diff src/cdrom/beos/SDL_syscdrom.cc @ 1895:c121d94672cb

SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 10 Jul 2006 21:04:37 +0000
parents 92947e3a18db
children e27bdcc80744
line wrap: on
line diff
--- a/src/cdrom/beos/SDL_syscdrom.cc	Thu Jul 06 18:01:37 2006 +0000
+++ b/src/cdrom/beos/SDL_syscdrom.cc	Mon Jul 10 21:04:37 2006 +0000
@@ -37,7 +37,8 @@
 #include <Path.h>
 
 #include "SDL_cdrom.h"
-extern "C" {
+extern "C"
+{
 #include "../SDL_syscdrom.h"
 }
 
@@ -59,7 +60,7 @@
 #define POS_REL_F(pos)	pos.position[15]
 
 /* The maximum number of CD-ROM drives we'll detect */
-#define MAX_DRIVES	16	
+#define MAX_DRIVES	16
 
 /* A list of available CD-ROM drives */
 static char *SDL_cdlist[MAX_DRIVES];
@@ -67,346 +68,361 @@
 /* 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);
+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);
 int try_dir(const char *directory);
 
 
 /* Check a drive to see if it is a CD-ROM */
-static int CheckDrive(char *drive)
+static int
+CheckDrive(char *drive)
 {
-	struct stat stbuf;
-	int is_cd, cdfd;
-	device_geometry info;
+    struct stat stbuf;
+    int is_cd, cdfd;
+    device_geometry info;
 
-	/* If it doesn't exist, return -1 */
-	if ( stat(drive, &stbuf) < 0 ) {
-		return(-1);
-	}
+    /* 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;
-	cdfd = open(drive, 0);
-	if ( cdfd >= 0 ) {
-		if ( ioctl(cdfd, B_GET_GEOMETRY, &info) == B_NO_ERROR ) {
-			if ( info.device_type == B_CD ) {
-				is_cd = 1;
-			}
-		}
-		close(cdfd);
-	} else {
-		/* This can happen when the drive is open .. (?) */;
-		is_cd = 1;
-	}
-	return(is_cd);
+    /* If it does exist, verify that it's an available CD-ROM */
+    is_cd = 0;
+    cdfd = open(drive, 0);
+    if (cdfd >= 0) {
+        if (ioctl(cdfd, B_GET_GEOMETRY, &info) == B_NO_ERROR) {
+            if (info.device_type == B_CD) {
+                is_cd = 1;
+            }
+        }
+        close(cdfd);
+    } else {
+        /* This can happen when the drive is open .. (?) */ ;
+        is_cd = 1;
+    }
+    return (is_cd);
 }
 
 /* Add a CD-ROM drive to our list of valid drives */
-static void AddDrive(char *drive)
+static void
+AddDrive(char *drive)
 {
-	int i;
-	size_t len;
+    int i;
+    size_t len;
 
-	if ( SDL_numcds < MAX_DRIVES ) {
-		/* Add this drive to our list */
-		i = SDL_numcds;
-		len = SDL_strlen(drive)+1;
-		SDL_cdlist[i] = (char *)SDL_malloc(len);
-		if ( SDL_cdlist[i] == NULL ) {
-			SDL_OutOfMemory();
-			return;
-		}
-		SDL_strlcpy(SDL_cdlist[i], drive, len);
-		++SDL_numcds;
+    if (SDL_numcds < MAX_DRIVES) {
+        /* Add this drive to our list */
+        i = SDL_numcds;
+        len = SDL_strlen(drive) + 1;
+        SDL_cdlist[i] = (char *) SDL_malloc(len);
+        if (SDL_cdlist[i] == NULL) {
+            SDL_OutOfMemory();
+            return;
+        }
+        SDL_strlcpy(SDL_cdlist[i], drive, len);
+        ++SDL_numcds;
 #ifdef CDROM_DEBUG
-  fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
+        fprintf(stderr, "Added CD-ROM drive: %s\n", drive);
 #endif
-	}
+    }
 }
 
