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Comparing BasiliskII/src/Unix/sys_unix.cpp (file contents):
Revision 1.24 by gbeauche, 2005-01-30T21:42:14Z vs.
Revision 1.35 by asvitkine, 2012-03-01T04:24:45Z

#	Line 1 | Line 1
1		/*
2		*  sys_unix.cpp - System dependent routines, Unix implementation
3		*
4	<	*  Basilisk II (C) 1997-2005 Christian Bauer
4	>	*  Basilisk II (C) Christian Bauer
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 34 | Line 34
34		#include <linux/fd.h>
35		#include <linux/major.h>
36		#include <linux/kdev_t.h>
37	–	#include <linux/unistd.h>
37		#include <dirent.h>
38	<
40	<	#ifdef __NR__llseek
41	<	_syscall5(int, _llseek, unsigned int, fd, unsigned long, hi, unsigned long, lo, loff_t *, res, unsigned int, wh);
42	<	#else
43	<	static int _llseek(unsigned int fd, unsigned long hi, unsigned long lo, loff_t *res, unsigned int wh)
44	<	{
45	<	if (hi)
46	<	return -1;
47	<	*res = lseek(fd, lo, wh);
48	<	if (*res == -1)
49	<	return -1;
50	<	return 0;
51	<	}
52	<	#endif
38	>	#include <limits.h>
39		#endif
40
41		#if defined(__FreeBSD__) || defined(__NetBSD__)
42		#include <sys/cdio.h>
43		#endif
44
45	+	#if defined __APPLE__ && defined __MACH__
46	+	#include <sys/disk.h>
47	+	#if (defined AQUA || defined HAVE_FRAMEWORK_COREFOUNDATION)
48	+	#ifndef __MACOSX__
49	+	#define __MACOSX__ MAC_OS_X_VERSION_MIN_REQUIRED
50	+	#endif
51	+	#endif
52	+	#endif
53	+
54		#include "main.h"
55		#include "macos_util.h"
56		#include "prefs.h"
57		#include "user_strings.h"
58		#include "sys.h"
59
60	+	#if defined(BINCUE)
61	+	#include "bincue_unix.h"
62	+	#endif
63	+
64	+	#if defined(HAVE_LIBVHD)
65	+	#include "vhd_unix.h"
66	+	#endif
67	+
68	+
69		#define DEBUG 0
70		#include "debug.h"
71
68	–
72		// File handles are pointers to these structures
73	<	struct file_handle {
74	<	char *name;             // Copy of device/file name
73	>	struct mac_file_handle {
74	>	char *name;             // Copy of device/file name
75		int fd;
76	+
77		bool is_file;           // Flag: plain file or /dev/something?
78		bool is_floppy;         // Flag: floppy device
79		bool is_cdrom;          // Flag: CD-ROM device
80		bool read_only;         // Copy of Sys_open() flag
81	+
82		loff_t start_byte;      // Size of file header (if any)
83		loff_t file_size;       // Size of file data (only valid if is_file is true)
84
85	+	bool is_media_present;          // Flag: media is inserted and available
86	+
87		#if defined(__linux__)
88		int cdrom_cap;          // CD-ROM capability flags (only valid if is_cdrom is true)
89		#elif defined(__FreeBSD__)
90		struct ioc_capability cdrom_cap;
91		#elif defined(__APPLE__) && defined(__MACH__)
92	<	char    *ioctl_name;    // For CDs on OS X - a device for special ioctls
93	<	int             ioctl_fd;
92	>	char *ioctl_name;       // For CDs on OS X - a device for special ioctls
93	>	int ioctl_fd;
94	>	#endif
95	>
96	>	#if defined(BINCUE)
97	>	bool is_bincue;         // Flag: BIN CUE file
98	>	void *bincue_fd;
99		#endif
100	+
101	+	#if defined(HAVE_LIBVHD)
102	+	bool is_vhd;            // Flag: VHD file
103	+	void *vhd_fd;
104	+	#endif
105	+	};
106	+
107	+	// Open file handles
108	+	struct open_mac_file_handle {
109	+	mac_file_handle *fh;
110	+	open_mac_file_handle *next;
111		};
112	+	static open_mac_file_handle *open_mac_file_handles = NULL;
113
114		// File handle of first floppy drive (for SysMountFirstFloppy())
115	<	static file_handle *first_floppy = NULL;
115	>	static mac_file_handle *first_floppy = NULL;
116	>
117	>	// Prototypes
118	>	static void cdrom_close(mac_file_handle *fh);
119	>	static bool cdrom_open(mac_file_handle *fh, const char *path = NULL);
120
121
122		/*
#	Line 97 | Line 125 | static file_handle *first_floppy = NULL;
125
126		void SysInit(void)
127		{
128	+	#if defined __MACOSX__
129	+	extern void DarwinSysInit(void);
130	+	DarwinSysInit();
131	+	#endif
132		}
133
134
#	Line 106 | Line 138 | void SysInit(void)
138
139		void SysExit(void)
140		{
141	+	#if defined __MACOSX__
142	+	extern void DarwinSysExit(void);
143	+	DarwinSysExit();
144	+	#endif
145	+	}
146	+
147	+
148	+	/*
149	+	*  Manage open file handles
150	+	*/
151	+
152	+	static void sys_add_mac_file_handle(mac_file_handle *fh)
153	+	{
154	+	open_mac_file_handle *p = new open_mac_file_handle;
155	+	p->fh = fh;
156	+	p->next = open_mac_file_handles;
157	+	open_mac_file_handles = p;
158	+	}
159	+
