src/Windows/extfs_windows.cpp

/*
 *  extfs_windows.cpp - MacOS file system for access native file system access, Windows specific stuff
 *
 *  Basilisk II (C) 1997-2008 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 <errno.h>

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


#define DEBUG 0
#include "debug.h"


// Constants
#define HOST_DIRSEP_CHAR '\\'
#define HOST_DIRSEP_STR  "\\"


// Default Finder flags
const uint16 DEFAULT_FINDER_FLAGS = kHasBeenInited;


/*
 *  Initialization
 */

void extfs_init(void)
{
        init_posix_emu();
}


/*
 *  Deinitialization
 */

void extfs_exit(void)
{
        final_posix_emu();
}


/*
 *  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] != HOST_DIRSEP_CHAR) {
                path[l] = HOST_DIRSEP_CHAR;
                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
 *
 *  The .finf files store a FInfo/DInfo, followed by a FXInfo/DXInfo
 *  (16+16 bytes)
 */

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, HOST_DIRSEP_CHAR);
        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);
        if (helper_dir[strlen(helper_dir) - 1] == HOST_DIRSEP_CHAR)     // Remove trailing "\"
                helper_dir[strlen(helper_dir) - 1] = 0;
        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" HOST_DIRSEP_STR, flag);
}

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


/*
 *  Get/set finder info for file/directory specified by full path
 */

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

static const ext2type e2t_translation[] = {
        {".Z", FOURCC('Z','I','V','M'), FOURCC('L','Z','I','V')},
        {".gz", FOURCC('G','z','i','p'), FOURCC('G','z','i','p')},
        {".hqx", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
        {".bin", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
        {".pdf", FOURCC('P','D','F',' '), FOURCC('C','A','R','O')},
        {".ps", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')},
        {".sit", FOURCC('S','I','T','!'), FOURCC('S','I','T','x')},
        {".tar", FOURCC('T','A','R','F'), FOURCC('T','A','R',' ')},
        {".uu", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
        {".uue", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
        {".zip", FOURCC('Z','I','P',' '), FOURCC('Z','I','P',' ')},
        {".8svx", FOURCC('8','S','V','X'), FOURCC('S','N','D','M')},
        {".aifc", FOURCC('A','I','F','C'), FOURCC('T','V','O','D')},
        {".aiff", FOURCC('A','I','F','F'), FOURCC('T','V','O','D')},
        {".au", FOURCC('U','L','A','W'), FOURCC('T','V','O','D')},
        {".mid", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')},
        {".midi", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')},
        {".mp2", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')},
        {".mp3", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')},
        {".wav", FOURCC('W','A','V','E'), FOURCC('T','V','O','D')},
        {".bmp", FOURCC('B','M','P','f'), FOURCC('o','g','l','e')},
        {".gif", FOURCC('G','I','F','f'), FOURCC('o','g','l','e')},
        {".lbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')},
        {".ilbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')},
        {".jpg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')},
        {".jpeg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')},
        {".pict", FOURCC('P','I','C','T'), FOURCC('o','g','l','e')},
        {".png", FOURCC('P','N','G','f'), FOURCC('o','g','l','e')},
        {".sgi", FOURCC('.','S','G','I'), FOURCC('o','g','l','e')},
        {".tga", FOURCC('T','P','I','C'), FOURCC('o','g','l','e')},
        {".tif", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')},
        {".tiff", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')},
        {".htm", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')},
        {".html", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')},
        {".txt", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')},
        {".rtf", FOURCC('T','E','X','T'), FOURCC('M','S','W','D')},
        {".c", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".C", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".cc", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".cpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".cxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".h", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".hh", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".hpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".hxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".s", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".S", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".i", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
        {".mpg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')},
        {".mpeg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')},
        {".mov", FOURCC('M','o','o','V'), FOURCC('T','V','O','D')},
        {".fli", FOURCC('F','L','I',' '), FOURCC('T','V','O','D')},
        {".avi", FOURCC('V','f','W',' '), FOURCC('T','V','O','D')},
        {".qxd", FOURCC('X','D','O','C'), FOURCC('X','P','R','3')},
        {".hfv", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')},
        {".dsk", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')},
        {".img", FOURCC('r','o','h','d'), FOURCC('d','d','s','k')},
        {NULL, 0, 0}    // End marker
};

void get_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir)
{
        // Set default finder info
        Mac_memset(finfo, 0, SIZEOF_FInfo);
        if (fxinfo)
                Mac_memset(fxinfo, 0, SIZEOF_FXInfo);
        WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS);
        WriteMacInt32(finfo + fdLocation, (uint32)-1);

        // Read Finder info file
        int fd = open_finf(path, O_RDONLY);
        if (fd >= 0) {
                ssize_t actual = read(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
                if (fxinfo)
                        actual += read(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
                close(fd);
                if (actual >= SIZEOF_FInfo)
                        return;
        }

