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root/cebix/BasiliskII/src/BeOS/extfs_beos.cpp

Comparing BasiliskII/src/BeOS/extfs_beos.cpp (file contents):
Revision 1.6 by cebix, 1999-11-01T16:24:14Z vs.
Revision 1.13 by cebix, 2001-02-09T20:04:15Z

#	Line 1 | Line 1
1		/*
2		*  extfs_beos.cpp - MacOS file system for access native file system access, BeOS specific stuff
3		*
4	<	*  Basilisk II (C) 1997-1999 Christian Bauer
4	>	*  Basilisk II (C) 1997-2001 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 87 | Line 87 | void add_path_component(char *path, cons
87
88
89		/*
90	<	*  Get/set finder type/creator for file specified by full path
90	>	*  Get/set finder info for file/directory specified by full path
91		*/
92
93		struct mime2type {
#	Line 137 | Line 137 | static const mime2type m2t_translation[]
137		{NULL, 0, 0, false}     // End marker
138		};
139
140	<	void get_finder_type(const char *path, uint32 &type, uint32 &creator)
140	>	void get_finfo(const char *path, uint32 finfo, uint32 fxinfo)
141		{
142	<	type = 0;
143	<	creator = 0;
142	>	// Set default finder info
143	>	Mac_memset(finfo, 0, SIZEOF_FInfo);
144	>	if (fxinfo)
145	>	Mac_memset(fxinfo, 0, SIZEOF_FXInfo);
146	>	WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS);
147	>	WriteMacInt32(finfo + fdLocation, (uint32)-1);
148
149		// Open file
150		int fd = open(path, O_RDONLY);
151		if (fd < 0)
152		return;
153
154	<	// Read BeOS MIME type and close file
154	>	// Read BeOS MIME type
155		char mime[256];
156		ssize_t actual = fs_read_attr(fd, "BEOS:TYPE", B_MIME_STRING_TYPE, 0, mime, 256);
157		mime[255] = 0;
#	Line 155 | Line 159 | void get_finder_type(const char *path, u
159		if (actual > 0) {
160
161		// Translate MIME type to MacOS type/creator
162	<	char mactype[4];
162	>	uint8 mactype[4];
163		if (sscanf(mime, "application/x-MacOS-%c%c%c%c", mactype, mactype+1, mactype+2, mactype+3) == 4) {
164
165		// MacOS style type
166	<	memcpy(&type, mactype, 4);
166	>	WriteMacInt32(finfo + fdType, (mactype[0] << 24) | (mactype[1] << 16) | (mactype[2] << 8) | mactype[3]);
167
168		} else {
169
170		// MIME string, look in table
171		for (int i=0; m2t_translation[i].mime; i++) {
172		if (!strcmp(mime, m2t_translation[i].mime)) {
173	<	type = m2t_translation[i].type;
174	<	creator = m2t_translation[i].creator;
173	>	WriteMacInt32(finfo + fdType, m2t_translation[i].type);
174	>	WriteMacInt32(finfo + fdCreator, m2t_translation[i].creator);
175		break;
176		}
177		}
#	Line 175 | Line 179 | void get_finder_type(const char *path, u
179		}
180
181		// Override file type with MACOS:CREATOR attribute
182	<	fs_read_attr(fd, "MACOS:CREATOR", B_UINT32_TYPE, 0, &creator, 4);
182	>	if (fs_read_attr(fd, "MACOS:CREATOR", B_UINT32_TYPE, 0, &mime, 4) == 4)
183	>	WriteMacInt32(finfo + fdCreator, (mime[0] << 24) | (mime[1] << 16) | (mime[2] << 8) | mime[3]);
184	>
185	>	// Read MACOS:HFS_FLAGS attribute
186	>	if (fs_read_attr(fd, "MACOS:HFS_FLAGS", B_UINT16_TYPE, 0, &mime, 2) == 2)
