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root/cebix/BasiliskII/src/AmigaOS/extfs_amiga.cpp

Comparing BasiliskII/src/AmigaOS/extfs_amiga.cpp (file contents):
Revision 1.1 by cebix, 1999-11-01T16:24:09Z vs.
Revision 1.13 by cebix, 2002-01-15T14:58:34Z

#	Line 1 | Line 1
1		/*
2		*  extfs_amiga.cpp - MacOS file system for access native file system access, AmigaOS specific stuff
3		*
4	<	*  Basilisk II (C) 1997-1999 Christian Bauer
4	>	*  Basilisk II (C) 1997-2002 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 77 | Line 77 | void add_path_component(char *path, cons
77		*    /path/.finf/file
78		*  Resource fork:
79		*    /path/.rsrc/file
80	+	*
81	+	*  The .finf files store a FInfo/DInfo, followed by a FXInfo/DXInfo
82	+	*  (16+16 bytes)
83		*/
84
82	–	// Layout of Finder info helper files (all fields big-endian)
83	–	struct finf_struct {
84	–	uint32 type;
85	–	uint32 creator;
86	–	uint16 flags;
87	–	uint16 pad0;
88	–	};
89	–
85		static void make_helper_path(const char *src, char *dest, const char *add, bool only_dir = false)
86		{
87		dest[0] = 0;
#	Line 110 | Line 105 | static int create_helper_dir(const char
105		{
106		char helper_dir[MAX_PATH_LENGTH];
107		make_helper_path(path, helper_dir, add, true);
108	+	if (helper_dir[strlen(helper_dir) - 1] == '/')  // Remove trailing "/"
109	+	helper_dir[strlen(helper_dir) - 1] = 0;
110		return mkdir(helper_dir, 0777);
111		}
112
#	Line 118 | Line 115 | static int open_helper(const char *path,
115		char helper_path[MAX_PATH_LENGTH];
116		make_helper_path(path, helper_path, add);
117
118	<	if ((flag & O_RDWR) || (flag && O_WRONLY))
118	>	if ((flag & O_ACCMODE) == O_RDWR || (flag & O_ACCMODE) == O_WRONLY)
119		flag |= O_CREAT;
120		int fd = open(helper_path, flag, 0666);
121		if (fd < 0) {
#	Line 156 | Line 153 | struct ext2type {
153		};
154
155		static const ext2type e2t_translation[] = {
156	<	{".Z", 'ZIVM', 'LZIV'},
157	<	{".gz", 'Gzip', 'Gzip'},
158	<	{".hqx", 'TEXT', 'SITx'},
159	<	{".pdf", 'PDF ', 'CARO'},
160	<	{".ps", 'TEXT', 'ttxt'},
161	<	{".sit", 'SIT!', 'SITx'},
162	<	{".tar", 'TARF', 'TAR '},
163	<	{".uu", 'TEXT', 'SITx'},
164	<	{".uue", 'TEXT', 'SITx'},
165	<	{".zip", 'ZIP ', 'ZIP '},
166	<	{".8svx", '8SVX', 'SNDM'},
167	<	{".aifc", 'AIFC', 'TVOD'},
168	<	{".aiff", 'AIFF', 'TVOD'},
169	<	{".au", 'ULAW', 'TVOD'},
170	<	{".mid", 'MIDI', 'TVOD'},
171	<	{".midi", 'MIDI', 'TVOD'},
172	<	{".mp2", 'MPG ', 'TVOD'},
173	<	{".mp3", 'MPG ', 'TVOD'},
174	<	{".wav", 'WAVE', 'TVOD'},
175	<	{".bmp", 'BMPf', 'ogle'},
176	<	{".gif", 'GIFf', 'ogle'},
177	<	{".lbm", 'ILBM', 'GKON'},
178	<	{".ilbm", 'ILBM', 'GKON'},
179	<	{".jpg", 'JPEG', 'ogle'},
180	<	{".jpeg", 'JPEG', 'ogle'},
181	<	{".pict", 'PICT', 'ogle'},
182	<	{".png", 'PNGf', 'ogle'},
183	<	{".sgi", '.SGI', 'ogle'},
184	<	{".tga", 'TPIC', 'ogle'},
185	<	{".tif", 'TIFF', 'ogle'},
186	<	{".tiff", 'TIFF', 'ogle'},
187	<	{".html", 'TEXT', 'MOSS'},
188	<	{".txt", 'TEXT', 'ttxt'},
189	<	{".rtf", 'TEXT', 'MSWD'},
190	<	{".c", 'TEXT', 'R*ch'},
191	<	{".C", 'TEXT', 'R*ch'},
192	<	{".cc", 'TEXT', 'R*ch'},
193	<	{".cpp", 'TEXT', 'R*ch'},
194	<	{".cxx", 'TEXT', 'R*ch'},
195	<	{".h", 'TEXT', 'R*ch'},
196	<	{".hh", 'TEXT', 'R*ch'},
197	<	{".hpp", 'TEXT', 'R*ch'},
198	<	{".hxx", 'TEXT', 'R*ch'},
199	<	{".s", 'TEXT', 'R*ch'},
200	<	{".S", 'TEXT', 'R*ch'},
201	<	{".i", 'TEXT', 'R*ch'},
202	<	{".mpg", 'MPEG', 'TVOD'},
203	<	{".mpeg", 'MPEG', 'TVOD'},
204	<	{".mov", 'MooV', 'TVOD'},
205	<	{".fli", 'FLI ', 'TVOD'},
206	<	{".avi", 'VfW ', 'TVOD'},