160	+	static void sys_remove_mac_file_handle(mac_file_handle *fh)
161	+	{
162	+	open_mac_file_handle *p = open_mac_file_handles;
163	+	open_mac_file_handle *q = NULL;
164	+
165	+	while (p) {
166	+	if (p->fh == fh) {
167	+	if (q)
168	+	q->next = p->next;
169	+	else
170	+	open_mac_file_handles = p->next;
171	+	delete p;
172	+	break;
173	+	}
174	+	q = p;
175	+	p = p->next;
176	+	}
177	+	}
178	+
179	+
180	+	/*
181	+	*  Account for media that has just arrived
182	+	*/
183	+
184	+	void SysMediaArrived(const char *path, int type)
185	+	{
186	+	// Replace the "cdrom" entry (we are polling, it's unique)
187	+	if (type == MEDIA_CD && !PrefsFindBool("nocdrom"))
188	+	PrefsReplaceString("cdrom", path);
189	+
190	+	// Wait for media to be available for reading
191	+	if (open_mac_file_handles) {
192	+	const int MAX_WAIT = 5;
193	+	for (int i = 0; i < MAX_WAIT; i++) {
194	+	if (access(path, R_OK) == 0)
195	+	break;
196	+	switch (errno) {
197	+	case ENOENT: // Unlikely
198	+	case EACCES: // MacOS X is mounting the media
199	+	sleep(1);
200	+	continue;
201	+	}
202	+	printf("WARNING: Cannot access %s (%s)\n", path, strerror(errno));
203	+	return;
204	+	}
205	+	}
206	+
207	+	for (open_mac_file_handle *p = open_mac_file_handles; p != NULL; p = p->next) {
208	+	mac_file_handle * const fh = p->fh;
209	+
210	+	// Re-open CD-ROM device
211	+	if (fh->is_cdrom && type == MEDIA_CD) {
212	+	cdrom_close(fh);
213	+	if (cdrom_open(fh, path)) {
214	+	fh->is_media_present = true;
215	+	MountVolume(fh);
216	+	}
217	+	}
218	+	}
219	+	}
220	+
221	+
222	+	/*
223	+	*  Account for media that has just been removed
224	+	*/
225	+
226	+	void SysMediaRemoved(const char *path, int type)
227	+	{
228	+	if ((type & MEDIA_REMOVABLE) != MEDIA_CD)
229	+	return;
230	+
231	+	for (open_mac_file_handle *p = open_mac_file_handles; p != NULL; p = p->next) {
232	+	mac_file_handle * const fh = p->fh;
233	+
234	+	// Mark media as not available
235	+	if (!fh->is_cdrom || !fh->is_media_present)
236	+	continue;
237	+	if (fh->name && strcmp(fh->name, path) == 0) {
238	+	fh->is_media_present = false;
239	+	break;
240	+	}
241	+	#if defined __MACOSX__
242	+	if (fh->ioctl_name && strcmp(fh->ioctl_name, path) == 0) {
243	+	fh->is_media_present = false;
244	+	break;
245	+	}
246	+	#endif
247	+	}
248		}
249
250
#	Line 128 | Line 267 | void SysMountFirstFloppy(void)
267		void SysAddFloppyPrefs(void)
268		{
269		#if defined(__linux__)
270	<	if (access("/dev/.devfsd", F_OK) < 0) {
271	<	PrefsAddString("floppy", "/dev/fd0u1440");
272	<	PrefsAddString("floppy", "/dev/fd1u1440");
273	<	} else {
274	<	DIR *fd_dir = opendir("/dev/floppy");
275	<	if (fd_dir) {
276	<	struct dirent *floppy_dev;
277	<	while ((floppy_dev = readdir(fd_dir)) != NULL) {
139	<	if (strstr(floppy_dev->d_name, "u1440") != NULL) {
140	<	char fd_dev[20];
141	<	sprintf(fd_dev, "/dev/floppy/%s", floppy_dev->d_name);
142	<	PrefsAddString("floppy", fd_dev);
143	<	}
270	>	DIR *fd_dir = opendir("/dev/floppy");
271	>	if (fd_dir) {
272	>	struct dirent *floppy_dev;
273	>	while ((floppy_dev = readdir(fd_dir)) != NULL) {
274	>	if (strstr(floppy_dev->d_name, "u1440") != NULL) {
275	>	char fd_dev[20];
276	>	sprintf(fd_dev, "/dev/floppy/%s", floppy_dev->d_name);
277	>	PrefsAddString("floppy", fd_dev);
278		}
145	–	closedir(fd_dir);
279		}
280	+	closedir(fd_dir);
281	+	} else {
282	+	PrefsAddString("floppy", "/dev/fd0");
283	+	PrefsAddString("floppy", "/dev/fd1");
284		}
285		#elif defined(__NetBSD__)
286		PrefsAddString("floppy", "/dev/fd0a");
287		PrefsAddString("floppy", "/dev/fd1a");
288		#elif defined(__APPLE__) && defined(__MACH__)
289	<	#if defined(AQUA) || defined(HAVE_FRAMEWORK_IOKIT)
289	>	#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION)
290		extern  void DarwinAddFloppyPrefs(void);
291
292		DarwinAddFloppyPrefs();
#	Line 228 | Line 365 | void SysAddCDROMPrefs(void)
365		closedir(cd_dir);
366		}
367		}
368	<	#elif defined(__APPLE__) && defined(__MACH__)
369	<	#if defined(AQUA) || defined(HAVE_FRAMEWORK_IOKIT)
370	<	extern  void DarwinAddCDROMPrefs(void);
371	<
372	<	DarwinAddCDROMPrefs();
373	<	#else
237	<	// Until I can convince the other guys that my Darwin code is useful,
238	<	// we just do nothing (it is safe to have no cdrom device)
239	<	#endif
368	>	#elif defined __MACOSX__
369	>	// There is no predefined path for CD-ROMs on MacOS X. Rather, we
370	>	// define a single fake CD-ROM entry for the emulated MacOS.
