src/Unix/extfs_unix.cpp

/*
 *  extfs_unix.cpp - MacOS file system for access native file system access, Unix specific stuff
 *
 *  Basilisk II (C) 1997-2000 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include <errno.h>

#include "sysdeps.h"
#include "extfs.h"
#include "extfs_defs.h"

#define DEBUG 0
#include "debug.h"


// Default Finder flags
const uint16 DEFAULT_FINDER_FLAGS = kHasBeenInited;


/*
 *  Initialization
 */

void extfs_init(void)
{
}


/*
 *  Deinitialization
 */

void extfs_exit(void)
{
}


/*
 *  Add component to path name
 */

void add_path_component(char *path, const char *component)
{
        int l = strlen(path);
        if (l < MAX_PATH_LENGTH-1 && path[l-1] != '/') {
                path[l] = '/';
                path[l+1] = 0;
        }
        strncat(path, component, MAX_PATH_LENGTH-1);
}


/*
 *  Finder info and resource forks are kept in helper files
 *
 *  Finder info:
 *    /path/.finf/file
 *  Resource fork:
 *    /path/.rsrc/file
 */

// Layout of Finder info helper files (all fields big-endian)
struct finf_struct {
        uint32 type;
        uint32 creator;
        uint16 flags;
        uint8 pad0[22]; // total size: 32 bytes to match the size of FInfo+FXInfo
};

static void make_helper_path(const char *src, char *dest, const char *add, bool only_dir = false)
{
        dest[0] = 0;

        // Get pointer to last component of path
        const char *last_part = strrchr(src, '/');
        if (last_part)
                last_part++;
        else
                last_part = src;

        // Copy everything before
        strncpy(dest, src, last_part-src);
        dest[last_part-src] = 0;

        // Add additional component
        strncat(dest, add, MAX_PATH_LENGTH-1);

        // Add last component
        if (!only_dir)
                strncat(dest, last_part, MAX_PATH_LENGTH-1);
}

static int create_helper_dir(const char *path, const char *add)
{
        char helper_dir[MAX_PATH_LENGTH];
        make_helper_path(path, helper_dir, add, true);
        return mkdir(helper_dir, 0777);
}

static int open_helper(const char *path, const char *add, int flag)
{
        char helper_path[MAX_PATH_LENGTH];
        make_helper_path(path, helper_path, add);

        if ((flag & O_ACCMODE) == O_RDWR || (flag & O_ACCMODE) == O_WRONLY)
                flag |= O_CREAT;
        int fd = open(helper_path, flag, 0666);
        if (fd < 0) {
                if (errno == ENOENT && (flag & O_CREAT)) {
                        // One path component was missing, probably the helper
                        // directory. Try to create it and re-open the file.
                        int ret = create_helper_dir(path, add);
                        if (ret < 0)
                                return ret;
                        fd = open(helper_path, flag, 0666);
                }
        }
        return fd;
}

static int open_finf(const char *path, int flag)
{
        return open_helper(path, ".finf/", flag);
}

static int open_rsrc(const char *path, int flag)
{
        return open_helper(path, ".rsrc/", flag);
}


/*
 *  Get/set finder type/creator for file specified by full path
 */

struct ext2type {
        const char *ext;
        uint32 type;
        uint32 creator;
};