156	>	{".z", FOURCC('Z','I','V','M'), FOURCC('L','Z','I','V')},
157	>	{".gz", FOURCC('G','z','i','p'), FOURCC('G','z','i','p')},
158	>	{".hqx", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
159	>	{".bin", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
160	>	{".pdf", FOURCC('P','D','F',' '), FOURCC('C','A','R','O')},
161	>	{".ps", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')},
162	>	{".sit", FOURCC('S','I','T','!'), FOURCC('S','I','T','x')},
163	>	{".tar", FOURCC('T','A','R','F'), FOURCC('T','A','R',' ')},
164	>	{".uu", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
165	>	{".uue", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
166	>	{".zip", FOURCC('Z','I','P',' '), FOURCC('Z','I','P',' ')},
167	>	{".8svx", FOURCC('8','S','V','X'), FOURCC('S','N','D','M')},
168	>	{".aifc", FOURCC('A','I','F','C'), FOURCC('T','V','O','D')},
169	>	{".aiff", FOURCC('A','I','F','F'), FOURCC('T','V','O','D')},
170	>	{".au", FOURCC('U','L','A','W'), FOURCC('T','V','O','D')},
171	>	{".mid", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')},
172	>	{".midi", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')},
173	>	{".mp2", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')},
174	>	{".mp3", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')},
175	>	{".wav", FOURCC('W','A','V','E'), FOURCC('T','V','O','D')},
176	>	{".bmp", FOURCC('B','M','P','f'), FOURCC('o','g','l','e')},
177	>	{".gif", FOURCC('G','I','F','f'), FOURCC('o','g','l','e')},
178	>	{".lbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')},
179	>	{".ilbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')},
180	>	{".jpg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')},
181	>	{".jpeg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')},
182	>	{".pict", FOURCC('P','I','C','T'), FOURCC('o','g','l','e')},
183	>	{".png", FOURCC('P','N','G','f'), FOURCC('o','g','l','e')},
184	>	{".sgi", FOURCC('.','S','G','I'), FOURCC('o','g','l','e')},
185	>	{".tga", FOURCC('T','P','I','C'), FOURCC('o','g','l','e')},
186	>	{".tif", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')},
187	>	{".tiff", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')},
188	>	{".htm", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')},
189	>	{".html", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')},
190	>	{".txt", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')},
191	>	{".rtf", FOURCC('T','E','X','T'), FOURCC('M','S','W','D')},
192	>	{".c", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
193	>	{".cc", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
194	>	{".cpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
195	>	{".cxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
196	>	{".h", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
197	>	{".hh", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
198	>	{".hpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
199	>	{".hxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
200	>	{".s", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
201	>	{".i", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
202	>	{".mpg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')},
203	>	{".mpeg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')},
204	>	{".mov", FOURCC('M','o','o','V'), FOURCC('T','V','O','D')},
205	>	{".fli", FOURCC('F','L','I',' '), FOURCC('T','V','O','D')},
206	>	{".avi", FOURCC('V','f','W',' '), FOURCC('T','V','O','D')},