371	>	// XXX this means we handle only CD-ROM drive at a time, wherever
372	>	// the disk is, the latest one is used.
373	>	PrefsAddString("cdrom", "/dev/poll/cdrom");
374		#elif defined(__FreeBSD__) || defined(__NetBSD__)
375		PrefsAddString("cdrom", "/dev/cd0c");
376		#endif
#	Line 264 | Line 398 | void SysAddSerialPrefs(void)
398		PrefsAddString("seriala", "/dev/tty00");
399		PrefsAddString("serialb", "/dev/tty01");
400		#elif defined(__APPLE__) && defined(__MACH__)
401	<	#if defined(AQUA) || defined(HAVE_FRAMEWORK_IOKIT)
401	>	#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION)
402		extern  void DarwinAddSerialPrefs(void);
403
404		DarwinAddSerialPrefs();
#	Line 279 | Line 413 | void SysAddSerialPrefs(void)
413
414
415		/*
416	+	*  Open CD-ROM device and initialize internal data
417	+	*/
418	+
419	+	static bool cdrom_open_1(mac_file_handle *fh)
420	+	{
421	+	#if defined __MACOSX__
422	+	// In OS X, the device name is OK for sending ioctls to,
423	+	// but not for reading raw CDROM data from.
424	+	// (it seems to have extra data padded in)
425	+	//
426	+	// So, we keep the already opened file handle,
427	+	// and open a slightly different file for CDROM data
428	+	//
429	+	fh->ioctl_fd = fh->fd;
430	+	fh->ioctl_name = fh->name;
431	+	fh->fd = -1;
432	+	fh->name = (char *)malloc(strlen(fh->ioctl_name) + 3);
433	+	if (fh->name) {
434	+	strcpy(fh->name, fh->ioctl_name);
435	+	strcat(fh->name, "s1");
436	+	fh->fd = open(fh->name, O_RDONLY, O_NONBLOCK);
437	+	}
438	+	if (fh->ioctl_fd < 0)
439	+	return false;
440	+	#endif
441	+	return true;
442	+	}
443	+
444	+	bool cdrom_open(mac_file_handle *fh, const char *path)
445	+	{
446	+	if (path)
447	+	fh->name = strdup(path);
448	+	fh->fd = open(fh->name, O_RDONLY, O_NONBLOCK);
449	+	fh->start_byte = 0;
450	+	if (!cdrom_open_1(fh))
451	+	return false;
452	+	return fh->fd >= 0;
453	+	}
454	+
455	+
456	+	/*
457	+	*  Close a CD-ROM device
458	+	*/
459	+
460	+	void cdrom_close(mac_file_handle *fh)
461	+	{
462	+
463	+	if (fh->fd >= 0) {
464	+	close(fh->fd);
465	+	fh->fd = -1;
466	+	}
467	+	if (fh->name) {
468	+	free(fh->name);
469	+	fh->name = NULL;
470	+	}
471	+	#if defined __MACOSX__
472	+	if (fh->ioctl_fd >= 0) {
473	+	close(fh->ioctl_fd);
474	+	fh->ioctl_fd = -1;
475	+	}
476	+	if (fh->ioctl_name) {
477	+	free(fh->ioctl_name);
478	+	fh->ioctl_name = NULL;
479	+	}
480	+	#endif
481	+	}
482	+
483	+
484	+	/*
485		*  Check if device is a mounted HFS volume, get mount name
486		*/
487
#	Line 315 | Line 518 | static bool is_drive_mounted(const char
518		/*
519		*  Open file/device, create new file handle (returns NULL on error)
520		*/
521	+
522	+	static mac_file_handle *open_filehandle(const char *name)
523	+	{
524	+	mac_file_handle *fh = new mac_file_handle;
525	+	memset(fh, 0, sizeof(mac_file_handle));
526	+	fh->name = strdup(name);
527	+	fh->fd = -1;
528	+	#if defined __MACOSX__
529	+	fh->ioctl_fd = -1;
530	+	fh->ioctl_name = NULL;
531	+	#endif
532	+	return fh;
533	+	}
534
535		void *Sys_open(const char *name, bool read_only)
536		{
#	Line 325 | Line 541 | void *Sys_open(const char *name, bool re
541		#else
542		bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0;
543		#endif
544	+	bool is_floppy = strncmp(name, "/dev/fd", 7) == 0;
545
546	<	#if defined(__APPLE__) && defined(__MACH__)
547	<	//
546	>	bool is_polled_media = strncmp(name, "/dev/poll/", 10) == 0;
547	>	if (is_floppy) // Floppy open fails if there's no disk inserted
548	>	is_polled_media = true;
549	>
550	>	#if defined __MACOSX__
551		// There is no set filename in /dev which is the cdrom,
552		// so we have to see if it is any of the devices that we found earlier
333	–	//