static const ext2type e2t_translation[] = {
        {".Z", 'ZIVM', 'LZIV'},
        {".gz", 'Gzip', 'Gzip'},
        {".hqx", 'TEXT', 'SITx'},
        {".pdf", 'PDF ', 'CARO'},
        {".ps", 'TEXT', 'ttxt'},
        {".sit", 'SIT!', 'SITx'},
        {".tar", 'TARF', 'TAR '},
        {".uu", 'TEXT', 'SITx'},
        {".uue", 'TEXT', 'SITx'},
        {".zip", 'ZIP ', 'ZIP '},
        {".8svx", '8SVX', 'SNDM'},
        {".aifc", 'AIFC', 'TVOD'},
        {".aiff", 'AIFF', 'TVOD'},
        {".au", 'ULAW', 'TVOD'},
        {".mid", 'MIDI', 'TVOD'},
        {".midi", 'MIDI', 'TVOD'},
        {".mp2", 'MPG ', 'TVOD'},
        {".mp3", 'MPG ', 'TVOD'},
        {".wav", 'WAVE', 'TVOD'},
        {".bmp", 'BMPf', 'ogle'},
        {".gif", 'GIFf', 'ogle'},
        {".lbm", 'ILBM', 'GKON'},
        {".ilbm", 'ILBM', 'GKON'},
        {".jpg", 'JPEG', 'ogle'},
        {".jpeg", 'JPEG', 'ogle'},
        {".pict", 'PICT', 'ogle'},
        {".png", 'PNGf', 'ogle'},
        {".sgi", '.SGI', 'ogle'},
        {".tga", 'TPIC', 'ogle'},
        {".tif", 'TIFF', 'ogle'},
        {".tiff", 'TIFF', 'ogle'},
        {".html", 'TEXT', 'MOSS'},
        {".txt", 'TEXT', 'ttxt'},
        {".rtf", 'TEXT', 'MSWD'},
        {".c", 'TEXT', 'R*ch'},
        {".C", 'TEXT', 'R*ch'},
        {".cc", 'TEXT', 'R*ch'},
        {".cpp", 'TEXT', 'R*ch'},
        {".cxx", 'TEXT', 'R*ch'},
        {".h", 'TEXT', 'R*ch'},
        {".hh", 'TEXT', 'R*ch'},
        {".hpp", 'TEXT', 'R*ch'},
        {".hxx", 'TEXT', 'R*ch'},
        {".s", 'TEXT', 'R*ch'},
        {".S", 'TEXT', 'R*ch'},
        {".i", 'TEXT', 'R*ch'},
        {".mpg", 'MPEG', 'TVOD'},
        {".mpeg", 'MPEG', 'TVOD'},
        {".mov", 'MooV', 'TVOD'},
        {".fli", 'FLI ', 'TVOD'},
        {".avi", 'VfW ', 'TVOD'},
        {NULL, 0, 0}    // End marker
};

void get_finder_type(const char *path, uint32 &type, uint32 &creator)
{
        type = 0;
        creator = 0;

        // Open Finder info file
        int fd = open_finf(path, O_RDONLY);
        if (fd >= 0) {

                // Read file
                finf_struct finf;
                if (read(fd, &finf, sizeof(finf_struct)) >= 8) {

                        // Type/creator are in Finder info file, return them
                        type = ntohl(finf.type);
                        creator = ntohl(finf.creator);
                        close(fd);
                        return;
                }
                close(fd);
        }

        // No Finder info file, translate file name extension to MacOS type/creator
        int path_len = strlen(path);
        for (int i=0; e2t_translation[i].ext; i++) {
                int ext_len = strlen(e2t_translation[i].ext);
                if (path_len < ext_len)
                        continue;
                if (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) {
                        type = e2t_translation[i].type;
                        creator = e2t_translation[i].creator;
                        break;
                }
        }
}

void set_finder_type(const char *path, uint32 type, uint32 creator)
{
        // Open Finder info file
        int fd = open_finf(path, O_RDWR);
        if (fd < 0)
                return;

        // Read file
        finf_struct finf;
        finf.flags = DEFAULT_FINDER_FLAGS;
        memset(&finf, 0, sizeof(finf_struct));
        read(fd, &finf, sizeof(finf_struct));

        // Set Finder flags
        finf.type = htonl(type);
        finf.creator = htonl(creator);

        // Update file
        lseek(fd, 0, SEEK_SET);
        write(fd, &finf, sizeof(finf_struct));
        close(fd);
}


/*
 *  Get/set finder flags for file/dir specified by full path
 */

void get_finder_flags(const char *path, uint16 &flags)
{
        flags = DEFAULT_FINDER_FLAGS;   // Default

        // Open Finder info file
        int fd = open_finf(path, O_RDONLY);
        if (fd < 0)
                return;

        // Read Finder flags
        finf_struct finf;
        if (read(fd, &finf, sizeof(finf_struct)) >= 10)
                flags = ntohs(finf.flags);

