src/cdrom/aix/SDL_syscdrom.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 19 Feb 2006 23:46:34 +0000
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child 1402 d910939febfa
permissions -rw-r--r--
Use only safe string functions
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Carsten Griwodz
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    griff@kom.tu-darmstadt.de
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    based on linux/SDL_syscdrom.c by Sam Lantinga
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*/
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/* Functions for system-level CD-ROM audio control */
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/*#define DEBUG_CDROM 1*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <sys/devinfo.h>
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#include <sys/mntctl.h>
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#include <sys/statfs.h>
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#include <sys/vmount.h>
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#include <fstab.h>
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#include <sys/scdisk.h>
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#include "SDL_cdrom.h"
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#include "../SDL_syscdrom.h"
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/* The maximum number of CD-ROM drives we'll detect */
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#define MAX_DRIVES	16	
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/* A list of available CD-ROM drives */
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static char *SDL_cdlist[MAX_DRIVES];
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static dev_t SDL_cdmode[MAX_DRIVES];
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/* The system-dependent CD control functions */
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static const char *SDL_SYS_CDName(int drive);
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static int         SDL_SYS_CDOpen(int drive);
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static int         SDL_SYS_CDGetTOC(SDL_CD *cdrom);
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static CDstatus    SDL_SYS_CDStatus(SDL_CD *cdrom, int *position);
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static int         SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length);
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static int         SDL_SYS_CDPause(SDL_CD *cdrom);
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static int         SDL_SYS_CDResume(SDL_CD *cdrom);
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static int         SDL_SYS_CDStop(SDL_CD *cdrom);
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static int         SDL_SYS_CDEject(SDL_CD *cdrom);
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static void        SDL_SYS_CDClose(SDL_CD *cdrom);
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static int         SDL_SYS_CDioctl(int id, int command, void *arg);
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/* Check a drive to see if it is a CD-ROM */
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static int CheckDrive(char *drive, struct stat *stbuf)
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{
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    int is_cd;
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    int cdfd;
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    int ret;
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    struct devinfo info;
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    /* If it doesn't exist, return -1 */
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    if ( stat(drive, stbuf) < 0 ) {
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        return -1;
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    }
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    /* If it does exist, verify that it's an available CD-ROM */
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    is_cd = 0;
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    if ( S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode) ) {
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        cdfd = open(drive, (O_RDONLY|O_EXCL|O_NONBLOCK), 0);
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        if ( cdfd >= 0 ) {
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            ret = SDL_SYS_CDioctl( cdfd, IOCINFO, &info );
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	    if ( ret < 0 ) {
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		/* Some kind of error */
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		is_cd = 0;
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	    } else {
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		if ( info.devtype == DD_CDROM ) {
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		    is_cd = 1;
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		} else {
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		    is_cd = 0;
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		}
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	    }
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            close(cdfd);
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	}
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#ifdef DEBUG_CDROM
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	else
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	{
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            fprintf(stderr, "Could not open drive %s (%s)\n", drive, strerror(errno));
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	}
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#endif
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    }
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    return is_cd;
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}
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/* Add a CD-ROM drive to our list of valid drives */
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static void AddDrive(char *drive, struct stat *stbuf)
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{
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	int i;
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	if ( SDL_numcds < MAX_DRIVES ) {
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		/* Check to make sure it's not already in our list.
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	 	   This can happen when we see a drive via symbolic link.