334	–	const char      *cdrom;
335	–	int                     tmp = 0;
336	–
337	–	while ( (cdrom = PrefsFindString("cdrom", tmp) ) != NULL )
553		{
554	<	if ( strcmp(name, cdrom) == 0 )
555	<	{
556	<	is_cdrom = 1;
557	<	read_only = 1;
558	<	break;
554	>	int index = 0;
555	>	const char *str;
556	>	while ((str = PrefsFindString("cdrom", index++)) != NULL) {
557	>	if (is_polled_media || strcmp(str, name) == 0) {
558	>	is_cdrom = true;
559	>	read_only = true;
560	>	break;
561	>	}
562		}
345	–	++tmp;
563		}
564		#endif
565
#	Line 367 | Line 584 | void *Sys_open(const char *name, bool re
584		}
585
586		// Open file/device
587	<	#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__)
587	>
588	>	#if defined(BINCUE)
589	>	void *binfd = open_bincue(name);
590	>	if (binfd) {
591	>	mac_file_handle *fh = open_filehandle(name);
592	>	D(bug("opening %s as bincue\n", name));
593	>	fh->bincue_fd = binfd;
594	>	fh->is_bincue = true;
595	>	fh->read_only = true;
596	>	fh->is_media_present = true;
597	>	sys_add_mac_file_handle(fh);
598	>	return fh;
599	>	}
600	>	#endif
601	>
602	>
603	>	#if defined(HAVE_LIBVHD)
604	>	int vhdsize;
605	>	void *vhdfd = vhd_unix_open(name, &vhdsize, read_only);
606	>	if (vhdfd) {
607	>	mac_file_handle *fh = open_filehandle(name);
608	>	D(bug("opening %s as vnd\n", name));
609	>	fh->is_vhd = true;
610	>	fh->vhd_fd = vhdfd;
611	>	fh->read_only = read_only;
612	>	fh->file_size = vhdsize;
613	>	fh->is_media_present = true;
614	>	sys_add_mac_file_handle(fh);
615	>	return fh;
616	>	}
617	>	#endif
618	>
619	>	#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__MACOSX__)
620		int fd = open(name, (read_only ? O_RDONLY : O_RDWR) | (is_cdrom ? O_NONBLOCK : 0));
621		#else
622		int fd = open(name, read_only ? O_RDONLY : O_RDWR);
#	Line 377 | Line 626 | void *Sys_open(const char *name, bool re
626		read_only = true;
627		fd = open(name, O_RDONLY);
628		}
629	<	if (fd >= 0) {
630	<	file_handle *fh = new file_handle;
382	<	fh->name = strdup(name);
629	>	if (fd >= 0 || is_polled_media) {
630	>	mac_file_handle *fh = open_filehandle(name);
631		fh->fd = fd;
632		fh->is_file = is_file;
633		fh->read_only = read_only;
634	<	fh->start_byte = 0;
635	<	fh->is_floppy = false;
388	<	fh->is_cdrom = false;
634	>	fh->is_floppy = is_floppy;
635	>	fh->is_cdrom = is_cdrom;
636		if (fh->is_file) {
637	+	fh->is_media_present = true;
638		// Detect disk image file layout
639		loff_t size = 0;
392	–	#if defined(__linux__)
393	–	_llseek(fh->fd, 0, 0, &size, SEEK_END);
394	–	#else
640		size = lseek(fd, 0, SEEK_END);
396	–	#endif
641		uint8 data[256];
642		lseek(fd, 0, SEEK_SET);
643		read(fd, data, 256);
#	Line 401 | Line 645 | void *Sys_open(const char *name, bool re
645		} else {
646		struct stat st;
647		if (fstat(fd, &st) == 0) {
648	+	fh->is_media_present = true;
649		if (S_ISBLK(st.st_mode)) {
650		fh->is_cdrom = is_cdrom;
651		#if defined(__linux__)
#	Line 411 | Line 656 | void *Sys_open(const char *name, bool re
656		if (fh->cdrom_cap < 0)
657		fh->cdrom_cap = 0;
658		}
414	–	#else
415	–	fh->cdrom_cap = 0;
659		#endif
660		#elif defined(__FreeBSD__)
661		fh->is_floppy = ((st.st_rdev >> 16) == 2);
#	Line 421 | Line 664 | void *Sys_open(const char *name, bool re
664		if (ioctl(fh->fd, CDIOCCAPABILITY, &fh->cdrom_cap) < 0)
665		memset(&fh->cdrom_cap, 0, sizeof(fh->cdrom_cap));
666		}
424	–	#else
425	–	fh->cdrom_cap = 0;
667		#endif
668		#elif defined(__NetBSD__)
669		fh->is_floppy = ((st.st_rdev >> 16) == 2);
670		#endif
671		}
672	<	#if defined(__APPLE__) && defined(__MACH__)
673	<
674	<	// In OS X, the device name is OK for sending ioctls to,
675	<	// but not for reading raw CDROM data from.
