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root/cebix/BasiliskII/src/Unix/extfs_unix.cpp

Comparing BasiliskII/src/Unix/extfs_unix.cpp (file contents):
Revision 1.8 by cebix, 1999-11-08T17:00:13Z vs.
Revision 1.13 by cebix, 2000-07-21T18:01:07Z

#	Line 1 | Line 1
1		/*
2		*  extfs_unix.cpp - MacOS file system for access native file system access, Unix 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 78 | Line 78 | void add_path_component(char *path, cons
78		*    /path/.finf/file
79		*  Resource fork:
80		*    /path/.rsrc/file
81	+	*
82	+	*  The .finf files store a FInfo/DInfo, followed by a FXInfo/DXInfo
83	+	*  (16+16 bytes)
84		*/
85
83	–	// Layout of Finder info helper files (all fields big-endian)
84	–	struct finf_struct {
85	–	uint32 type;
86	–	uint32 creator;
87	–	uint16 flags;
88	–	uint16 pad0;
89	–	};
90	–
86		static void make_helper_path(const char *src, char *dest, const char *add, bool only_dir = false)
87		{
88		dest[0] = 0;
#	Line 115 | Line 110 | static int create_helper_dir(const char
110		{
111		char helper_dir[MAX_PATH_LENGTH];
112		make_helper_path(path, helper_dir, add, true);
113	+	if (helper_dir[strlen(helper_dir) - 1] == '/')  // Remove trailing "/"
114	+	helper_dir[strlen(helper_dir) - 1] = 0;
115		return mkdir(helper_dir, 0777);
116		}
117
#	Line 151 | Line 148 | static int open_rsrc(const char *path, i
148
149
150		/*
151	<	*  Get/set finder type/creator for file specified by full path
151	>	*  Get/set finder info for file/directory specified by full path
152		*/
153
154		struct ext2type {
#	Line 192 | Line 189 | static const ext2type e2t_translation[]
189		{".tga", 'TPIC', 'ogle'},
190		{".tif", 'TIFF', 'ogle'},
191		{".tiff", 'TIFF', 'ogle'},
192	+	{".htm", 'TEXT', 'MOSS'},
193		{".html", 'TEXT', 'MOSS'},
194		{".txt", 'TEXT', 'ttxt'},
195		{".rtf", 'TEXT', 'MSWD'},
#	Line 212 | Line 210 | static const ext2type e2t_translation[]
210		{".mov", 'MooV', 'TVOD'},
211		{".fli", 'FLI ', 'TVOD'},
212		{".avi", 'VfW ', 'TVOD'},
213	+	{".qxd", 'XDOC', 'XPR3'},
214	+	{".hfv", 'DDim', 'ddsk'},
215	+	{".dsk", 'DDim', 'ddsk'},
216	+	{".img", 'rohd', 'ddsk'},
217		{NULL, 0, 0}    // End marker
218		};
219
220	<	void get_finder_type(const char *path, uint32 &type, uint32 &creator)
220	>	void get_finfo(const char *path, uint32 finfo, uint32 fxinfo)
221		{
222	<	type = 0;
223	<	creator = 0;
222	>	// Set default finder info
223	>	Mac_memset(finfo, 0, SIZEOF_FInfo);
224	>	if (fxinfo)
225	>	Mac_memset(fxinfo, 0, SIZEOF_FXInfo);
226	>	WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS);
227	>	WriteMacInt32(finfo + fdLocation, (uint32)-1);
228
229	<	// Open Finder info file
229	>	// Read Finder info file
230		int fd = open_finf(path, O_RDONLY);
231		if (fd >= 0) {
232	<
233	<	// Read file
234	<	finf_struct finf;
229	<	if (read(fd, &finf, sizeof(finf_struct)) == sizeof(finf_struct)) {
230	<
231	<	// Type/creator are in Finder info file, return them
232	<	type = ntohl(finf.type);
233	<	creator = ntohl(finf.creator);
234	<	close(fd);
235	<	return;
236	<	}
232	>	ssize_t actual = read(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
233	>	if (fxinfo)
234	>	actual += read(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
235		close(fd);
236	+	if (actual >= SIZEOF_FInfo)
237	+	return;
238		}
239
240		// No Finder info file, translate file name extension to MacOS type/creator
241	<	int path_len = strlen(path);
242	<	for (int i=0; e2t_translation[i].ext; i++) {
243	<	int ext_len = strlen(e2t_translation[i].ext);
244	<	if (path_len < ext_len)
245	<	continue;
246	<	if (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) {
247	<	type = e2t_translation[i].type;
248	<	creator = e2t_translation[i].creator;
249	<	break;
241	>	struct stat st;
242	>	if (stat(path, &st) == 0 && !S_ISDIR(st.st_mode)) {
243	>	int path_len = strlen(path);
244	>	for (int i=0; e2t_translation[i].ext; i++) {
245	>	int ext_len = strlen(e2t_translation[i].ext);
246	>	if (path_len < ext_len)
247	>	continue;
248	>	if (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) {
249	>	WriteMacInt32(finfo + fdType, e2t_translation[i].type);
250	>	WriteMacInt32(finfo + fdCreator, e2t_translation[i].creator);
251	>	break;
252	>	}
253		}
254		}
255		}
256
257	<	void set_finder_type(const char *path, uint32 type, uint32 creator)