 /* IDE bus scanning magic */
-enum {
-	IDE_GET_DEVICES_INFO = B_DEVICE_OP_CODES_END + 50,
+enum
+{
+    IDE_GET_DEVICES_INFO = B_DEVICE_OP_CODES_END + 50,
 };
-struct ide_ctrl_info {
-	bool	ide_0_present;
-	bool	ide_0_master_present;
-	bool	ide_0_slave_present;
-	int	ide_0_master_type;
-	int	ide_0_slave_type;
-	bool	ide_1_present;
-	bool	ide_1_master_present;
-	bool	ide_1_slave_present;
-	int	ide_1_master_type;
-	int	ide_1_slave_type;
+struct ide_ctrl_info
+{
+    bool ide_0_present;
+    bool ide_0_master_present;
+    bool ide_0_slave_present;
+    int ide_0_master_type;
+    int ide_0_slave_type;
+    bool ide_1_present;
+    bool ide_1_master_present;
+    bool ide_1_slave_present;
+    int ide_1_master_type;
+    int ide_1_slave_type;
 };
 
-int  SDL_SYS_CDInit(void)
+int
+SDL_SYS_CDInit(void)
 {
-	char *SDLcdrom;
-	int raw_fd;
-	struct ide_ctrl_info info;
+    char *SDLcdrom;
+    int raw_fd;
+    struct ide_ctrl_info info;
 
-	/* 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;
+    /* 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';
-				}
-				if ( CheckDrive(SDLcdrom) > 0 ) {
-					AddDrive(SDLcdrom);
-				}
-				if ( delim ) {
-					SDLcdrom = delim;
-				} else {
-					SDLcdrom = NULL;
-				}
-			} while ( SDLcdrom );
-			SDL_stack_free(cdpath);
-		}
+    /* 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';
+                }
+                if (CheckDrive(SDLcdrom) > 0) {
+                    AddDrive(SDLcdrom);
+                }
+                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);
-		}
-	}
-	
-	/* Scan the system for CD-ROM drives */
-	try_dir("/dev/disk");
-	return 0;
+        /* If we found our drives, there's nothing left to do */
+        if (SDL_numcds > 0) {
+            return (0);
+        }
+    }
+
+    /* Scan the system for CD-ROM drives */
+    try_dir("/dev/disk");
+    return 0;
 }
 
 
-int try_dir(const char *directory)
-{ 
-	BDirectory dir; 
-	dir.SetTo(directory); 
-	if(dir.InitCheck() != B_NO_ERROR) { 
-		return false; 
-	} 
-	dir.Rewind(); 
-	BEntry entry; 
-	while(dir.GetNextEntry(&entry) >= 0) { 
-		BPath path; 
-		const char *name; 
-		entry_ref e; 
-		
-		if(entry.GetPath(&path) != B_NO_ERROR) 
-			continue; 
-		name = path.Path(); 
-		
-		if(entry.GetRef(&e) != B_NO_ERROR) 
-			continue; 
+int
+try_dir(const char *directory)
+{
+    BDirectory dir;
+    dir.SetTo(directory);
+    if (dir.InitCheck() != B_NO_ERROR) {
+        return false;
+    }
+    dir.Rewind();
+    BEntry entry;
+    while (dir.GetNextEntry(&entry) >= 0) {
+        BPath path;
+        const char *name;
+        entry_ref e;
+
+        if (entry.GetPath(&path) != B_NO_ERROR)
+            continue;
+        name = path.Path();
+
+        if (entry.GetRef(&e) != B_NO_ERROR)
+            continue;
 