676	<	// (it seems to have extra data padded in)
677	<	//
437	<	// So, we keep the already opened fiole handle,
438	<	// and open a slightly different file for CDROM data
439	<	//
440	<	if ( is_cdrom )
441	<	{
442	<	fh->ioctl_name  = fh->name;
443	<	fh->ioctl_fd    = fh->fd;
444	<
445	<	fh->name = (char *) malloc(strlen(name) + 2);
446	<	if ( fh->name )
447	<	{
448	<	*fh->name = '\0';
449	<	strcat(fh->name, name);
450	<	strcat(fh->name, "s1");
451	<	fh->fd = open(fh->name, (read_only ? O_RDONLY : O_RDWR));
452	<	if ( fh->fd < 0 ) {
453	<	printf("WARNING: Cannot open %s (%s)\n",
454	<	fh->name, strerror(errno));
455	<	return NULL;
456	<	}
457	<	}
672	>	#if defined __MACOSX__
673	>	if (is_cdrom) {
674	>	fh->is_cdrom = true;
675	>	fh->is_floppy = false;
676	>	if (cdrom_open_1(fh))
677	>	fh->is_media_present = true;
678		}
679		#endif
680		}
681		}
682		if (fh->is_floppy && first_floppy == NULL)
683		first_floppy = fh;
684	+	sys_add_mac_file_handle(fh);
685		return fh;
686		} else {
687		printf("WARNING: Cannot open %s (%s)\n", name, strerror(errno));
#	Line 475 | Line 696 | void *Sys_open(const char *name, bool re
696
697		void Sys_close(void *arg)
698		{
699	<	file_handle *fh = (file_handle *)arg;
699	>	mac_file_handle *fh = (mac_file_handle *)arg;
700		if (!fh)
701		return;
702
703	<	close(fh->fd);
703	>	sys_remove_mac_file_handle(fh);
704	>
705	>	#if defined(HAVE_LIBVHD)
706	>	if (fh->is_vhd)
707	>	vhd_unix_close(fh->vhd_fd);
708	>	#endif
709	>
710	>	#if defined(BINCUE)
711	>	if (fh->is_bincue)
712	>	close_bincue(fh->bincue_fd);
713	>	#endif
714	>
715	>	if (fh->is_cdrom)
716	>	cdrom_close(fh);
717	>	if (fh->fd >= 0)
718	>	close(fh->fd);
719		if (fh->name)
720		free(fh->name);
721		delete fh;
#	Line 493 | Line 729 | void Sys_close(void *arg)
729
730		size_t Sys_read(void *arg, void *buffer, loff_t offset, size_t length)
731		{
732	<	file_handle *fh = (file_handle *)arg;
732	>	mac_file_handle *fh = (mac_file_handle *)arg;
733		if (!fh)
734		return 0;
735
736	+	#if defined(BINCUE)
737	+	if (fh->is_bincue)
738	+	return read_bincue(fh->bincue_fd, buffer, offset, length);
739	+	#endif
740	+
741	+	#if defined(HAVE_LIBVHD)
742	+	if (fh->is_vhd)
743	+	return vhd_unix_read(fh->vhd_fd, buffer, offset, length);
744	+	#endif
745	+
746		// Seek to position
501	–	#if defined(__linux__)
502	–	loff_t pos = offset + fh->start_byte, res;
503	–	if (_llseek(fh->fd, pos >> 32, pos, &res, SEEK_SET) < 0)
504	–	return 0;
505	–	#else
747		if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0)
748		return 0;
508	–	#endif
749
750		// Read data
751		return read(fh->fd, buffer, length);
#	Line 519 | Line 759 | size_t Sys_read(void *arg, void *buffer,
759
760		size_t Sys_write(void *arg, void *buffer, loff_t offset, size_t length)
761		{
762	<	file_handle *fh = (file_handle *)arg;
762	>	mac_file_handle *fh = (mac_file_handle *)arg;
763		if (!fh)
764		return 0;
765
766	+	#if defined(HAVE_LIBVHD)
767	+	if (fh->is_vhd)
768	+	return vhd_unix_write(fh->vhd_fd, buffer, offset, length);
769	+	#endif
770	+