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		 */
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		for ( i=0; i<SDL_numcds; ++i ) {
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			if ( stbuf->st_rdev == SDL_cdmode[i] ) {
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#ifdef DEBUG_CDROM
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  fprintf(stderr, "Duplicate drive detected: %s == %s\n", drive, SDL_cdlist[i]);
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#endif
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				return;
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			}
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		}
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		/* Add this drive to our list */
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		i = SDL_numcds;
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		SDL_cdlist[i] = SDL_strdup(drive);
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		if ( SDL_cdlist[i] == NULL ) {
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			SDL_OutOfMemory();
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			return;
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		}
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		SDL_cdmode[i] = stbuf->st_rdev;
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		++SDL_numcds;
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#ifdef DEBUG_CDROM
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  fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
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#endif
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	}
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}
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static void CheckMounts()
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{
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    char*          buffer;
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    int            bufsz;
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    struct vmount* ptr;
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    int            ret;
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    buffer = (char*)SDL_malloc(10);
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    bufsz  = 10;
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    if ( buffer==NULL )
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    {
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        fprintf(stderr, "Could not allocate 10 bytes in aix/SDL_syscdrom.c:CheckMounts\n" );
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	exit ( -10 );
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    }
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    do
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    {
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	/* mntctrl() returns an array of all mounted filesystems */
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        ret = mntctl ( MCTL_QUERY, bufsz, buffer );
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        if ( ret == 0 )
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        {
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				   /* Buffer was too small, realloc.    */
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            bufsz = *(int*)buffer; /* Required size is in first word.   */
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				   /* (whatever a word is in AIX 4.3.3) */
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				   /* int seems to be OK in 32bit mode. */
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            SDL_free(buffer);
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            buffer = (char*)SDL_malloc(bufsz);
0
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            if ( buffer==NULL )
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            {
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                fprintf(stderr,
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			"Could not allocate %d bytes in aix/SDL_syscdrom.c:CheckMounts\n",
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			bufsz );
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	        exit ( -10 );
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   173
            }
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        }
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	else if ( ret < 0 )
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   176
	{
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#ifdef DEBUG_CDROM
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            fprintf(stderr, "Error reading vmount structures\n");
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   179
#endif
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	    return;
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   181
	}
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   182
    }
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    while ( ret == 0 );
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   184
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   185
#ifdef DEBUG_CDROM
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    fprintf ( stderr, "Read %d vmount structures\n",ret );
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   187
#endif
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    ptr = (struct vmount*)buffer;
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   189
    do
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   190
    {
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   191
            switch(ptr->vmt_gfstype)
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   192
            {
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   193
            case MNT_CDROM :
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   194
                {
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   195
		    struct stat stbuf;
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   196
		    char*       text;
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   197
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		    text = (char*)ptr + ptr->vmt_data[VMT_OBJECT].vmt_off;
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   199
#ifdef DEBUG_CDROM
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  fprintf(stderr, "Checking mount path: %s mounted on %s\n",
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	text, (char*)ptr + ptr->vmt_data[VMT_STUB].vmt_off );
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   202
#endif
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   203
		    if ( CheckDrive( text, &stbuf) > 0)
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   204
		    {
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   205
		        AddDrive( text, &stbuf);
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   206
		    }
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diff changeset
   207
                }
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   208
                break;
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   209
            default :
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   210
                break;
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diff changeset
   211
            }
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   212
            ptr = (struct vmount*)((char*)ptr + ptr->vmt_length);
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   213
            ret--;
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diff changeset
   214
    }
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   215
    while ( ret > 0 );
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parents:
diff changeset
   216
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   217
    free ( buffer );
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diff changeset
   218
}
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   219
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   220
static int CheckNonmounts()
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diff changeset
   221
{
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   222
#ifdef _THREAD_SAFE
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   223