187	>	WriteMacInt16(finfo + fdFlags, (mime[0] << 8) | mime[1]);
188
189		// Close file
190		close(fd);
191		}
192
193	<	void set_finder_type(const char *path, uint32 type, uint32 creator)
193	>	void set_finfo(const char *path, uint32 finfo, uint32 fxinfo)
194		{
195	+	char mime[256];
196	+
197		// Open file
198		int fd = open(path, O_WRONLY);
199		if (fd < 0)
200		return;
201
202		// Set BEOS:TYPE attribute
203	+	uint32 type = ReadMacInt32(finfo + fdType);
204		if (type) {
205		bool written = false;
206		for (int i=0; m2t_translation[i].mime; i++) {
#	Line 199 | Line 211 | void set_finder_type(const char *path, u
211		}
212		}
213		if (!written) {
202	–	char mime[256];
214		sprintf(mime, "application/x-MacOS-%c%c%c%c", type >> 24, type >> 16, type >> 8, type);
215		fs_write_attr(fd, "BEOS:TYPE", B_MIME_STRING_TYPE, 0, mime, strlen(mime) + 1);
216		}
217		}
218
219		// Set MACOS:CREATOR attribute
220	<	if (creator)
221	<	fs_write_attr(fd, "MACOS:CREATOR", B_UINT32_TYPE, 0, &creator, 4);
222	<
223	<	// Close file
224	<	close(fd);
225	<	}
226	<
227	<
217	<	/*
218	<	*  Get/set finder flags for file/dir specified by full path (MACOS:HFS_FLAGS attribute)
219	<	*/
220	<
221	<	void get_finder_flags(const char *path, uint16 &flags)
222	<	{
223	<	flags = DEFAULT_FINDER_FLAGS;   // Default
224	<
225	<	// Open file
226	<	int fd = open(path, O_RDONLY);
227	<	if (fd < 0)
228	<	return;
229	<
230	<	// Read MACOS:HFS_FLAGS attribute
231	<	fs_read_attr(fd, "MACOS:HFS_FLAGS", B_UINT16_TYPE, 0, &flags, 2);
232	<
233	<	// Close file
234	<	close(fd);
235	<	}
236	<
237	<	void set_finder_flags(const char *path, uint16 flags)
238	<	{
239	<	// Open file
240	<	int fd = open(path, O_WRONLY);
241	<	if (fd < 0)
242	<	return;
220	>	uint32 creator = ReadMacInt32(finfo + fdType);
221	>	if (creator) {
222	>	mime[0] = creator >> 24;
223	>	mime[1] = creator >> 16;
224	>	mime[2] = creator >> 8;
225	>	mime[3] = creator;
226	>	fs_write_attr(fd, "MACOS:CREATOR", B_UINT32_TYPE, 0, &mime, 4);
227	>	}
228
229		// Write MACOS:HFS_FLAGS attribute
230	<	if (flags != DEFAULT_FINDER_FLAGS)
231	<	fs_write_attr(fd, "MACOS:HFS_FLAGS", B_UINT16_TYPE, 0, &flags, 2);
232	<	else
230	>	uint16 flags = ReadMacInt16(finfo + fdFlags);
231	>	if (flags != DEFAULT_FINDER_FLAGS) {
232	>	mime[0] = flags >> 8;
233	>	mime[1] = flags;
234	>	fs_write_attr(fd, "MACOS:HFS_FLAGS", B_UINT16_TYPE, 0, &mime, 2);
235	>	} else
236		fs_remove_attr(fd, "MACOS:HFS_FLAGS");
237
238		// Close file
#	Line 369 | Line 357 | void close_rfork(const char *path, int f
357
358		/*
359		*  Read "length" bytes from file to "buffer",
360	<	*  returns number of bytes read (or 0)
360	>	*  returns number of bytes read (or -1 on error)
361		*/
362
363		static inline ssize_t sread(int fd, void *buf, size_t count)
#	Line 379 | Line 367 | static inline ssize_t sread(int fd, void
367		return res;
368		}
369
370	<	size_t extfs_read(int fd, void *buffer, size_t length)
370	>	ssize_t extfs_read(int fd, void *buffer, size_t length)
371		{
384	–	errno = 0;
385	–
372		// Buffer in kernel space?