771		// Seek to position
527	–	#if defined(__linux__)
528	–	loff_t pos = offset + fh->start_byte, res;
529	–	if (_llseek(fh->fd, pos >> 32, pos, &res, SEEK_SET) < 0)
530	–	return 0;
531	–	#else
772		if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0)
773		return 0;
534	–	#endif
774
775		// Write data
776		return write(fh->fd, buffer, length);
#	Line 544 | Line 783 | size_t Sys_write(void *arg, void *buffer
783
784		loff_t SysGetFileSize(void *arg)
785		{
786	<	file_handle *fh = (file_handle *)arg;
786	>	mac_file_handle *fh = (mac_file_handle *)arg;
787		if (!fh)
788		return true;
789
790	+	#if defined(BINCUE)
791	+	if (fh->is_bincue)
792	+	return size_bincue(fh->bincue_fd);
793	+	#endif
794	+
795	+	#if defined(HAVE_LIBVHD)
796	+	if (fh->is_vhd)
797	+	return fh->file_size;
798	+	#endif
799	+
800		if (fh->is_file)
801		return fh->file_size;
802		else {
#	Line 557 | Line 806 | loff_t SysGetFileSize(void *arg)
806		return 0;
807		D(bug(" BLKGETSIZE returns %d blocks\n", blocks));
808		return (loff_t)blocks * 512;
809	+	#elif defined __MACOSX__
810	+	uint32 block_size;
811	+	if (ioctl(fh->ioctl_fd, DKIOCGETBLOCKSIZE, &block_size) < 0)
812	+	return 0;
813	+	D(bug(" DKIOCGETBLOCKSIZE returns %lu bytes\n", (unsigned long)block_size));
814	+	uint64 block_count;
815	+	if (ioctl(fh->ioctl_fd, DKIOCGETBLOCKCOUNT, &block_count) < 0)
816	+	return 0;
817	+	D(bug(" DKIOCGETBLOCKCOUNT returns %llu blocks\n", (unsigned long long)block_count));
818	+	return block_count * block_size;
819		#else
820		return lseek(fh->fd, 0, SEEK_END) - fh->start_byte;
821		#endif
#	Line 570 | Line 829 | loff_t SysGetFileSize(void *arg)
829
830		void SysEject(void *arg)
831		{
832	<	file_handle *fh = (file_handle *)arg;
832	>	mac_file_handle *fh = (mac_file_handle *)arg;
833		if (!fh)
834		return;
835
836		#if defined(__linux__)
837		if (fh->is_floppy) {
838	<	fsync(fh->fd);
839	<	ioctl(fh->fd, FDFLUSH);
840	<	ioctl(fh->fd, FDEJECT);
841	<	close(fh->fd);  // Close and reopen so the driver will see the media change
838	>	if (fh->fd >= 0) {
839	>	fsync(fh->fd);
840	>	ioctl(fh->fd, FDFLUSH);
841	>	ioctl(fh->fd, FDEJECT);
842	>	close(fh->fd);  // Close and reopen so the driver will see the media change
843	>	}
844		fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
845		} else if (fh->is_cdrom) {
846		ioctl(fh->fd, CDROMEJECT);
#	Line 595 | Line 856 | void SysEject(void *arg)
856		fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
857		}
858		#elif defined(__APPLE__) && defined(__MACH__)
859	<	if ( fh->is_cdrom ) {
599	<
600	<	// Stolen from IOKit/storage/IOMediaBSDClient.h
601	<	#define DKIOCEJECT _IO('d', 21)
602	<
859	>	if (fh->is_cdrom && fh->is_media_present) {
860		close(fh->fd);
861	<	if ( ioctl(fh->ioctl_fd, DKIOCEJECT) < 0 )
862	<	{
863	<	printf("ioctl(DKIOCEJECT) failed on file %s: %s\n",
864	<	fh->ioctl_name, strerror(errno));
608	<
609	<	// If we are running OSX, the device may be is busy
610	<	// due to the Finder having the disk mounted and open,
611	<	// so we have to use another method.