207	>	{".qxd", FOURCC('X','D','O','C'), FOURCC('X','P','R','3')},
208	>	{".hfv", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')},
209	>	{".dsk", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')},
210	>	{".img", FOURCC('r','o','h','d'), FOURCC('d','d','s','k')},
211		{NULL, 0, 0}    // End marker
212		};
213
214	<	void get_finder_type(const char *path, uint32 &type, uint32 &creator)
214	>	void get_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir)
215		{
216	<	type = 0;
217	<	creator = 0;
216	>	// Set default finder info
217	>	Mac_memset(finfo, 0, SIZEOF_FInfo);
218	>	if (fxinfo)
219	>	Mac_memset(fxinfo, 0, SIZEOF_FXInfo);
220	>	WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS);
221	>	WriteMacInt32(finfo + fdLocation, (uint32)-1);
222
223	<	// Open Finder info file
223	>	// Read Finder info file
224		int fd = open_finf(path, O_RDONLY);
225		if (fd >= 0) {
226	<
227	<	// Read file
228	<	finf_struct finf;
224	<	if (read(fd, &finf, sizeof(finf_struct)) == sizeof(finf_struct)) {
225	<
226	<	// Type/creator are in Finder info file, return them
227	<	type = ntohl(finf.type);
228	<	creator = ntohl(finf.creator);
229	<	close(fd);
230	<	return;
231	<	}
226	>	ssize_t actual = read(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
227	>	if (fxinfo)
228	>	actual += read(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
229		close(fd);
230	+	if (actual >= SIZEOF_FInfo)
231	+	return;
232		}
233
234		// No Finder info file, translate file name extension to MacOS type/creator
235	<	int path_len = strlen(path);
236	<	for (int i=0; e2t_translation[i].ext; i++) {
237	<	int ext_len = strlen(e2t_translation[i].ext);
238	<	if (path_len < ext_len)
239	<	continue;
240	<	if (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) {
241	<	type = e2t_translation[i].type;
242	<	creator = e2t_translation[i].creator;
243	<	break;
235	>	if (!is_dir) {
236	>	int path_len = strlen(path);
237	>	for (int i=0; e2t_translation[i].ext; i++) {
238	>	int ext_len = strlen(e2t_translation[i].ext);
239	>	if (path_len < ext_len)
240	>	continue;
241	>	if (!strcasecmp(path + path_len - ext_len, e2t_translation[i].ext)) {
242	>	WriteMacInt32(finfo + fdType, e2t_translation[i].type);
243	>	WriteMacInt32(finfo + fdCreator, e2t_translation[i].creator);
244	>	break;
245	>	}
246		}
247		}
248		}
249
250	<	void set_finder_type(const char *path, uint32 type, uint32 creator)
250	>	void set_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir)
251		{
252		// Open Finder info file
253		int fd = open_finf(path, O_RDWR);
254		if (fd < 0)
255		return;
256
257	<	// Read file
258	<	finf_struct finf = {0, 0, DEFAULT_FINDER_FLAGS, 0};
259	<	read(fd, &finf, sizeof(finf_struct));
260	<
260	<	// Set Finder flags
261	<	finf.type = htonl(type);
262	<	finf.creator = htonl(creator);
263	<
264	<	// Update file
265	<	lseek(fd, 0, SEEK_SET);
266	<	write(fd, &finf, sizeof(finf_struct));
267	<	close(fd);
268	<	}
269	<
270	<
271	<	/*
272	<	*  Get/set finder flags for file/dir specified by full path
273	<	*/
274	<
275	<	void get_finder_flags(const char *path, uint16 &flags)
276	<	{
277	<	flags = DEFAULT_FINDER_FLAGS;   // Default
278	<
279	<	// Open Finder info file
280	<	int fd = open_finf(path, O_RDONLY);
281	<	if (fd < 0)
282	<	return;
283	<
284	<	// Read Finder flags
285	<	finf_struct finf;
286	<	if (read(fd, &finf, sizeof(finf_struct)) == sizeof(finf_struct))
287	<	flags = ntohs(finf.flags);
288	<
289	<	// Close file
290	<	close(fd);
291	<	}
292	<
293	<	void set_finder_flags(const char *path, uint16 flags)