387	–	size_t actual = 0;
373		if ((uint32)buffer < 0x80000000) {
374
375		// Yes, transfer via buffer
376	+	ssize_t actual = 0;
377		while (length) {
378		size_t transfer_size = (length > TMP_BUF_SIZE) ? TMP_BUF_SIZE : length;
379		ssize_t res = sread(fd, tmp_buf, transfer_size);
380	<	if (res >= 0) {
381	<	memcpy(buffer, tmp_buf, res);
382	<	buffer = (void *)((uint8 *)buffer + res);
383	<	length -= res;
384	<	actual += res;
385	<	}
380	>	if (res < 0)
381	>	return res;
382	>	memcpy(buffer, tmp_buf, res);
383	>	buffer = (void *)((uint8 *)buffer + res);
384	>	length -= res;
385	>	actual += res;
386		if (res != transfer_size)
387		return actual;
388		}
389	+	return actual;
390
391		} else {
392
393		// No, transfer directly
394	<	actual = sread(fd, buffer, length);
408	<	if (actual < 0)
409	<	actual = 0;
394	>	return sread(fd, buffer, length);
395		}
411	–	return actual;
396		}
397
398
399		/*
400		*  Write "length" bytes from "buffer" to file,
401	<	*  returns number of bytes written (or 0)
401	>	*  returns number of bytes written (or -1 on error)
402		*/
403
404		static inline ssize_t swrite(int fd, void *buf, size_t count)
#	Line 424 | Line 408 | static inline ssize_t swrite(int fd, voi
408		return res;
409		}
410
411	<	size_t extfs_write(int fd, void *buffer, size_t length)
411	>	ssize_t extfs_write(int fd, void *buffer, size_t length)
412		{
429	–	errno = 0;
430	–
413		// Buffer in kernel space?
432	–	size_t actual = 0;
414		if ((uint32)buffer < 0x80000000) {
415
416		// Yes, transfer via buffer
417	+	ssize_t actual = 0;
418		while (length) {
419		size_t transfer_size = (length > TMP_BUF_SIZE) ? TMP_BUF_SIZE : length;
420		memcpy(tmp_buf, buffer, transfer_size);
421		ssize_t res = swrite(fd, tmp_buf, transfer_size);
422	<	if (res >= 0) {
423	<	buffer = (void *)((uint8 *)buffer + res);
424	<	length -= res;
425	<	actual += res;
426	<	}
422	>	if (res < 0)
423	>	return res;
424	>	buffer = (void *)((uint8 *)buffer + res);
425	>	length -= res;
426	>	actual += res;
427		if (res != transfer_size)
428		return actual;
429		}
430	+	return actual;
431
432		} else {
433
434		// No, transfer directly
435	<	actual = swrite(fd, buffer, length);
453	<	if (actual < 0)
454	<	actual = 0;
435	>	return swrite(fd, buffer, length);
436		}
437	<	return actual;
437	>	}
438	>
439	>
440	>	/*
441	>	*  Remove file/directory, returns false on error (and sets errno)
442	>	*/
443	>
444	>	bool extfs_remove(const char *path)
445	>	{
446	>	if (remove(path) < 0) {
447	>	if (errno == EISDIR)
448	>	return rmdir(path) == 0;
449	>	else
450	>	return false;
451	>	}
452	>	return true;
453	>	}
454	>
455	>
456	>	/*
457	>	*  Rename/move file/directory, returns false on error (and sets errno)
458	>	*/
459	>
460	>	bool extfs_rename(const char *old_path, const char *new_path)
461	>	{
462	>	return rename(old_path, new_path) == 0;
463		}

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