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annotate src/cdrom/SDL_syscdrom.h @ 2318:0c653886cce7

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HandleEvent() returns done each time it is called. If done was set to 0 the program should quit, but because done is not checked until *all* events are handled a following event can reset done to 1 and prevent the program from terminating when told to. I fixed the while loop that handles events to check for the state of done after handling each event. That could leave some events unhandled when the program exits, but it ensures that the program will exit.
author Bob Pendleton <bob@pendleton.com>
date Wed, 20 Feb 2008 23:27:33 +0000
parents 542c78b6fb12
children 99210400e8b9
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is SDL_free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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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.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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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
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 /* This is the system specific header for the SDL CD-ROM API */
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25
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26 /* Structure of CD audio control functions */
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27 extern struct CDcaps
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28 {
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29 /* Get the name of the specified drive */
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30 const char *(*Name) (int drive);
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31
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32 /* Open the specified drive, returning a drive id, or -1 on error */
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33 int (*Open) (int drive);
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34
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35 /* Get table-of-contents (number of tracks + track info) for disk.
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36 The TOC information should be stored in the cdrom structure.
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37 This function should return 0 on success, or -1 on error.
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38 */
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39 int (*GetTOC) (SDL_CD * cdrom);
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40
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41 /* Return the current status and play position, in frames, of the
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42 drive. 'position' may be NULL, and if so, should be ignored.
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43 */
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44 CDstatus(*Status) (SDL_CD * cdrom, int *position);
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45
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46 /* Play from frame 'start' to 'start+len' */
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47 int (*Play) (SDL_CD * cdrom, int start, int len);
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48
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49 /* Pause play */
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50 int (*Pause) (SDL_CD * cdrom);
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51
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52 /* Resume play */
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53 int (*Resume) (SDL_CD * cdrom);
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54
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55 /* Stop play */
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56 int (*Stop) (SDL_CD * cdrom);
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57
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58 /* Eject the current disk */
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59 int (*Eject) (SDL_CD * cdrom);
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60
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61 /* Close the specified drive */
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62 void (*Close) (SDL_CD * cdrom);
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63 } SDL_CDcaps;
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64
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65 /* The number of available CD-ROM drives on the system */
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66 extern int SDL_numcds;
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67
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68 /* Function to scan the system for CD-ROM drives and fill SDL_CDcaps.
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69 * This function should set SDL_numcds to the number of available CD
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70 * drives. Drive 0 should be the system default CD-ROM.
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71 * It should return 0, or -1 on an unrecoverable fatal error.
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72 */
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73 extern int SDL_SYS_CDInit(void);
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74
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75 /* Function to perform any system-specific CD-ROM related cleanup */
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76 extern void SDL_SYS_CDQuit(void);
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77
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78 /* vi: set ts=4 sw=4 expandtab: */