257	>	void set_finfo(const char *path, uint32 finfo, uint32 fxinfo)
258		{
259		// Open Finder info file
260		int fd = open_finf(path, O_RDWR);
261		if (fd < 0)
262		return;
263
264	<	// Read file
265	<	finf_struct finf = {0, 0, DEFAULT_FINDER_FLAGS, 0};
266	<	read(fd, &finf, sizeof(finf_struct));
267	<
265	<	// Set Finder flags
266	<	finf.type = htonl(type);
267	<	finf.creator = htonl(creator);
268	<
269	<	// Update file
270	<	lseek(fd, 0, SEEK_SET);
271	<	write(fd, &finf, sizeof(finf_struct));
272	<	close(fd);
273	<	}
274	<
275	<
276	<	/*
277	<	*  Get/set finder flags for file/dir specified by full path
278	<	*/
279	<
280	<	void get_finder_flags(const char *path, uint16 &flags)
281	<	{
282	<	flags = DEFAULT_FINDER_FLAGS;   // Default
283	<
284	<	// Open Finder info file
285	<	int fd = open_finf(path, O_RDONLY);
286	<	if (fd < 0)
287	<	return;
288	<
289	<	// Read Finder flags
290	<	finf_struct finf;
291	<	if (read(fd, &finf, sizeof(finf_struct)) == sizeof(finf_struct))
292	<	flags = ntohs(finf.flags);
293	<
294	<	// Close file
295	<	close(fd);
296	<	}
297	<
298	<	void set_finder_flags(const char *path, uint16 flags)
299	<	{
300	<	// Open Finder info file
301	<	int fd = open_finf(path, O_RDWR);
302	<	if (fd < 0)
303	<	return;
304	<
305	<	// Read file
306	<	finf_struct finf = {0, 0, DEFAULT_FINDER_FLAGS, 0};
307	<	read(fd, &finf, sizeof(finf_struct));
308	<
309	<	// Set Finder flags
310	<	finf.flags = htons(flags);
311	<
312	<	// Update file
313	<	lseek(fd, 0, SEEK_SET);
314	<	write(fd, &finf, sizeof(finf_struct));
264	>	// Write file
265	>	write(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
266	>	if (fxinfo)
267	>	write(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
268		close(fd);
269		}
270
#	Line 348 | Line 301 | void close_rfork(const char *path, int f
301
302		/*
303		*  Read "length" bytes from file to "buffer",
304	<	*  returns number of bytes read (or 0)
304	>	*  returns number of bytes read (or -1 on error)
305		*/
306
307	<	size_t extfs_read(int fd, void *buffer, size_t length)
307	>	ssize_t extfs_read(int fd, void *buffer, size_t length)
308		{
356	–	errno = 0;
309		return read(fd, buffer, length);
310		}
311
312
313		/*
314		*  Write "length" bytes from "buffer" to file,
315	<	*  returns number of bytes written (or 0)
315	>	*  returns number of bytes written (or -1 on error)
316		*/
317
318	<	size_t extfs_write(int fd, void *buffer, size_t length)
318	>	ssize_t extfs_write(int fd, void *buffer, size_t length)
319		{
368	–	errno = 0;
320		return write(fd, buffer, length);
321		}
322
#	Line 384 | Line 335 | bool extfs_remove(const char *path)
335		make_helper_path(path, helper_path, ".rsrc/", false);
336		remove(helper_path);
337
338	<	// Now remove file or directory
338	>	// Now remove file or directory (and helper directories in the directory)
339		if (remove(path) < 0) {
340	<	if (errno == EISDIR)
340	>	if (errno == EISDIR || errno == ENOTEMPTY) {
341	>	helper_path[0] = 0;
342	>	strncpy(helper_path, path, MAX_PATH_LENGTH-1);
343	>	add_path_component(helper_path, ".finf");
344	>	rmdir(helper_path);
345	>	helper_path[0] = 0;
346	>	strncpy(helper_path, path, MAX_PATH_LENGTH-1);
347	>	add_path_component(helper_path, ".rsrc");
348	>	rmdir(helper_path);
349		return rmdir(path) == 0;
350	<	else
350	>	} else
351		return false;
352		}
353		return true;
354		}
355	+
356	+
357	+	/*
358	+	*  Rename/move file/directory (and associated helper files),
359	+	*  returns false on error (and sets errno)
360	+	*/
361	+
362	+	bool extfs_rename(const char *old_path, const char *new_path)
363	+	{
364	+	// Rename helpers first, don't complain if this fails
365	+	char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH];
366	+	make_helper_path(old_path, old_helper_path, ".finf/", false);
367	+	make_helper_path(new_path, new_helper_path, ".finf/", false);
368	+	create_helper_dir(new_path, ".finf/");
369	+	rename(old_helper_path, new_helper_path);
370	+	make_helper_path(old_path, old_helper_path, ".rsrc/", false);
371	+	make_helper_path(new_path, new_helper_path, ".rsrc/", false);
372	+	create_helper_dir(new_path, ".rsrc/");
373	+	rename(old_helper_path, new_helper_path);
374	+
375	+	// Now rename file
376	+	return rename(old_path, new_path) == 0;
377	+	}

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