    AFILE_t      fsFile = NULL;
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   224
    int          passNo = 0;
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   225
    int          ret;
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   226
    struct fstab entry;
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diff changeset
   227
    struct stat  stbuf;
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parents:
diff changeset
   228
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   229
    ret = setfsent_r( &fsFile, &passNo );
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diff changeset
   230
    if ( ret != 0 ) return -1;
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parents:
diff changeset
   231
    do
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parents:
diff changeset
   232
    {
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   233
        ret = getfsent_r ( &entry, &fsFile, &passNo );
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diff changeset
   234
        if ( ret == 0 ) {
1336
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   235
            char* l = SDL_strrchr(entry.fs_spec,'/');
0
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parents:
diff changeset
   236
            if ( l != NULL ) {
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   237
                if ( !SDL_strncmp("cd",++l,2) ) {
0
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diff changeset
   238
#ifdef DEBUG_CDROM
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diff changeset
   239
                    fprintf(stderr,
74212992fb08 Initial revision
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diff changeset
   240
			    "Found unmounted CD ROM drive with device name %s\n",
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parents:
diff changeset
   241
			    entry.fs_spec);
74212992fb08 Initial revision
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parents:
diff changeset
   242
#endif
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parents:
diff changeset
   243
		    if ( CheckDrive( entry.fs_spec, &stbuf) > 0)
74212992fb08 Initial revision
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parents:
diff changeset
   244
		    {
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parents:
diff changeset
   245
		        AddDrive( entry.fs_spec, &stbuf);
74212992fb08 Initial revision
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parents:
diff changeset
   246
		    }
74212992fb08 Initial revision
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parents:
diff changeset
   247
                }
74212992fb08 Initial revision
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parents:
diff changeset
   248
            }
74212992fb08 Initial revision
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parents:
diff changeset
   249
        }
74212992fb08 Initial revision
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parents:
diff changeset
   250
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   251
    while ( ret == 0 );
74212992fb08 Initial revision
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parents:
diff changeset
   252
    ret = endfsent_r ( &fsFile );
74212992fb08 Initial revision
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parents:
diff changeset
   253
    if ( ret != 0 ) return -1;
74212992fb08 Initial revision
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parents:
diff changeset
   254
    return 0;
74212992fb08 Initial revision
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parents:
diff changeset
   255
#else
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diff changeset
   256
    struct fstab* entry;
74212992fb08 Initial revision
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parents:
diff changeset
   257
    struct stat  stbuf;
74212992fb08 Initial revision
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parents:
diff changeset
   258
74212992fb08 Initial revision
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parents:
diff changeset
   259
    setfsent();
74212992fb08 Initial revision
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parents:
diff changeset
   260
    do
74212992fb08 Initial revision
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parents:
diff changeset
   261
    {
74212992fb08 Initial revision
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parents:
diff changeset
   262
        entry = getfsent();
74212992fb08 Initial revision
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parents:
diff changeset
   263
        if ( entry != NULL ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   264
            char* l = SDL_strrchr(entry->fs_spec,'/');
0
74212992fb08 Initial revision
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parents:
diff changeset
   265
            if ( l != NULL ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
   266
                if ( !SDL_strncmp("cd",++l,2) ) {
0
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parents:
diff changeset
   267
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
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parents:
diff changeset
   268
                    fprintf(stderr,"Found unmounted CD ROM drive with device name %s", entry->fs_spec);
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parents:
diff changeset
   269
#endif
74212992fb08 Initial revision
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parents:
diff changeset
   270
		    if ( CheckDrive( entry->fs_spec, &stbuf) > 0)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   271
		    {
74212992fb08 Initial revision
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parents:
diff changeset
   272
		        AddDrive( entry->fs_spec, &stbuf);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   273
		    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   274
                }
74212992fb08 Initial revision
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parents:
diff changeset
   275
            }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   276
        }
74212992fb08 Initial revision
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parents:
diff changeset
   277
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   278
    while ( entry != NULL );
74212992fb08 Initial revision
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parents:
diff changeset
   279
    endfsent();
74212992fb08 Initial revision
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parents:
diff changeset
   280
#endif
74212992fb08 Initial revision
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parents:
diff changeset
   281
}
74212992fb08 Initial revision
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parents:
diff changeset
   282
74212992fb08 Initial revision
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diff changeset
   283
int  SDL_SYS_CDInit(void)
74212992fb08 Initial revision
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parents:
diff changeset
   284
{
74212992fb08 Initial revision
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diff changeset
   285
	char *SDLcdrom;
74212992fb08 Initial revision
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diff changeset
   286
	struct stat stbuf;
74212992fb08 Initial revision
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parents:
diff changeset
   287
74212992fb08 Initial revision
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diff changeset
   288
	/* Fill in our driver capabilities */
74212992fb08 Initial revision
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parents:
diff changeset
   289
	SDL_CDcaps.Name = SDL_SYS_CDName;
74212992fb08 Initial revision
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parents:
diff changeset
   290
	SDL_CDcaps.Open = SDL_SYS_CDOpen;
74212992fb08 Initial revision
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parents:
diff changeset
   291
	SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   292
	SDL_CDcaps.Status = SDL_SYS_CDStatus;
74212992fb08 Initial revision
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parents:
diff changeset
   293
	SDL_CDcaps.Play = SDL_SYS_CDPlay;
74212992fb08 Initial revision
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parents:
diff changeset
   294