        // Close file
        close(fd);
}

void set_finder_flags(const char *path, uint16 flags)
{
        // Open Finder info file
        int fd = open_finf(path, O_RDWR);
        if (fd < 0)
                return;

        // Read file
        finf_struct finf;
        memset(&finf, 0, sizeof(finf_struct));
        finf.flags = DEFAULT_FINDER_FLAGS;
        read(fd, &finf, sizeof(finf_struct));

        // Set Finder flags
        finf.flags = htons(flags);

        // Update file
        lseek(fd, 0, SEEK_SET);
        write(fd, &finf, sizeof(finf_struct));
        close(fd);
}


/*
 *  Resource fork emulation functions
 */

uint32 get_rfork_size(const char *path)
{
        // Open resource file
        int fd = open_rsrc(path, O_RDONLY);
        if (fd < 0)
                return 0;

        // Get size
        off_t size = lseek(fd, 0, SEEK_END);
        
        // Close file and return size
        close(fd);
        return size < 0 ? 0 : size;
}

int open_rfork(const char *path, int flag)
{
        return open_rsrc(path, flag);
}

void close_rfork(const char *path, int fd)
{
        close(fd);
}


/*
 *  Read "length" bytes from file to "buffer",
 *  returns number of bytes read (or -1 on error)
 */

ssize_t extfs_read(int fd, void *buffer, size_t length)
{
        return read(fd, buffer, length);
}


/*
 *  Write "length" bytes from "buffer" to file,
 *  returns number of bytes written (or -1 on error)
 */

ssize_t extfs_write(int fd, void *buffer, size_t length)
{
        return write(fd, buffer, length);
}


/*
 *  Remove file/directory (and associated helper files),
 *  returns false on error (and sets errno)
 */

bool extfs_remove(const char *path)
{
        // Remove helpers first, don't complain if this fails
        char helper_path[MAX_PATH_LENGTH];
        make_helper_path(path, helper_path, ".finf/", false);
        remove(helper_path);
        make_helper_path(path, helper_path, ".rsrc/", false);
        remove(helper_path);

        // Now remove file or directory (and helper directories in the directory)
        if (remove(path) < 0) {
                if (errno == EISDIR || errno == ENOTEMPTY) {
                        helper_path[0] = 0;
                        strncpy(helper_path, path, MAX_PATH_LENGTH-1);
                        add_path_component(helper_path, ".finf");
                        rmdir(helper_path);
                        helper_path[0] = 0;
                        strncpy(helper_path, path, MAX_PATH_LENGTH-1);
                        add_path_component(helper_path, ".rsrc");
                        rmdir(helper_path);
                        return rmdir(path) == 0;
                } else
                        return false;
        }
        return true;
}


/*
 *  Rename/move file/directory (and associated helper files),
 *  returns false on error (and sets errno)
 */

bool extfs_rename(const char *old_path, const char *new_path)
{
        // Rename helpers first, don't complain if this fails
        char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH];
        make_helper_path(old_path, old_helper_path, ".finf/", false);
        make_helper_path(new_path, new_helper_path, ".finf/", false);
        create_helper_dir(new_path, ".finf/");
        rename(old_helper_path, new_helper_path);
        make_helper_path(old_path, old_helper_path, ".rsrc/", false);
        make_helper_path(new_path, new_helper_path, ".rsrc/", false);
        create_helper_dir(new_path, ".rsrc/");
        rename(old_helper_path, new_helper_path);