-		if(entry.IsDirectory()) { 
-			if(SDL_strcmp(e.name, "floppy") == 0) 
-				continue; /* ignore floppy (it is not silent)  */
-			int devfd = try_dir(name);
-			if(devfd >= 0)
-				return devfd;
-		} 
-		else { 
-			int devfd; 
-			device_geometry g; 
+        if (entry.IsDirectory()) {
+            if (SDL_strcmp(e.name, "floppy") == 0)
+                continue;       /* ignore floppy (it is not silent)  */
+            int devfd = try_dir(name);
+            if (devfd >= 0)
+                return devfd;
+        } else {
+            int devfd;
+            device_geometry g;
 
-			if(SDL_strcmp(e.name, "raw") != 0) 
-				continue; /* ignore partitions */
+            if (SDL_strcmp(e.name, "raw") != 0)
+                continue;       /* ignore partitions */
 
-			devfd = open(name, O_RDONLY); 
-			if(devfd < 0) 
-				continue; 
+            devfd = open(name, O_RDONLY);
+            if (devfd < 0)
+                continue;
 
-			if(ioctl(devfd, B_GET_GEOMETRY, &g, sizeof(g)) >= 0) {
-				if(g.device_type == B_CD)
-				{
-				AddDrive(strdup(name));
-				}
-			}
-			close(devfd);
-		} 
-	}
-	return B_ERROR;
+            if (ioctl(devfd, B_GET_GEOMETRY, &g, sizeof(g)) >= 0) {
+                if (g.device_type == B_CD) {
+                    AddDrive(strdup(name));
+                }
+            }
+            close(devfd);
+        }
+    }
+    return B_ERROR;
 }
 
 
 /* General ioctl() CD-ROM command function */
-static int SDL_SYS_CDioctl(int index, int command, void *arg)
+static int
+SDL_SYS_CDioctl(int index, int command, void *arg)
 {
-	int okay;
-	int fd;
+    int okay;
+    int fd;
 
-	okay = 0;
-	fd = open(SDL_cdlist[index], 0);
-	if ( fd >= 0 ) {
-		if ( ioctl(fd, command, arg) == B_NO_ERROR ) {
-			okay = 1;
-		}
-		close(fd);
-	}
-	return(okay ? 0 : -1);
+    okay = 0;
+    fd = open(SDL_cdlist[index], 0);
+    if (fd >= 0) {
+        if (ioctl(fd, command, arg) == B_NO_ERROR) {
+            okay = 1;
+        }
+        close(fd);
+    }
+    return (okay ? 0 : -1);
 }
 
-static const char *SDL_SYS_CDName(int drive)
+static const char *
+SDL_SYS_CDName(int drive)
 {
-	return(SDL_cdlist[drive]);
-} 
+    return (SDL_cdlist[drive]);
+}
 
-static int SDL_SYS_CDOpen(int drive)
+static int
+SDL_SYS_CDOpen(int drive)
 {
-	return(drive);
+    return (drive);
 }
 
-static int SDL_SYS_CDGetTOC(SDL_CD *cdrom)
+static int
+SDL_SYS_CDGetTOC(SDL_CD * cdrom)
 {
-	int i;
-	scsi_toc toc;
+    int i;
+    scsi_toc toc;
 