	SDL_CDcaps.Pause = SDL_SYS_CDPause;
74212992fb08 Initial revision
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parents:
diff changeset
   295
	SDL_CDcaps.Resume = SDL_SYS_CDResume;
74212992fb08 Initial revision
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parents:
diff changeset
   296
	SDL_CDcaps.Stop = SDL_SYS_CDStop;
74212992fb08 Initial revision
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parents:
diff changeset
   297
	SDL_CDcaps.Eject = SDL_SYS_CDEject;
74212992fb08 Initial revision
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parents:
diff changeset
   298
	SDL_CDcaps.Close = SDL_SYS_CDClose;
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parents:
diff changeset
   299
74212992fb08 Initial revision
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diff changeset
   300
	/* Look in the environment for our CD-ROM drive list */
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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parents: 1312
diff changeset
   301
	SDLcdrom = SDL_getenv("SDL_CDROM");	/* ':' separated list of devices */
0
74212992fb08 Initial revision
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parents:
diff changeset
   302
	if ( SDLcdrom != NULL ) {
74212992fb08 Initial revision
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parents:
diff changeset
   303
		char *cdpath, *delim;
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   304
		size_t len = SDL_strlen(SDLcdrom)+1;
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   305
		cdpath = SDL_stack_alloc(char, len);
0
74212992fb08 Initial revision
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parents:
diff changeset
   306
		if ( cdpath != NULL ) {
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   307
			SDL_strlcpy(cdpath, SDLcdrom, len);
0
74212992fb08 Initial revision
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parents:
diff changeset
   308
			SDLcdrom = cdpath;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   309
			do {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
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   310
				delim = SDL_strchr(SDLcdrom, ':');
0
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parents:
diff changeset
   311
				if ( delim ) {
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parents:
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   312
					*delim++ = '\0';
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parents:
diff changeset
   313
				}
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parents:
diff changeset
   314
#ifdef DEBUG_CDROM
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parents:
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   315
  fprintf(stderr, "Checking CD-ROM drive from SDL_CDROM: %s\n", SDLcdrom);
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parents:
diff changeset
   316
#endif
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parents:
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   317
				if ( CheckDrive(SDLcdrom, &stbuf) > 0 ) {
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parents:
diff changeset
   318
					AddDrive(SDLcdrom, &stbuf);
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parents:
diff changeset
   319
				}
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parents:
diff changeset
   320
				if ( delim ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   321
					SDLcdrom = delim;
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parents:
diff changeset
   322
				} else {
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parents:
diff changeset
   323
					SDLcdrom = NULL;
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parents:
diff changeset
   324
				}
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parents:
diff changeset
   325
			} while ( SDLcdrom );
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diff changeset
   326
			SDL_stack_free(cdpath);
0
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parents:
diff changeset
   327
		}
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parents:
diff changeset
   328
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parents:
diff changeset
   329
		/* If we found our drives, there's nothing left to do */
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parents:
diff changeset
   330
		if ( SDL_numcds > 0 ) {
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parents:
diff changeset
   331
			return(0);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   332
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   333
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   334
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   335
	CheckMounts();
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   336
	CheckNonmounts();
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   337
74212992fb08 Initial revision
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parents:
diff changeset
   338
	return 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   339
}
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   340
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   341
/* General ioctl() CD-ROM command function */
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parents:
diff changeset
   342
static int SDL_SYS_CDioctl(int id, int command, void *arg)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   343
{
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   344
    int retval;
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parents:
diff changeset
   345
74212992fb08 Initial revision
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parents:
diff changeset
   346
    retval = ioctl(id, command, arg);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   347
    if ( retval < 0 ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   348
        SDL_SetError("ioctl() error: %s", strerror(errno));
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   349
    }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   350
    return retval;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   351
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   352
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   353
static const char *SDL_SYS_CDName(int drive)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   354
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   355
	return(SDL_cdlist[drive]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   356
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   357
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   358
static int SDL_SYS_CDOpen(int drive)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   359
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   360
    int   fd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   361
    char* lastsl;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   362
    char* cdromname;
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   363
    size_t len;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   364
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   365
    /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   366
     * We found /dev/cd? drives and that is in our list. But we can
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   367
     * open only the /dev/rcd? versions of those devices for Audio CD.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   368
     */
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   369
    len = SDL_strlen(SDL_cdlist[drive])+2;
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   370
    cdromname = (char*)SDL_malloc(len);
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   371
    SDL_strlcpy(cdromname,SDL_cdlist[drive],len);
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   372
    lastsl = SDL_strrchr(cdromname,'/');
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   373
    if (lastsl) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   374
	*lastsl = 0;
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   375
	SDL_strlcat(cdromname,"/r",len);
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   376
	lastsl = SDL_strrchr(SDL_cdlist[drive],'/');
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   377
	if (lastsl) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   378
	    lastsl++;
1379
c0a74f199ecf Use only safe string functions
