From d8239786b306ffda6d5d73753d01f0ad3358e1a0 Mon Sep 17 00:00:00 2001 From: Jesse Hall Date: Tue, 17 Jul 2012 16:58:55 -0700 Subject: Delete sdl-1.2.12 Change-Id: Ia96f80df04035ae84be3af468c945f2cec14f99c --- distrib/sdl-1.2.12/src/cdrom/linux/SDL_syscdrom.c | 564 ---------------------- 1 file changed, 564 deletions(-) delete mode 100644 distrib/sdl-1.2.12/src/cdrom/linux/SDL_syscdrom.c (limited to 'distrib/sdl-1.2.12/src/cdrom/linux/SDL_syscdrom.c') diff --git a/distrib/sdl-1.2.12/src/cdrom/linux/SDL_syscdrom.c b/distrib/sdl-1.2.12/src/cdrom/linux/SDL_syscdrom.c deleted file mode 100644 index 2535b28..0000000 --- a/distrib/sdl-1.2.12/src/cdrom/linux/SDL_syscdrom.c +++ /dev/null @@ -1,564 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifdef SDL_CDROM_LINUX - -/* Functions for system-level CD-ROM audio control */ - -#include /* For strerror() */ -#include -#include -#include -#include -#include -#include -#ifdef __LINUX__ -#ifdef HAVE_LINUX_VERSION_H -/* linux 2.6.9 workaround */ -#include -#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,9) -#include -#define __le64 __u64 -#define __le32 __u32 -#define __le16 __u16 -#define __be64 __u64 -#define __be32 __u32 -#define __be16 __u16 -#endif /* linux 2.6.9 workaround */ -#endif /* HAVE_LINUX_VERSION_H */ -#include -#endif -#ifdef __SVR4 -#include -#endif - -/* Define this to use the alternative getmntent() code */ -#ifndef __SVR4 -#define USE_MNTENT -#endif - -#ifdef USE_MNTENT -#if defined(__USLC__) -#include -#else -#include -#endif - -#ifndef _PATH_MNTTAB -#ifdef MNTTAB -#define _PATH_MNTTAB MNTTAB -#else -#define _PATH_MNTTAB "/etc/fstab" -#endif -#endif /* !_PATH_MNTTAB */ - -#ifndef _PATH_MOUNTED -#define _PATH_MOUNTED "/etc/mtab" -#endif /* !_PATH_MOUNTED */ - -#ifndef MNTTYPE_CDROM -#define MNTTYPE_CDROM "iso9660" -#endif -#ifndef MNTTYPE_SUPER -#define MNTTYPE_SUPER "supermount" -#endif -#endif /* USE_MNTENT */ - -#include "SDL_cdrom.h" -#include "../SDL_syscdrom.h" - - -/* The maximum number of CD-ROM drives we'll detect */ -#define MAX_DRIVES 16 - -/* A list of available CD-ROM drives */ -static char *SDL_cdlist[MAX_DRIVES]; -static dev_t SDL_cdmode[MAX_DRIVES]; - -/* The system-dependent CD control functions */ -static const char *SDL_SYS_CDName(int drive); -static int SDL_SYS_CDOpen(int drive); -static int SDL_SYS_CDGetTOC(SDL_CD *cdrom); -static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position); -static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length); -static int SDL_SYS_CDPause(SDL_CD *cdrom); -static int SDL_SYS_CDResume(SDL_CD *cdrom); -static int SDL_SYS_CDStop(SDL_CD *cdrom); -static int SDL_SYS_CDEject(SDL_CD *cdrom); -static void SDL_SYS_CDClose(SDL_CD *cdrom); - -/* Some ioctl() errno values which occur when the tray is empty */ -#ifndef ENOMEDIUM -#define ENOMEDIUM ENOENT -#endif -#define ERRNO_TRAYEMPTY(errno) \ - ((errno == EIO) || (errno == ENOENT) || \ - (errno == EINVAL) || (errno == ENOMEDIUM)) - -/* Check a drive to see if it is a CD-ROM */ -static int CheckDrive(char *drive, char *mnttype, struct stat *stbuf) -{ - int is_cd, cdfd; - struct cdrom_subchnl info; - - /* If it doesn't exist, return -1 */ - if ( stat(drive, stbuf) < 0 ) { - return(-1); - } - - /* If it does exist, verify that it's an available CD-ROM */ - is_cd = 0; - if ( S_ISCHR(stbuf->st_mode) || S_ISBLK(stbuf->st_mode) ) { - cdfd = open(drive, (O_RDONLY|O_NONBLOCK), 