int SDL_SYS_CDStop(SDL_CD *cdrom) | |
| 357 { | |
| 358 return(SDL_SYS_CDioctl(cdrom->id, MCI_STOP, MCI_WAIT, NULL)); | |
| 359 } | |
| 360 | |
| 361 /* Eject the CD-ROM */ | |
| 362 static int SDL_SYS_CDEject(SDL_CD *cdrom) | |
| 363 { | |
| 364 return(SDL_SYS_CDioctl(cdrom->id, MCI_SET, MCI_SET_DOOR_OPEN, NULL)); | |
| 365 } | |
| 366 | |
| 367 /* Close the CD-ROM handle */ | |
| 368 static void SDL_SYS_CDClose(SDL_CD *cdrom) | |
| 369 { | |
| 370 SDL_SYS_CDioctl(cdrom->id, MCI_CLOSE, MCI_WAIT, NULL); | |
| 371 } | |
| 372 | |
| 373 void SDL_SYS_CDQuit(void) | |
| 374 { | |
| 375 int i; | |
| 376 | |
| 377 if ( SDL_numcds > 0 ) { | |
| 378 for ( i=0; i<SDL_numcds; ++i ) { | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1330
diff
changeset
|
379 SDL_free(SDL_cdlist[i]); |
|
4158
96ce26f24b01
Date: Sun, 7 Sep 2008 15:17:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
1635
diff
changeset
|
380 SDL_cdlist[i] = NULL; |
| 0 | 381 } |
| 382 SDL_numcds = 0; | |
| 383 } | |
| 384 } | |
|
1635
92947e3a18db
Make sure code is only compiled if the appropriate subsystem is enabled
Sam Lantinga <slouken@libsdl.org>
parents:
1524
diff
changeset
|
385 |
|
92947e3a18db
Make sure code is only compiled if the appropriate subsystem is enabled
Sam Lantinga <slouken@libsdl.org>
parents:
1524
diff
changeset
|
386 #endif /* SDL_CDROM_WIN32 */ |