Sam Lantinga <slouken@libsdl.org>
parents: 1361
diff changeset
   379
	    SDL_strlcat(cdromname,lastsl,len);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   380
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   381
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   382
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   383
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   384
    fprintf(stderr, "Should open drive %s, opening %s\n", SDL_cdlist[drive], cdromname);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   385
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   386
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   387
    /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   388
     * Use exclusive access. Don't use SC_DIAGNOSTICS as xmcd does because they
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   389
     * require root priviledges, and we don't want that. SC_SINGLE provides
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   390
     * exclusive access with less trouble.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   391
     */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   392
    fd = openx(cdromname, O_RDONLY, NULL, SC_SINGLE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   393
    if ( fd < 0 )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   394
    {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   395
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   396
            fprintf(stderr, "Could not open drive %s (%s)\n", cdromname, strerror(errno));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   397
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   398
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   399
    else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   400
    {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   401
	struct mode_form_op cdMode;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   402
	int                 ret;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   403
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   404
	cdMode.action = CD_GET_MODE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   405
	ret = SDL_SYS_CDioctl(fd, DK_CD_MODE, &cdMode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   406
	if ( ret < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   407
            fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   408
	            "Could not get drive mode for %s (%s)\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   409
		    cdromname, strerror(errno));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   410
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   411
	    switch(cdMode.cd_mode_form) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   412
		case CD_MODE1 :
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   413
                    fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   414
	                "Drive mode for %s is %s\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   415
		        cdromname, "CD-ROM Data Mode 1");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   416
		    break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   417
		case CD_MODE2_FORM1 :
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   418
                    fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   419
	                "Drive mode for %s is %s\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   420
		        cdromname, "CD-ROM XA Data Mode 2 Form 1");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   421
		    break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   422
		case CD_MODE2_FORM2 :
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   423
                    fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   424
	                "Drive mode for %s is %s\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   425
		        cdromname, "CD-ROM XA Data Mode 2 Form 2");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   426
		    break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   427
		case CD_DA :
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   428
                    fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   429
	                "Drive mode for %s is %s\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   430
		        cdromname, "CD-DA");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   431
		    break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   432
		default :
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   433
                    fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   434
	                "Drive mode for %s is %s\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   435
		        cdromname, "unknown");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   436
		    break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   437
	    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   438
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   439
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   440
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   441
	cdMode.action       = CD_CHG_MODE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   442
	cdMode.cd_mode_form = CD_DA;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   443
	ret = SDL_SYS_CDioctl(fd, DK_CD_MODE, &cdMode);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   444
	if ( ret < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   445
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   446
            fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   447
	            "Could not set drive mode for %s (%s)\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   448
		    cdromname, strerror(errno));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   449
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   450
            SDL_SetError("ioctl() error: Could not set CD drive mode, %s",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   451
	                 strerror(errno));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   452
	} else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   453
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   454
            fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   455
	            "Drive mode for %s set to CD_DA\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   456
		    cdromname);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   457
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   458
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   459
    }
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   460
    SDL_free(cdromname);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   461
    return fd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   462
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   463
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   464
static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   465
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   466
    struct cd_audio_cmd cmd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   467
    struct cd_audio_cmd entry;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   468
    int                 i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   469
    int                 okay;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   470
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   471
    cmd.audio_cmds = CD_TRK_INFO_AUDIO;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   472
    cmd.msf_flag   = FALSE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   473
    if ( SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   474
	return -1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   475
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   476
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   477
    okay = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   478
    cdrom->numtracks = cmd.indexing.track_index.last_track
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   479
		     - cmd.indexing.track_index.first_track+1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   480
    if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   481