-	if ( SDL_SYS_CDioctl(cdrom->id, B_SCSI_GET_TOC, &toc) == 0 ) {
-		cdrom->numtracks = CD_NUMTRACKS(toc);
-		if ( cdrom->numtracks > SDL_MAX_TRACKS ) {
-			cdrom->numtracks = SDL_MAX_TRACKS;
-		}
-		for ( i=0; i<=cdrom->numtracks; ++i ) {
-			cdrom->track[i].id = CD_TRACK_N(toc, i);
-			/* FIXME:  How do we tell on BeOS? */
-			cdrom->track[i].type = SDL_AUDIO_TRACK;
-			cdrom->track[i].offset = MSF_TO_FRAMES(
-							CD_TRACK_M(toc, i),
-							CD_TRACK_S(toc, i),
-							CD_TRACK_F(toc, i));
-			cdrom->track[i].length = 0;
-			if ( i > 0 ) {
-				cdrom->track[i-1].length =
-						cdrom->track[i].offset-
-						cdrom->track[i-1].offset;
-			}
-		}
-		return(0);
-	} else {
-		return(-1);
-	}
+    if (SDL_SYS_CDioctl(cdrom->id, B_SCSI_GET_TOC, &toc) == 0) {
+        cdrom->numtracks = CD_NUMTRACKS(toc);
+        if (cdrom->numtracks > SDL_MAX_TRACKS) {
+            cdrom->numtracks = SDL_MAX_TRACKS;
+        }
+        for (i = 0; i <= cdrom->numtracks; ++i) {
+            cdrom->track[i].id = CD_TRACK_N(toc, i);
+            /* FIXME:  How do we tell on BeOS? */
+            cdrom->track[i].type = SDL_AUDIO_TRACK;
+            cdrom->track[i].offset = MSF_TO_FRAMES(CD_TRACK_M(toc, i),
+                                                   CD_TRACK_S(toc, i),
+                                                   CD_TRACK_F(toc, i));
+            cdrom->track[i].length = 0;
+            if (i > 0) {
+                cdrom->track[i - 1].length =
+                    cdrom->track[i].offset - cdrom->track[i - 1].offset;
+            }
+        }
+        return (0);
+    } else {
+        return (-1);
+    }
 }
 
 /* Get CD-ROM status */
-static CDstatus SDL_SYS_CDStatus(SDL_CD *cdrom, int *position)
+static CDstatus
+SDL_SYS_CDStatus(SDL_CD * cdrom, int *position)
 {
-	CDstatus status;
-	int fd;
-	int cur_frame;
-	scsi_position pos;
+    CDstatus status;
+    int fd;
+    int cur_frame;
+    scsi_position pos;
 
-	fd = open(SDL_cdlist[cdrom->id], 0);
-	cur_frame = 0;
-	if ( fd >= 0 ) {
-		if ( ioctl(fd, B_SCSI_GET_POSITION, &pos) == B_NO_ERROR ) {
-			cur_frame = MSF_TO_FRAMES(
-				POS_ABS_M(pos), POS_ABS_S(pos), POS_ABS_F(pos));
-		}
-		if ( ! pos.position[1] || (pos.position[1] >= 0x13) ||
-			((pos.position[1] == 0x12) && (!pos.position[6])) ) {
-			status = CD_STOPPED;
-		} else
-		if ( pos.position[1] == 0x11 ) {
-			status = CD_PLAYING;
-		} else {
-			status = CD_PAUSED;
-		}
-		close(fd);
-	} else {
-		status = CD_TRAYEMPTY;
-	}
-	if ( position ) {
-		*position = cur_frame;
-	}
-	return(status);
+    fd = open(SDL_cdlist[cdrom->id], 0);
+    cur_frame = 0;
+    if (fd >= 0) {
+        if (ioctl(fd, B_SCSI_GET_POSITION, &pos) == B_NO_ERROR) {
+            cur_frame =
+                MSF_TO_FRAMES(POS_ABS_M(pos), POS_ABS_S(pos), POS_ABS_F(pos));
+        }
+        if (!pos.position[1] || (pos.position[1] >= 0x13) ||
+            ((pos.position[1] == 0x12) && (!pos.position[6]))) {
+            status = CD_STOPPED;
+        } else if (pos.position[1] == 0x11) {
+            status = CD_PLAYING;
+        } else {
+            status = CD_PAUSED;
+        }
+        close(fd);
+    } else {
+        status = CD_TRAYEMPTY;
+    }
+    if (position) {
+        *position = cur_frame;
+    }
+    return (status);
 }
 