        // Now rename file
        return rename(old_path, new_path) == 0;
}
Revision:	1.12
Committed:	2000-04-10T18:53:02Z (24 years, 1 month ago) by cebix
Branch:	MAIN
CVS Tags:	snapshot-13072000
Changes since 1.11:	+1 -1 lines
Log Message:	- updated copyright info: 1999->2000
#	Content
1	/*
2	* extfs_unix.cpp - MacOS file system for access native file system access, Unix specific stuff
3	*
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
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19	*/
20
21	#include <sys/types.h>
22	#include <sys/stat.h>
23	#include <stdio.h>
24	#include <stdlib.h>
25	#include <unistd.h>
26	#include <dirent.h>
27	#include <errno.h>
28
29	#include "sysdeps.h"
30	#include "extfs.h"
31	#include "extfs_defs.h"
32
33	#define DEBUG 0
34	#include "debug.h"
35
36
37	// Default Finder flags
38	const uint16 DEFAULT_FINDER_FLAGS = kHasBeenInited;
39
40
41	/*
42	* Initialization
43	*/
44
45	void extfs_init(void)
46	{
47	}
48
49
50	/*
51	* Deinitialization
52	*/
53
54	void extfs_exit(void)
55	{
56	}
57
58
59	/*
60	* Add component to path name
61	*/
62
63	void add_path_component(char path, const char component)
64	{
65	int l = strlen(path);
66	if (l < MAX_PATH_LENGTH-1 && path[l-1] != '/') {
67	path[l] = '/';
68	path[l+1] = 0;
69	}
70	strncat(path, component, MAX_PATH_LENGTH-1);
71	}
72
73
74	/*
75	* Finder info and resource forks are kept in helper files
76	*
77	* Finder info:
78	* /path/.finf/file
79	* Resource fork:
80	* /path/.rsrc/file
81	*/
82
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	uint8 pad0[22]; // total size: 32 bytes to match the size of FInfo+FXInfo
89	};
90
91	static void make_helper_path(const char src, char dest, const char *add, bool only_dir = false)
92	{
93	dest[0] = 0;
94
95	// Get pointer to last component of path
96	const char *last_part = strrchr(src, '/');
97	if (last_part)
98	last_part++;
99	else
100	last_part = src;
101
102	// Copy everything before
103	strncpy(dest, src, last_part-src);
104	dest[last_part-src] = 0;
105
106	// Add additional component
107	strncat(dest, add, MAX_PATH_LENGTH-1);
108
109	// Add last component
110	if (!only_dir)
111	strncat(dest, last_part, MAX_PATH_LENGTH-1);
112	}
113
114	static int create_helper_dir(const char path, const char add)
115	{
116	char helper_dir[MAX_PATH_LENGTH];
117	make_helper_path(path, helper_dir, add, true);
118	return mkdir(helper_dir, 0777);
119	}
120
121	static int open_helper(const char path, const char add, int flag)
122	{
123	char helper_path[MAX_PATH_LENGTH];
124	make_helper_path(path, helper_path, add);
125
126	if ((flag & O_ACCMODE) == O_RDWR \|\| (flag & O_ACCMODE) == O_WRONLY)
127	flag \|= O_CREAT;
128	int fd = open(helper_path, flag, 0666);
129	if (fd < 0) {
130	if (errno == ENOENT && (flag & O_CREAT)) {
131	// One path component was missing, probably the helper
132	// directory. Try to create it and re-open the file.
133	int ret = create_helper_dir(path, add);
134	if (ret < 0)
135	return ret;
136	fd = open(helper_path, flag, 0666);
137	}
138	}
139	return fd;
140	}
141
142	static int open_finf(const char *path, int flag)
143	{
144	return open_helper(path, ".finf/", flag);
145	}
146
147	static int open_rsrc(const char *path, int flag)
148	{
149	return open_helper(path, ".rsrc/", flag);
150	}
151
152
153	/*