294	<	{
295	<	// Open Finder info file
296	<	int fd = open_finf(path, O_RDWR);
297	<	if (fd < 0)
298	<	return;
299	<
300	<	// Read file
301	<	finf_struct finf = {0, 0, DEFAULT_FINDER_FLAGS, 0};
302	<	read(fd, &finf, sizeof(finf_struct));
303	<
304	<	// Set Finder flags
305	<	finf.flags = htons(flags);
306	<
307	<	// Update file
308	<	lseek(fd, 0, SEEK_SET);
309	<	write(fd, &finf, sizeof(finf_struct));
257	>	// Write file
258	>	write(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
259	>	if (fxinfo)
260	>	write(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
261		close(fd);
262		}
263
#	Line 343 | Line 294 | void close_rfork(const char *path, int f
294
295		/*
296		*  Read "length" bytes from file to "buffer",
297	<	*  returns number of bytes read (or 0)
297	>	*  returns number of bytes read (or -1 on error)
298		*/
299
300	<	size_t extfs_read(int fd, void *buffer, size_t length)
300	>	ssize_t extfs_read(int fd, void *buffer, size_t length)
301		{
351	–	errno = 0;
302		return read(fd, buffer, length);
303		}
304
305
306		/*
307		*  Write "length" bytes from "buffer" to file,
308	<	*  returns number of bytes written (or 0)
308	>	*  returns number of bytes written (or -1 on error)
309		*/
310
311	<	size_t extfs_write(int fd, void *buffer, size_t length)
311	>	ssize_t extfs_write(int fd, void *buffer, size_t length)
312		{
363	–	errno = 0;
313		return write(fd, buffer, length);
314		}
315
316
317	+	/*
318	+	*  Remove file/directory (and associated helper files),
319	+	*  returns false on error (and sets errno)
320	+	*/
321	+
322	+	bool extfs_remove(const char *path)
323	+	{
324	+	// Remove helpers first, don't complain if this fails
325	+	char helper_path[MAX_PATH_LENGTH];
326	+	make_helper_path(path, helper_path, ".finf/", false);
327	+	remove(helper_path);
328	+	make_helper_path(path, helper_path, ".rsrc/", false);
329	+	remove(helper_path);
330	+
331	+	// Now remove file or directory (and helper directories in the directory)
332	+	if (remove(path) < 0) {
333	+	if (errno == EISDIR || errno == ENOTEMPTY) {
334	+	helper_path[0] = 0;
335	+	strncpy(helper_path, path, MAX_PATH_LENGTH-1);
336	+	add_path_component(helper_path, ".finf");
337	+	rmdir(helper_path);
338	+	helper_path[0] = 0;
339	+	strncpy(helper_path, path, MAX_PATH_LENGTH-1);
340	+	add_path_component(helper_path, ".rsrc");
341	+	rmdir(helper_path);
342	+	return rmdir(path) == 0;
343	+	} else
344	+	return false;
345	+	}
346	+	return true;
347	+	}
348	+
349	+
350	+	/*
351	+	*  Rename/move file/directory (and associated helper files),
352	+	*  returns false on error (and sets errno)
353	+	*/
354	+
355	+	bool extfs_rename(const char *old_path, const char *new_path)
356	+	{
357	+	// Rename helpers first, don't complain if this fails
358	+	char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH];
359	+	make_helper_path(old_path, old_helper_path, ".finf/", false);
360	+	make_helper_path(new_path, new_helper_path, ".finf/", false);
361	+	create_helper_dir(new_path, ".finf/");
362	+	rename(old_helper_path, new_helper_path);
363	+	make_helper_path(old_path, old_helper_path, ".rsrc/", false);
364	+	make_helper_path(new_path, new_helper_path, ".rsrc/", false);
365	+	create_helper_dir(new_path, ".rsrc/");
366	+	rename(old_helper_path, new_helper_path);
367	+
368	+	// Now rename file
369	+	return rename(old_path, new_path) == 0;
370	+	}
371	+
372	+
373		/*
374		*  ftruncate() is missing from libnix
375		*/

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