612	<
613	<	// The only problem is that this takes about 5 seconds:
614	<
615	<	char    *cmd = (char *) malloc(30+sizeof(fh->name));
861	>	fh->fd = -1;
862	>	if (ioctl(fh->ioctl_fd, DKIOCEJECT) < 0) {
863	>	D(bug(" DKIOCEJECT failed on file %s: %s\n",
864	>	fh->ioctl_name, strerror(errno)));
865
866	<	if ( ! cmd )
867	<	return;
866	>	// If we are running MacOS X, the device may be in busy
867	>	// state because the Finder has mounted the disk
868		close(fh->ioctl_fd);
869	<	sprintf(cmd, "diskutil eject %s 2>&1 >/dev/null", fh->name);
869	>	fh->ioctl_fd = -1;
870	>
871	>	// Try to use "diskutil eject" but it can take up to 5
872	>	// seconds to complete
873	>	static const char eject_cmd[] = "/usr/sbin/diskutil eject %s 2>&1 >/dev/null";
874	>	char *cmd = (char *)alloca(strlen(eject_cmd) + strlen(fh->ioctl_name) + 1);
875	>	sprintf(cmd, eject_cmd, fh->ioctl_name);
876		system(cmd);
877		}
878	+	fh->is_media_present = false;
879		}
880		#endif
881		}
#	Line 631 | Line 887 | void SysEject(void *arg)
887
888		bool SysFormat(void *arg)
889		{
890	<	file_handle *fh = (file_handle *)arg;
890	>	mac_file_handle *fh = (mac_file_handle *)arg;
891		if (!fh)
892		return false;
893
#	Line 646 | Line 902 | bool SysFormat(void *arg)
902
903		bool SysIsReadOnly(void *arg)
904		{
905	<	file_handle *fh = (file_handle *)arg;
905	>	mac_file_handle *fh = (mac_file_handle *)arg;
906		if (!fh)
907		return true;
908
909		#if defined(__linux__)
910		if (fh->is_floppy) {
911	<	struct floppy_drive_struct stat;
912	<	ioctl(fh->fd, FDGETDRVSTAT, &stat);
913	<	return !(stat.flags & FD_DISK_WRITABLE);
911	>	if (fh->fd >= 0) {
912	>	struct floppy_drive_struct stat;
913	>	ioctl(fh->fd, FDGETDRVSTAT, &stat);
914	>	return !(stat.flags & FD_DISK_WRITABLE);
915	>	} else
916	>	return true;
917		} else
918		#endif
919		return fh->read_only;
#	Line 667 | Line 926 | bool SysIsReadOnly(void *arg)
926
927		bool SysIsFixedDisk(void *arg)
928		{
929	<	file_handle *fh = (file_handle *)arg;
929	>	mac_file_handle *fh = (mac_file_handle *)arg;
930		if (!fh)
931		return true;
932
933	+	#if defined(HAVE_LIBVHD)
934	+	if (fh->is_vhd)
935	+	return true;
936	+	#endif
937	+
938		if (fh->is_file)
939		return true;
940		else if (fh->is_floppy || fh->is_cdrom)
#	Line 686 | Line 950 | bool SysIsFixedDisk(void *arg)
950
951		bool SysIsDiskInserted(void *arg)
952		{
953	<	file_handle *fh = (file_handle *)arg;
953	>	mac_file_handle *fh = (mac_file_handle *)arg;
954		if (!fh)
955		return false;
956
957	+	#if defined(HAVE_LIBVHD)
958	+	if (fh->is_vhd)
959	+	return true;
960	+	#endif
961	+
962		if (fh->is_file) {
963		return true;
964
#	Line 729 | Line 998 | bool SysIsDiskInserted(void *arg)
998		} else if (fh->is_cdrom) {
999		struct ioc_toc_header header;
1000		return ioctl(fh->fd, CDIOREADTOCHEADER, &header) == 0;
1001	+	#elif defined __MACOSX__
1002	+	} else if (fh->is_cdrom || fh->is_floppy) {
1003	+	return fh->is_media_present;
1004		#endif
1005
1006		} else
#	Line 742 | Line 1014 | bool SysIsDiskInserted(void *arg)
1014
1015		void SysPreventRemoval(void *arg)
1016		{
1017	<	file_handle *fh = (file_handle *)arg;
1017	>	mac_file_handle *fh = (mac_file_handle *)arg;
1018		if (!fh)
1019		return;
1020
#	Line 759 | Line 1031 | void SysPreventRemoval(void *arg)
1031
1032		void SysAllowRemoval(void *arg)
1033		{
1034	<	file_handle *fh = (file_handle *)arg;
1034	>	mac_file_handle *fh = (mac_file_handle *)arg;
1035		if (!fh)
1036		return;
1037
#	Line 776 | Line 1048 | void SysAllowRemoval(void *arg)
1048
1049		bool SysCDReadTOC(void *arg, uint8 *toc)
1050		{
1051	<	file_handle *fh = (file_handle *)arg;
1051	>	mac_file_handle *fh = (mac_file_handle *)arg;
1052		if (!fh)
1053		return false;
1054
1055	+	#if defined(BINCUE)
1056	+	if (fh->is_bincue)
1057	+	return readtoc_bincue(fh->bincue_fd, toc);
1058	+	#endif
1059	+
1060		if (fh->is_cdrom) {
1061	+
1062		#if defined(__linux__)
1063		uint8 *p = toc + 2;
1064
#	Line 827 | Line 1105 | bool SysCDReadTOC(void *arg, uint8 *toc)
1105		*toc++ = toc_size >> 8;