 /* Start play */
-static int SDL_SYS_CDPlay(SDL_CD *cdrom, int start, int length)
+static int
+SDL_SYS_CDPlay(SDL_CD * cdrom, int start, int length)
 {
-	int okay;
-	int fd;
-	scsi_play_position pos;
+    int okay;
+    int fd;
+    scsi_play_position pos;
 
-	okay = 0;
-	fd = open(SDL_cdlist[cdrom->id], 0);
-	if ( fd >= 0 ) {
-		FRAMES_TO_MSF(start, &pos.start_m, &pos.start_s, &pos.start_f);
-		FRAMES_TO_MSF(start+length, &pos.end_m, &pos.end_s, &pos.end_f);
-		if ( ioctl(fd, B_SCSI_PLAY_POSITION, &pos) == B_NO_ERROR ) {
-			okay = 1;
-		}
-		close(fd);
-	}
-	return(okay ? 0 : -1);
+    okay = 0;
+    fd = open(SDL_cdlist[cdrom->id], 0);
+    if (fd >= 0) {
+        FRAMES_TO_MSF(start, &pos.start_m, &pos.start_s, &pos.start_f);
+        FRAMES_TO_MSF(start + length, &pos.end_m, &pos.end_s, &pos.end_f);
+        if (ioctl(fd, B_SCSI_PLAY_POSITION, &pos) == B_NO_ERROR) {
+            okay = 1;
+        }
+        close(fd);
+    }
+    return (okay ? 0 : -1);
 }
 
 /* Pause play */
-static int SDL_SYS_CDPause(SDL_CD *cdrom)
+static int
+SDL_SYS_CDPause(SDL_CD * cdrom)
 {
-	return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_PAUSE_AUDIO, 0));
+    return (SDL_SYS_CDioctl(cdrom->id, B_SCSI_PAUSE_AUDIO, 0));
 }
 
 /* Resume play */
-static int SDL_SYS_CDResume(SDL_CD *cdrom)
+static int
+SDL_SYS_CDResume(SDL_CD * cdrom)
 {
-	return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_RESUME_AUDIO, 0));
+    return (SDL_SYS_CDioctl(cdrom->id, B_SCSI_RESUME_AUDIO, 0));
 }
 
 /* Stop play */
-static int SDL_SYS_CDStop(SDL_CD *cdrom)
+static int
+SDL_SYS_CDStop(SDL_CD * cdrom)
 {
-	return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_STOP_AUDIO, 0));
+    return (SDL_SYS_CDioctl(cdrom->id, B_SCSI_STOP_AUDIO, 0));
 }
 
 /* Eject the CD-ROM */
-static int SDL_SYS_CDEject(SDL_CD *cdrom)
+static int
+SDL_SYS_CDEject(SDL_CD * cdrom)
 {
-	return(SDL_SYS_CDioctl(cdrom->id, B_SCSI_EJECT, 0));
+    return (SDL_SYS_CDioctl(cdrom->id, B_SCSI_EJECT, 0));
 }
 
 /* Close the CD-ROM handle */
-static void SDL_SYS_CDClose(SDL_CD *cdrom)
+static void
+SDL_SYS_CDClose(SDL_CD * cdrom)
 {
-	close(cdrom->id);
+    close(cdrom->id);
 }
 
-void SDL_SYS_CDQuit(void)
+void
+SDL_SYS_CDQuit(void)
 {
-	int i;
+    int i;
 
-	if ( SDL_numcds > 0 ) {
-		for ( i=0; i<SDL_numcds; ++i ) {
-			SDL_free(SDL_cdlist[i]);
-		}
-		SDL_numcds = 0;
-	}
+    if (SDL_numcds > 0) {
+        for (i = 0; i < SDL_numcds; ++i) {
+            SDL_free(SDL_cdlist[i]);
+        }
+        SDL_numcds = 0;
+    }
 }
 
 #endif /* SDL_CDROM_BEOS */
+/* vi: set ts=4 sw=4 expandtab: */