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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 1.8 by cebix, 2000-07-21T18:01:06Z

#	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) 1997-2000 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 187 | Line 184 | static const ext2type e2t_translation[]
184		{".tga", 'TPIC', 'ogle'},
185		{".tif", 'TIFF', 'ogle'},
186		{".tiff", 'TIFF', 'ogle'},
187	+	{".htm", 'TEXT', 'MOSS'},
188		{".html", 'TEXT', 'MOSS'},
189		{".txt", 'TEXT', 'ttxt'},
190		{".rtf", 'TEXT', 'MSWD'},
#	Line 207 | Line 205 | static const ext2type e2t_translation[]
205		{".mov", 'MooV', 'TVOD'},
206		{".fli", 'FLI ', 'TVOD'},
207		{".avi", 'VfW ', 'TVOD'},
208	+	{".qxd", 'XDOC', 'XPR3'},
209	+	{".hfv", 'DDim', 'ddsk'},
210	+	{".dsk", 'DDim', 'ddsk'},
211	+	{".img", 'rohd', 'ddsk'},
212		{NULL, 0, 0}    // End marker
213		};
214
215	<	void get_finder_type(const char *path, uint32 &type, uint32 &creator)
215	>	void get_finfo(const char *path, uint32 finfo, uint32 fxinfo)
216		{
217	<	type = 0;
218	<	creator = 0;
217	>	// Set default finder info
218	>	Mac_memset(finfo, 0, SIZEOF_FInfo);
219	>	if (fxinfo)
220	>	Mac_memset(fxinfo, 0, SIZEOF_FXInfo);
221	>	WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS);
222	>	WriteMacInt32(finfo + fdLocation, (uint32)-1);
223
224	<	// Open Finder info file
224	>	// Read Finder info file
225		int fd = open_finf(path, O_RDONLY);
226		if (fd >= 0) {
227	<
228	<	// Read file
229	<	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	<	}
227	>	ssize_t actual = read(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
228	>	if (fxinfo)
229	>	actual += read(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
230		close(fd);
231	+	if (actual >= SIZEOF_FInfo)
232	+	return;
233		}
234
235		// No Finder info file, translate file name extension to MacOS type/creator
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 (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) {
242	<	type = e2t_translation[i].type;
243	<	creator = e2t_translation[i].creator;
244	<	break;
236	>	struct stat st;
237	>	if (stat(path, &st) == 0 && !S_ISDIR(st.st_mode)) {
238	>	int path_len = strlen(path);
239	>	for (int i=0; e2t_translation[i].ext; i++) {
240	>	int ext_len = strlen(e2t_translation[i].ext);
241	>	if (path_len < ext_len)
242	>	continue;
243	>	if (!strcasecmp(path + path_len - ext_len, e2t_translation[i].ext)) {
244	>	WriteMacInt32(finfo + fdType, e2t_translation[i].type);
245	>	WriteMacInt32(finfo + fdCreator, e2t_translation[i].creator);
246	>	break;
247	>	}
248		}
249		}
250		}
251
252	<	void set_finder_type(const char *path, uint32 type, uint32 creator)
252	>	void set_finfo(const char *path, uint32 finfo, uint32 fxinfo)
253		{
254		// Open Finder info file
255		int fd = open_finf(path, O_RDWR);
256		if (fd < 0)
257		return;
258
259	<	// Read file
260	<	finf_struct finf = {0, 0, DEFAULT_FINDER_FLAGS, 0};
261	<	read(fd, &finf, sizeof(finf_struct));
262	<
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));
259	>	// Write file
260	>	write(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
261	>	if (fxinfo)
262	>	write(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
263		close(fd);
264		}
265
#	Line 343 | Line 296 | void close_rfork(const char *path, int f
296
297		/*
298		*  Read "length" bytes from file to "buffer",
299	<	*  returns number of bytes read (or 0)
299	>	*  returns number of bytes read (or -1 on error)
300		*/
301
302	<	size_t extfs_read(int fd, void *buffer, size_t length)
302	>	ssize_t extfs_read(int fd, void *buffer, size_t length)
303		{
351	–	errno = 0;
304		return read(fd, buffer, length);
305		}
306
307
308		/*
309		*  Write "length" bytes from "buffer" to file,
310	<	*  returns number of bytes written (or 0)
310	>	*  returns number of bytes written (or -1 on error)
311		*/
312
313	<	size_t extfs_write(int fd, void *buffer, size_t length)
313	>	ssize_t extfs_write(int fd, void *buffer, size_t length)
314		{
363	–	errno = 0;
315		return write(fd, buffer, length);
316		}
317
318
319	+	/*
320	+	*  Remove file/directory (and associated helper files),
321	+	*  returns false on error (and sets errno)
322	+	*/
323	+
324	+	bool extfs_remove(const char *path)
325	+	{
326	+	// Remove helpers first, don't complain if this fails
327	+	char helper_path[MAX_PATH_LENGTH];
328	+	make_helper_path(path, helper_path, ".finf/", false);
329	+	remove(helper_path);
330	+	make_helper_path(path, helper_path, ".rsrc/", false);
331	+	remove(helper_path);
332	+
333	+	// Now remove file or directory (and helper directories in the directory)
334	+	if (remove(path) < 0) {
335	+	if (errno == EISDIR || errno == ENOTEMPTY) {
336	+	helper_path[0] = 0;
337	+	strncpy(helper_path, path, MAX_PATH_LENGTH-1);
338	+	add_path_component(helper_path, ".finf");
339	+	rmdir(helper_path);
340	+	helper_path[0] = 0;
341	+	strncpy(helper_path, path, MAX_PATH_LENGTH-1);
342	+	add_path_component(helper_path, ".rsrc");
343	+	rmdir(helper_path);
344	+	return rmdir(path) == 0;
345	+	} else
346	+	return false;
347	+	}
348	+	return true;
349	+	}
350	+
351	+
352	+	/*
353	+	*  Rename/move file/directory (and associated helper files),
354	+	*  returns false on error (and sets errno)
355	+	*/
356	+
357	+	bool extfs_rename(const char *old_path, const char *new_path)
358	+	{
359	+	// Rename helpers first, don't complain if this fails
360	+	char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH];
361	+	make_helper_path(old_path, old_helper_path, ".finf/", false);
362	+	make_helper_path(new_path, new_helper_path, ".finf/", false);
363	+	create_helper_dir(new_path, ".finf/");
364	+	rename(old_helper_path, new_helper_path);
365	+	make_helper_path(old_path, old_helper_path, ".rsrc/", false);
366	+	make_helper_path(new_path, new_helper_path, ".rsrc/", false);
367	+	create_helper_dir(new_path, ".rsrc/");
368	+	rename(old_helper_path, new_helper_path);
369	+
370	+	// Now rename file
371	+	return rename(old_path, new_path) == 0;
372	+	}
373	+
374	+
375		/*
376		*  ftruncate() is missing from libnix
377		*/

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