154	* Get/set finder type/creator for file specified by full path
155	*/
156
157	struct ext2type {
158	const char *ext;
159	uint32 type;
160	uint32 creator;
161	};
162
163	static const ext2type e2t_translation[] = {
164	{".Z", 'ZIVM', 'LZIV'},
165	{".gz", 'Gzip', 'Gzip'},
166	{".hqx", 'TEXT', 'SITx'},
167	{".pdf", 'PDF ', 'CARO'},
168	{".ps", 'TEXT', 'ttxt'},
169	{".sit", 'SIT!', 'SITx'},
170	{".tar", 'TARF', 'TAR '},
171	{".uu", 'TEXT', 'SITx'},
172	{".uue", 'TEXT', 'SITx'},
173	{".zip", 'ZIP ', 'ZIP '},
174	{".8svx", '8SVX', 'SNDM'},
175	{".aifc", 'AIFC', 'TVOD'},
176	{".aiff", 'AIFF', 'TVOD'},
177	{".au", 'ULAW', 'TVOD'},
178	{".mid", 'MIDI', 'TVOD'},
179	{".midi", 'MIDI', 'TVOD'},
180	{".mp2", 'MPG ', 'TVOD'},
181	{".mp3", 'MPG ', 'TVOD'},
182	{".wav", 'WAVE', 'TVOD'},
183	{".bmp", 'BMPf', 'ogle'},
184	{".gif", 'GIFf', 'ogle'},
185	{".lbm", 'ILBM', 'GKON'},
186	{".ilbm", 'ILBM', 'GKON'},
187	{".jpg", 'JPEG', 'ogle'},
188	{".jpeg", 'JPEG', 'ogle'},
189	{".pict", 'PICT', 'ogle'},
190	{".png", 'PNGf', 'ogle'},
191	{".sgi", '.SGI', 'ogle'},
192	{".tga", 'TPIC', 'ogle'},
193	{".tif", 'TIFF', 'ogle'},
194	{".tiff", 'TIFF', 'ogle'},
195	{".html", 'TEXT', 'MOSS'},
196	{".txt", 'TEXT', 'ttxt'},
197	{".rtf", 'TEXT', 'MSWD'},
198	{".c", 'TEXT', 'R*ch'},
199	{".C", 'TEXT', 'R*ch'},
200	{".cc", 'TEXT', 'R*ch'},
201	{".cpp", 'TEXT', 'R*ch'},
202	{".cxx", 'TEXT', 'R*ch'},
203	{".h", 'TEXT', 'R*ch'},
204	{".hh", 'TEXT', 'R*ch'},
205	{".hpp", 'TEXT', 'R*ch'},
206	{".hxx", 'TEXT', 'R*ch'},
207	{".s", 'TEXT', 'R*ch'},
208	{".S", 'TEXT', 'R*ch'},
209	{".i", 'TEXT', 'R*ch'},
210	{".mpg", 'MPEG', 'TVOD'},
211	{".mpeg", 'MPEG', 'TVOD'},
212	{".mov", 'MooV', 'TVOD'},
213	{".fli", 'FLI ', 'TVOD'},
214	{".avi", 'VfW ', 'TVOD'},
215	{NULL, 0, 0} // End marker
216	};
217
218	void get_finder_type(const char *path, uint32 &type, uint32 &creator)
219	{
220	type = 0;
221	creator = 0;
222
223	// Open Finder info file
224	int fd = open_finf(path, O_RDONLY);
225	if (fd >= 0) {
226
227	// Read file
228	finf_struct finf;
229	if (read(fd, &finf, sizeof(finf_struct)) >= 8) {
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	}
237	close(fd);
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;
250	}
251	}
252	}
253
254	void set_finder_type(const char *path, uint32 type, uint32 creator)
255	{
256	// Open Finder info file
257	int fd = open_finf(path, O_RDWR);
258	if (fd < 0)
259	return;
260
261	// Read file
262	finf_struct finf;
263	finf.flags = DEFAULT_FINDER_FLAGS;
264	memset(&finf, 0, sizeof(finf_struct));
265	read(fd, &finf, sizeof(finf_struct));
266
267	// Set Finder flags
268	finf.type = htonl(type);
269	finf.creator = htonl(creator);
270
271	// Update file
272	lseek(fd, 0, SEEK_SET);
273	write(fd, &finf, sizeof(finf_struct));
274	close(fd);
275	}
276
277
278	/*
279	* Get/set finder flags for file/dir specified by full path
280	*/
281
282	void get_finder_flags(const char *path, uint16 &flags)
283	{
284	flags = DEFAULT_FINDER_FLAGS; // Default
285
286	// Open Finder info file
287	int fd = open_finf(path, O_RDONLY);
288	if (fd < 0)
289	return;
290
291	// Read Finder flags
292	finf_struct finf;
293	if (read(fd, &finf, sizeof(finf_struct)) >= 10)
294	flags = ntohs(finf.flags);
295
296	// Close file
297	close(fd);
298	}
299
300	void set_finder_flags(const char *path, uint16 flags)