0); - if ( cdfd >= 0 ) { - info.cdsc_format = CDROM_MSF; - /* Under Linux, EIO occurs when a disk is not present. - */ - if ( (ioctl(cdfd, CDROMSUBCHNL, &info) == 0) || - ERRNO_TRAYEMPTY(errno) ) { - is_cd = 1; - } - close(cdfd); - } -#ifdef USE_MNTENT - /* Even if we can't read it, it might be mounted */ - else if ( mnttype && (SDL_strcmp(mnttype, MNTTYPE_CDROM) == 0) ) { - is_cd = 1; - } -#endif - } - return(is_cd); -} - -/* Add a CD-ROM drive to our list of valid drives */ -static void AddDrive(char *drive, struct stat *stbuf) -{ - int i; - - if ( SDL_numcds < MAX_DRIVES ) { - /* Check to make sure it's not already in our list. - This can happen when we see a drive via symbolic link. - */ - for ( i=0; ist_rdev == SDL_cdmode[i] ) { -#ifdef DEBUG_CDROM - fprintf(stderr, "Duplicate drive detected: %s == %s\n", drive, SDL_cdlist[i]); -#endif - return; - } - } - - /* Add this drive to our list */ - i = SDL_numcds; - SDL_cdlist[i] = SDL_strdup(drive); - if ( SDL_cdlist[i] == NULL ) { - SDL_OutOfMemory(); - return; - } - SDL_cdmode[i] = stbuf->st_rdev; - ++SDL_numcds; -#ifdef DEBUG_CDROM - fprintf(stderr, "Added CD-ROM drive: %s\n", drive); -#endif - } -} - -#ifdef USE_MNTENT -static void CheckMounts(const char *mtab) -{ - FILE *mntfp; - struct mntent *mntent; - struct stat stbuf; - - mntfp = setmntent(mtab, "r"); - if ( mntfp != NULL ) { - char *tmp; - char *mnt_type; - size_t mnt_type_len; - char *mnt_dev; - size_t mnt_dev_len; - - while ( (mntent=getmntent(mntfp)) != NULL ) { - mnt_type_len = SDL_strlen(mntent->mnt_type) + 1; - mnt_type = SDL_stack_alloc(char, mnt_type_len); - if (mnt_type == NULL) - continue; /* maybe you'll get lucky next time. */ - - mnt_dev_len = SDL_strlen(mntent->mnt_fsname) + 1; - mnt_dev = SDL_stack_alloc(char, mnt_dev_len); - if (mnt_dev == NULL) { - SDL_stack_free(mnt_type); - continue; - } - - SDL_strlcpy(mnt_type, mntent->mnt_type, mnt_type_len); - SDL_strlcpy(mnt_dev, mntent->mnt_fsname, mnt_dev_len); - - /* Handle "supermount" filesystem mounts */ - if ( SDL_strcmp(mnt_type, MNTTYPE_SUPER) == 0 ) { - tmp = SDL_strstr(mntent->mnt_opts, "fs="); - if ( tmp ) { - SDL_stack_free(mnt_type); - mnt_type = SDL_strdup(tmp + SDL_strlen("fs=")); - if ( mnt_type ) { - tmp = SDL_strchr(mnt_type, ','); - if ( tmp ) { - *tmp = '\0'; - } - } - } - tmp = SDL_strstr(mntent->mnt_opts, "dev="); - if ( tmp ) { - SDL_stack_free(mnt_dev); - mnt_dev = SDL_strdup(tmp + SDL_strlen("dev=")); - if ( mnt_dev ) { - tmp = SDL_strchr(mnt_dev, ','); - if ( tmp ) { - *tmp = '\0'; - } - } - } - } - if ( SDL_strcmp(mnt_type, MNTTYPE_CDROM) == 0 ) { -#ifdef DEBUG_CDROM - fprintf(stderr, "Checking mount path from %s: %s mounted on %s of %s\n", - mtab, mnt_dev, mntent->mnt_dir, mnt_type); -#endif - if (CheckDrive(mnt_dev, mnt_type, &stbuf) > 0) { - AddDrive(mnt_dev, &stbuf); - } - } - SDL_stack_free(mnt_dev); - SDL_stack_free(mnt_type); - } - endmntent(mntfp); - } -} -#endif /* USE_MNTENT */ - -int SDL_SYS_CDInit(void) -{ - /* checklist: /dev/cdrom, /dev/hd?, /dev/scd? /dev/sr? */ - static char *checklist[] = { - "cdrom", "?a hd?", "?0 scd?", "?0 sr?", NULL - }; - char *SDLcdrom; - int i, j, exists; - char drive[32]; - struct stat stbuf; - - /* Fill in our driver capabilities */ - SDL_CDcaps.Name = SDL_SYS_CDName; - SDL_CDcaps.Open = SDL_SYS_CDOpen; - SDL_CDcaps.GetTOC = SDL_SYS_CDGetTOC; - SDL_CDcaps.Status = SDL_SYS_CDStatus; - SDL_CDcaps.Play = SDL_SYS_CDPlay; - SDL_CDcaps.Pause = SDL_SYS_CDPause; - SDL_CDcaps.Resume = SDL_SYS_CDResume; - SDL_CDcaps.Stop = SDL_SYS_CDStop; - SDL_CDcaps.Eject = SDL_SYS_CDEject; - SDL_CDcaps.Close = SDL_SYS_CDClose; - - /* Look in the environment for our CD-ROM drive list */ - SDLcdrom = SDL_getenv("SDL_CDROM"); /* ':' separated list of devices */ - if ( SDLcdrom != NULL ) { - char *cdpath, *delim; - size_t len = SDL_strlen(SDLcdrom)+1; - cdpath = SDL_stack_alloc(char, len); - if ( cdpath != NULL ) { - SDL_strlcpy(cdpath, SDLcdrom, len); - SDLcdrom = cdpath; - do { - delim = SDL_strchr(SDLcdrom, ':'); - if ( delim ) { - *delim++ = '\0'; - } -#ifdef DEBUG_CDROM - fprintf(stderr, "Checking CD-ROM drive from SDL_CDROM: %s\n", SDLcdrom); -#endif - if ( CheckDrive(SDLcdrom, NULL, &stbuf) > 0 ) { - AddDrive(SDLcdrom, &stbuf); - } - if ( delim ) { - SDLcdrom = delim; - } else { - SDLcdrom = NULL; - } - } while ( SDLcdrom ); - SDL_stack_free(cdpath); - } - - /* If we found our drives, there's nothing left to do */ - if ( SDL_numcds > 0 ) { - return(0); - } - } - -#ifdef USE_MNTENT - /* Check /dev/cdrom first :-) */ - if (CheckDrive("/dev/cdrom", NULL, &stbuf) > 0) { - AddDrive("/dev/cdrom", &stbuf); - } - - /* Now check the currently mounted CD drives */ - CheckMounts(_PATH_MOUNTED); - - /* Finally check possible mountable drives in /etc/fstab */ - CheckMounts(_PATH_MNTTAB); - - /* If we found our drives, there's nothing left to do */ - if ( SDL_numcds > 0 ) { - return(0); - } -#endif /* USE_MNTENT */ - - /* Scan the system for CD-ROM drives. - Not always 100% reliable, so use the USE_MNTENT code above first. - */ - for ( i=0; checklist[i]; ++i ) { - if ( checklist[i][0] == '?' ) { - char *insert; - exists = 1; - for ( j=checklist[i][1]; exists; ++j ) { - SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", &checklist[i][3]); - insert = SDL_strchr(drive, '?'); - if ( insert != NULL ) { - *insert = j; - } -#ifdef DEBUG_CDROM - fprintf(stderr, "Checking possible CD-ROM drive: %s\n", drive); -#endif - switch (CheckDrive(drive, NULL, &stbuf)) { - /* Drive exists and is a CD-ROM */ - case 1: - AddDrive(drive, &stbuf); - break; - /* Drive exists, but isn't a CD-ROM */ - case 0: - break; - /* Drive doesn't exist */ - case -1: - exists = 0; - break; - } - } - } else { - SDL_snprintf(drive, SDL_arraysize(drive), "/dev/%s", checklist[i]); -#ifdef DEBUG_CDROM - fprintf(stderr, "Checking possible CD-ROM drive: %s\n", drive); -#endif - if ( CheckDrive(drive, NULL, &stbuf) > 0 ) { - AddDrive(drive, &stbuf); - } - } - } - return(0); -} - -/* General ioctl() CD-ROM command function */ -static int SDL_SYS_CDioctl(int id, int command, void *arg) -{ - int retval; - - retval = ioctl(id, command, arg); - if ( retval < 0 ) { - SDL_SetError("ioctl() error: %s", strerror(errno)); - } - return(retval); -} - -static const char *SDL_SYS_CDName(int drive) -{ - return(SDL_cdlist[drive]); -} - -static int SDL_SYS_CDOpen(int drive) -{ - return(open(SDL_cdlist[drive], (O_RDONLY|O_NONBLOCK), 0)); -} - -static int SDL_SYS_CDGetTOC(SDL_CD *cdrom) -{ - struct cdrom_tochdr toc; - int i, okay; - struct cdrom_tocentry entry; - - okay = 0; - if ( SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCHDR, &toc) == 0 ) { - cdrom->numtracks = toc.cdth_trk1-toc.cdth_trk0+1; - if ( cdrom->numtracks > SDL_MAX_TRACKS ) { - cdrom->numtracks = SDL_MAX_TRACKS; - } - /* Read