        cdrom->numtracks = SDL_MAX_TRACKS;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   482
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   483
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   484
    /* Read all the track TOC entries */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   485
    for ( i=0; i<=cdrom->numtracks; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   486
        if ( i == cdrom->numtracks ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   487
            cdrom->track[i].id = 0xAA;;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   488
        } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   489
            cdrom->track[i].id = cmd.indexing.track_index.first_track+i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   490
        }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   491
        entry.audio_cmds         = CD_GET_TRK_MSF;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   492
	entry.indexing.track_msf.track = cdrom->track[i].id;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   493
	if ( SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &entry) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   494
            break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   495
        } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   496
            cdrom->track[i].type = 0;    /* don't know how to detect 0x04 data track */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   497
            cdrom->track[i].offset = MSF_TO_FRAMES(
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   498
                entry.indexing.track_msf.mins,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   499
                entry.indexing.track_msf.secs,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   500
                entry.indexing.track_msf.frames);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   501
            cdrom->track[i].length = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   502
            if ( i > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   503
                cdrom->track[i-1].length = cdrom->track[i].offset
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   504
		                         - cdrom->track[i-1].offset;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   505
            }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   506
        }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   507
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   508
    if ( i == (cdrom->numtracks+1) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   509
        okay = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   510
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   511
    return(okay ? 0 : -1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   512
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   513
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   514
/* Get CD-ROM status */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   515
static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   516
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   517
    CDstatus            status;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   518
    struct cd_audio_cmd cmd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   519
    cmd.audio_cmds = CD_INFO_AUDIO;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   520
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   521
    if ( SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   522
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   523
    fprintf(stderr, "ioctl failed in SDL_SYS_CDStatus (%s)\n", SDL_GetError());
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   524
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   525
        status = CD_ERROR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   526
    } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   527
        switch (cmd.status) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   528
            case CD_NO_AUDIO:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   529
            case CD_COMPLETED:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   530
                status = CD_STOPPED;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   531
                break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   532
            case CD_PLAY_AUDIO:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   533
                status = CD_PLAYING;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   534
                break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   535
            case CD_PAUSE_AUDIO:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   536
                status = CD_PAUSED;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   537
                break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   538
            case CD_NOT_VALID:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   539
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   540
    fprintf(stderr, "cdStatus failed with CD_NOT_VALID\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   541
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   542
                status = CD_ERROR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   543
                break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   544
            case CD_STATUS_ERROR:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   545
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   546
    fprintf(stderr, "cdStatus failed with CD_STATUS_ERROR\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   547
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   548
                status = CD_ERROR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   549
                break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   550
            default:
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   551
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   552
    fprintf(stderr, "cdStatus failed with unknown error\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   553
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   554
                status = CD_ERROR;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   555
                break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   556
        }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   557
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   558
    if ( position ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   559
        if ( status == CD_PLAYING || (status == CD_PAUSED) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   560
            *position = MSF_TO_FRAMES( cmd.indexing.info_audio.current_mins,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   561
                                       cmd.indexing.info_audio.current_secs,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   562
                                       cmd.indexing.info_audio.current_frames);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   563
        } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   564
            *position = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   565
        }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   566
    }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   567
    return status;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   568
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   569
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   570
/* Start play */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   571
static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   572
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   573
    struct cd_audio_cmd cmd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   574
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   575
    /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   576
     * My CD Rom is muted by default. I think I read that this is new with
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   577
     * AIX 4.3. SDL does not change the volume, so I need a kludge. Maybe
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   578
     * its better to do this elsewhere?