301	{
302	// Open Finder info file
303	int fd = open_finf(path, O_RDWR);
304	if (fd < 0)
305	return;
306
307	// Read file
308	finf_struct finf;
309	memset(&finf, 0, sizeof(finf_struct));
310	finf.flags = DEFAULT_FINDER_FLAGS;
311	read(fd, &finf, sizeof(finf_struct));
312
313	// Set Finder flags
314	finf.flags = htons(flags);
315
316	// Update file
317	lseek(fd, 0, SEEK_SET);
318	write(fd, &finf, sizeof(finf_struct));
319	close(fd);
320	}
321
322
323	/*
324	* Resource fork emulation functions
325	*/
326
327	uint32 get_rfork_size(const char *path)
328	{
329	// Open resource file
330	int fd = open_rsrc(path, O_RDONLY);
331	if (fd < 0)
332	return 0;
333
334	// Get size
335	off_t size = lseek(fd, 0, SEEK_END);
336
337	// Close file and return size
338	close(fd);
339	return size < 0 ? 0 : size;
340	}
341
342	int open_rfork(const char *path, int flag)
343	{
344	return open_rsrc(path, flag);
345	}
346
347	void close_rfork(const char *path, int fd)
348	{
349	close(fd);
350	}
351
352
353	/*
354	* Read "length" bytes from file to "buffer",
355	* returns number of bytes read (or -1 on error)
356	*/
357
358	ssize_t extfs_read(int fd, void *buffer, size_t length)
359	{
360	return read(fd, buffer, length);
361	}
362
363
364	/*
365	* Write "length" bytes from "buffer" to file,
366	* returns number of bytes written (or -1 on error)
367	*/
368
369	ssize_t extfs_write(int fd, void *buffer, size_t length)
370	{
371	return write(fd, buffer, length);
372	}
373
374
375	/*
376	* Remove file/directory (and associated helper files),
377	* returns false on error (and sets errno)
378	*/
379
380	bool extfs_remove(const char *path)
381	{
382	// Remove helpers first, don't complain if this fails
383	char helper_path[MAX_PATH_LENGTH];
384	make_helper_path(path, helper_path, ".finf/", false);
385	remove(helper_path);
386	make_helper_path(path, helper_path, ".rsrc/", false);
387	remove(helper_path);
388
389	// Now remove file or directory (and helper directories in the directory)
390	if (remove(path) < 0) {
391	if (errno == EISDIR \|\| errno == ENOTEMPTY) {
392	helper_path[0] = 0;
393	strncpy(helper_path, path, MAX_PATH_LENGTH-1);
394	add_path_component(helper_path, ".finf");
395	rmdir(helper_path);
396	helper_path[0] = 0;
397	strncpy(helper_path, path, MAX_PATH_LENGTH-1);
398	add_path_component(helper_path, ".rsrc");
399	rmdir(helper_path);
400	return rmdir(path) == 0;
401	} else
402	return false;
403	}
404	return true;
405	}
406
407
408	/*
409	* Rename/move file/directory (and associated helper files),
410	* returns false on error (and sets errno)
411	*/
412
413	bool extfs_rename(const char old_path, const char new_path)
414	{
415	// Rename helpers first, don't complain if this fails
416	char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH];
417	make_helper_path(old_path, old_helper_path, ".finf/", false);
418	make_helper_path(new_path, new_helper_path, ".finf/", false);
419	create_helper_dir(new_path, ".finf/");
420	rename(old_helper_path, new_helper_path);
421	make_helper_path(old_path, old_helper_path, ".rsrc/", false);
422	make_helper_path(new_path, new_helper_path, ".rsrc/", false);
423	create_helper_dir(new_path, ".rsrc/");
424	rename(old_helper_path, new_helper_path);
425
426	// Now rename file
427	return rename(old_path, new_path) == 0;
428	}