all the track TOC entries */ - for ( i=0; i<=cdrom->numtracks; ++i ) { - if ( i == cdrom->numtracks ) { - cdrom->track[i].id = CDROM_LEADOUT; - } else { - cdrom->track[i].id = toc.cdth_trk0+i; - } - entry.cdte_track = cdrom->track[i].id; - entry.cdte_format = CDROM_MSF; - if ( SDL_SYS_CDioctl(cdrom->id, CDROMREADTOCENTRY, - &entry) < 0 ) { - break; - } else { - if ( entry.cdte_ctrl & CDROM_DATA_TRACK ) { - cdrom->track[i].type = SDL_DATA_TRACK; - } else { - cdrom->track[i].type = SDL_AUDIO_TRACK; - } - cdrom->track[i].offset = MSF_TO_FRAMES( - entry.cdte_addr.msf.minute, - entry.cdte_addr.msf.second, - entry.cdte_addr.msf.frame); - cdrom->track[i].length = 0; - if ( i > 0 ) { - cdrom->track[i-1].length = - cdrom->track[i].offset- - cdrom->track[i-1].offset; - } - } - } - if ( i == (cdrom->numtracks+1) ) { - okay = 1; - } - } - return(okay ? 0 : -1); -} - -/* Get CD-ROM status */ -static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position) -{ - CDstatus status; - struct cdrom_tochdr toc; - struct cdrom_subchnl info; - - info.cdsc_format = CDROM_MSF; - if ( ioctl(cdrom->id, CDROMSUBCHNL, &info) < 0 ) { - if ( ERRNO_TRAYEMPTY(errno) ) { - status = CD_TRAYEMPTY; - } else { - status = CD_ERROR; - } - } else { - switch (info.cdsc_audiostatus) { - case CDROM_AUDIO_INVALID: - case CDROM_AUDIO_NO_STATUS: - /* Try to determine if there's a CD available */ - if (ioctl(cdrom->id, CDROMREADTOCHDR, &toc)==0) - status = CD_STOPPED; - else - status = CD_TRAYEMPTY; - break; - case CDROM_AUDIO_COMPLETED: - status = CD_STOPPED; - break; - case CDROM_AUDIO_PLAY: - status = CD_PLAYING; - break; - case CDROM_AUDIO_PAUSED: - /* Workaround buggy CD-ROM drive */ - if ( info.cdsc_trk == CDROM_LEADOUT ) { - status = CD_STOPPED; - } else { - status = CD_PAUSED; - } - break; - default: - status = CD_ERROR; - break; - } - } - if ( position ) { - if ( status == CD_PLAYING || (status == CD_PAUSED) ) { - *position = MSF_TO_FRAMES( - info.cdsc_absaddr.msf.minute, - info.cdsc_absaddr.msf.second, - info.cdsc_absaddr.msf.frame); - } else { - *position = 0; - } - } - return(status); -} - -/* Start play */ -static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length) -{ - struct cdrom_msf playtime; - - FRAMES_TO_MSF(start, - &playtime.cdmsf_min0, &playtime.cdmsf_sec0, &playtime.cdmsf_frame0); - FRAMES_TO_MSF(start+length, - &playtime.cdmsf_min1, &playtime.cdmsf_sec1, &playtime.cdmsf_frame1); -#ifdef DEBUG_CDROM - fprintf(stderr, "Trying to play from %d:%d:%d to %d:%d:%d\n", - playtime.cdmsf_min0, playtime.cdmsf_sec0, playtime.cdmsf_frame0, - playtime.cdmsf_min1, playtime.cdmsf_sec1, playtime.cdmsf_frame1); -#endif - return(SDL_SYS_CDioctl(cdrom->id, CDROMPLAYMSF, &playtime)); -} - -/* Pause play */ -static int SDL_SYS_CDPause(SDL_CD *cdrom) -{ - return(SDL_SYS_CDioctl(cdrom->id, CDROMPAUSE, 0)); -} - -/* Resume play */ -static int SDL_SYS_CDResume(SDL_CD *cdrom) -{ - return(SDL_SYS_CDioctl(cdrom->id, CDROMRESUME, 0)); -} - -/* Stop play */ -static int SDL_SYS_CDStop(SDL_CD *cdrom) -{ - return(SDL_SYS_CDioctl(cdrom->id, CDROMSTOP, 0)); -} - -/* Eject the CD-ROM */ -static int SDL_SYS_CDEject(SDL_CD *cdrom) -{ - return(SDL_SYS_CDioctl(cdrom->id, CDROMEJECT, 0)); -} - -/* Close the CD-ROM handle */ -static void SDL_SYS_CDClose(SDL_CD *cdrom) -{ - close(cdrom->id); -} - -void SDL_SYS_CDQuit(void) -{ - int i; - - if ( SDL_numcds > 0 ) { - for ( i=0; i