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   579
     */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   580
    cmd.audio_cmds = CD_PLAY_AUDIO | CD_SET_VOLUME;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   581
    cmd.msf_flag   = TRUE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   582
    FRAMES_TO_MSF(start,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   583
                  &cmd.indexing.msf.first_mins,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   584
                  &cmd.indexing.msf.first_secs,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   585
                  &cmd.indexing.msf.first_frames);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   586
    FRAMES_TO_MSF(start+length,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   587
                  &cmd.indexing.msf.last_mins,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   588
                  &cmd.indexing.msf.last_secs,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   589
                  &cmd.indexing.msf.last_frames);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   590
    cmd.volume_type     = CD_VOLUME_ALL;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   591
    cmd.all_channel_vol = 255;   /* This is a uchar. What is a good value? No docu! */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   592
    cmd.out_port_0_sel  = CD_AUDIO_CHNL_0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   593
    cmd.out_port_1_sel  = CD_AUDIO_CHNL_1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   594
    cmd.out_port_2_sel  = CD_AUDIO_CHNL_2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   595
    cmd.out_port_3_sel  = CD_AUDIO_CHNL_3;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   596
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   597
#ifdef DEBUG_CDROM
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   598
  fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n",
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   599
	cmd.indexing.msf.first_mins,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   600
	cmd.indexing.msf.first_secs,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   601
	cmd.indexing.msf.first_frames,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   602
	cmd.indexing.msf.last_mins,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   603
	cmd.indexing.msf.last_secs,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   604
	cmd.indexing.msf.last_frames);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   605
#endif
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   606
	return(SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   607
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   608
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   609
/* Pause play */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   610
static int SDL_SYS_CDPause(SDL_CD *cdrom)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   611
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   612
    struct cd_audio_cmd cmd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   613
    cmd.audio_cmds = CD_PAUSE_AUDIO;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   614
    return(SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   615
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   616
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   617
/* Resume play */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   618
static int SDL_SYS_CDResume(SDL_CD *cdrom)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   619
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   620
    struct cd_audio_cmd cmd;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   621
    cmd.audio_cmds = CD_RESUME_AUDIO;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   622
    return(SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   623
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   624
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   625
/* Stop play */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   626
static int SDL_SYS_CDStop(SDL_CD *cdrom)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   627
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   628
    struct cd_audio_cmd cmd;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   629
    cmd.audio_cmds = CD_STOP_AUDIO;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   630
    return(SDL_SYS_CDioctl(cdrom->id, DKAUDIO, &cmd));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   631
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   632
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   633
/* Eject the CD-ROM */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   634
static int SDL_SYS_CDEject(SDL_CD *cdrom)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   635
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   636
    return(SDL_SYS_CDioctl(cdrom->id, DKEJECT, 0));
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   637
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   638
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   639
/* Close the CD-ROM handle */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   640
static void SDL_SYS_CDClose(SDL_CD *cdrom)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   641
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   642
    close(cdrom->id);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   643
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   644
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   645
void SDL_SYS_CDQuit(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   646
{
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   647
	int i;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   648
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   649
	if ( SDL_numcds > 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   650
		for ( i=0; i<SDL_numcds; ++i ) {
1336
3692456e7b0f Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   651
			SDL_free(SDL_cdlist[i]);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   652
		}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   653
		SDL_numcds = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   654
	}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   655
}
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
   656