1106		*toc++ = toc_size & 0xff;
1107		return true;
1108	<	#elif defined(__APPLE__) && defined(__MACH__) && defined(MAC_OS_X_VERSION_10_2)
1109	<	extern  bool    DarwinCDReadTOC(char *name, uint8 *toc);
1110	<
1111	<	return  DarwinCDReadTOC(fh->name, toc);
1108	>	#elif defined __MACOSX__ && defined MAC_OS_X_VERSION_10_2
1109	>	if (fh->is_media_present) {
1110	>	extern bool DarwinCDReadTOC(char *name, uint8 *toc);
1111	>	return DarwinCDReadTOC(fh->name, toc);
1112	>	}
1113	>	return false;
1114		#elif defined(__FreeBSD__)
1115		uint8 *p = toc + 2;
1116
#	Line 915 | Line 1195 | bool SysCDReadTOC(void *arg, uint8 *toc)
1195
1196		bool SysCDGetPosition(void *arg, uint8 *pos)
1197		{
1198	<	file_handle *fh = (file_handle *)arg;
1198	>	mac_file_handle *fh = (mac_file_handle *)arg;
1199		if (!fh)
1200		return false;
1201
1202	+	#if defined(BINCUE)
1203	+	if (fh->is_bincue)
1204	+	return GetPosition_bincue(fh->bincue_fd, pos);
1205	+	#endif
1206	+
1207		if (fh->is_cdrom) {
1208		#if defined(__linux__)
1209		cdrom_subchnl chan;
#	Line 980 | Line 1265 | bool SysCDGetPosition(void *arg, uint8 *
1265
1266		bool SysCDPlay(void *arg, uint8 start_m, uint8 start_s, uint8 start_f, uint8 end_m, uint8 end_s, uint8 end_f)
1267		{
1268	<	file_handle *fh = (file_handle *)arg;
1268	>	mac_file_handle *fh = (mac_file_handle *)arg;
1269		if (!fh)
1270		return false;
1271
1272	+	#if defined(BINCUE)
1273	+	if (fh->is_bincue)
1274	+	return CDPlay_bincue(fh->bincue_fd, start_m, start_s, start_f, end_m, end_s, end_f);
1275	+	#endif
1276	+
1277		if (fh->is_cdrom) {
1278		#if defined(__linux__)
1279		cdrom_msf play;
#	Line 1017 | Line 1307 | bool SysCDPlay(void *arg, uint8 start_m,
1307
1308		bool SysCDPause(void *arg)
1309		{
1310	<	file_handle *fh = (file_handle *)arg;
1310	>	mac_file_handle *fh = (mac_file_handle *)arg;
1311		if (!fh)
1312		return false;
1313
1314	+	#if defined(BINCUE)
1315	+	if (fh->is_bincue)
1316	+	return CDPause_bincue(fh->bincue_fd);
1317	+	#endif
1318	+
1319		if (fh->is_cdrom) {
1320		#if defined(__linux__)
1321		return ioctl(fh->fd, CDROMPAUSE) == 0;
#	Line 1040 | Line 1335 | bool SysCDPause(void *arg)
1335
1336		bool SysCDResume(void *arg)
1337		{
1338	<	file_handle *fh = (file_handle *)arg;
1338	>	mac_file_handle *fh = (mac_file_handle *)arg;
1339		if (!fh)
1340		return false;
1341
1342	+	#if defined(BINCUE)
1343	+	if (fh->is_bincue)
1344	+	return CDResume_bincue(fh->bincue_fd);
1345	+	#endif
1346	+
1347	+
1348		if (fh->is_cdrom) {
1349		#if defined(__linux__)
1350		return ioctl(fh->fd, CDROMRESUME) == 0;
#	Line 1063 | Line 1364 | bool SysCDResume(void *arg)
1364
1365		bool SysCDStop(void *arg, uint8 lead_out_m, uint8 lead_out_s, uint8 lead_out_f)
1366		{
1367	<	file_handle *fh = (file_handle *)arg;
1367	>	mac_file_handle *fh = (mac_file_handle *)arg;
1368		if (!fh)
1369		return false;
1370
1371	+	#if defined(BINCUE)
1372	+	if (fh->is_bincue)
1373	+	return CDStop_bincue(fh->bincue_fd);
1374	+	#endif
1375	+
1376	+
1377		if (fh->is_cdrom) {
1378		#if defined(__linux__)
1379		return ioctl(fh->fd, CDROMSTOP) == 0;
#	Line 1086 | Line 1393 | bool SysCDStop(void *arg, uint8 lead_out
1393
1394		bool SysCDScan(void *arg, uint8 start_m, uint8 start_s, uint8 start_f, bool reverse)
1395		{
1396	<	file_handle *fh = (file_handle *)arg;
1396	>	mac_file_handle *fh = (mac_file_handle *)arg;
1397		if (!fh)
1398		return false;
1399
#	Line 1101 | Line 1408 | bool SysCDScan(void *arg, uint8 start_m,
1408
1409		void SysCDSetVolume(void *arg, uint8 left, uint8 right)
1410		{
1411	<	file_handle *fh = (file_handle *)arg;
1411	>	mac_file_handle *fh = (mac_file_handle *)arg;
1412		if (!fh)
1413		return;
1414
#	Line 1127 | Line 1434 | void SysCDSetVolume(void *arg, uint8 lef
1434
1435		void SysCDGetVolume(void *arg, uint8 &left, uint8 &right)
1436		{
1437	<	file_handle *fh = (file_handle *)arg;
1437	>	mac_file_handle *fh = (mac_file_handle *)arg;
1438		if (!fh)
1439		return;
1440

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