        // No Finder info file, translate file name extension to MacOS type/creator
        if (!is_dir) {
                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)) {
                                WriteMacInt32(finfo + fdType, e2t_translation[i].type);
                                WriteMacInt32(finfo + fdCreator, e2t_translation[i].creator);
                                break;
                        }
                }
        }
}

void set_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir)
{
        // Open Finder info file
        int fd = open_finf(path, O_RDWR);
        if (fd < 0)
                return;

        // Write file
        write(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
        if (fxinfo)
                write(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
        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)
{
        if (fd >= 0)
                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" HOST_DIRSEP_STR, false);
        remove(helper_path);
        make_helper_path(path, helper_path, ".rsrc" HOST_DIRSEP_STR, 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" HOST_DIRSEP_STR, false);
        make_helper_path(new_path, new_helper_path, ".finf" HOST_DIRSEP_STR, false);
        create_helper_dir(new_path, ".finf" HOST_DIRSEP_STR);
        rename(old_helper_path, new_helper_path);
        make_helper_path(old_path, old_helper_path, ".rsrc" HOST_DIRSEP_STR, false);
        make_helper_path(new_path, new_helper_path, ".rsrc" HOST_DIRSEP_STR, false);
        create_helper_dir(new_path, ".rsrc" HOST_DIRSEP_STR);
        rename(old_helper_path, new_helper_path);

        // Now rename file
        return rename(old_path, new_path) == 0;
}


// Convert from the host OS filename encoding to MacRoman
const char *host_encoding_to_macroman(const char *filename)
{
        return filename;
}

// Convert from MacRoman to host OS filename encoding
const char *macroman_to_host_encoding(const char *filename)
{
        return filename;
}

Revision:	1.5
Committed:	2008-01-01T09:40:33Z (16 years, 5 months ago) by gbeauche
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.4:	+1 -1 lines
Log Message:	Happy New Year!
#	User	Rev	Content
1	gbeauche	1.1	/*
2			* extfs_windows.cpp - MacOS file system for access native file system access, Windows specific stuff
3			*
4	gbeauche	1.5	* Basilisk II (C) 1997-2008 Christian Bauer
5	gbeauche	1.1	*
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 <errno.h>
26
27			#include "sysdeps.h"
28			#include "extfs.h"
29			#include "extfs_defs.h"
30			#include "posix_emu.h"
31
32
33			#define DEBUG 0
34			#include "debug.h"
35
36
37			// Constants
38			#define HOST_DIRSEP_CHAR '\\'
39			#define HOST_DIRSEP_STR "\\"
40
41
42			// Default Finder flags
43			const uint16 DEFAULT_FINDER_FLAGS = kHasBeenInited;
44
45
46			/*
47			* Initialization
48			*/
49
50			void extfs_init(void)
51			{
52			init_posix_emu();
53			}
54
55
56			/*
57			* Deinitialization
58			*/
59
60			void extfs_exit(void)
61			{
62			final_posix_emu();
63			}
64
65
66			/*
67			* Add component to path name
68			*/
69
70			void add_path_component(char path, const char component)
71			{
72			int l = strlen(path);
73			if (l < MAX_PATH_LENGTH-1 && path[l-1] != HOST_DIRSEP_CHAR) {
74			path[l] = HOST_DIRSEP_CHAR;
75			path[l+1] = 0;
76			}
77			strncat(path, component, MAX_PATH_LENGTH-1);
78			}
79
80
81			/*
82			* Finder info and resource forks are kept in helper files
83			*
84			* Finder info:
85			* /path/.finf/file
86			* Resource fork:
87			* /path/.rsrc/file
88			*
89			* The .finf files store a FInfo/DInfo, followed by a FXInfo/DXInfo
90			* (16+16 bytes)
91			*/
92
93			static void make_helper_path(const char src, char dest, const char *add, bool only_dir = false)
94			{
95			dest[0] = 0;
96
97			// Get pointer to last component of path
98			const char *last_part = strrchr(src, HOST_DIRSEP_CHAR);
99			if (last_part)
100			last_part++;
101			else
102			last_part = src;
103
104			// Copy everything before
105			strncpy(dest, src, last_part-src);
106			dest[last_part-src] = 0;
107
108			// Add additional component
109			strncat(dest, add, MAX_PATH_LENGTH-1);
110
111			// Add last component
112			if (!only_dir)
113			strncat(dest, last_part, MAX_PATH_LENGTH-1);
114			}
115
116			static int create_helper_dir(const char path, const char add)
117			{
118			char helper_dir[MAX_PATH_LENGTH];
119			make_helper_path(path, helper_dir, add, true);
120			if (helper_dir[strlen(helper_dir) - 1] == HOST_DIRSEP_CHAR) // Remove trailing "\"
121			helper_dir[strlen(helper_dir) - 1] = 0;
122			return mkdir(helper_dir, 0777);
123			}
124
125			static int open_helper(const char path, const char add, int flag)
126			{
127			char helper_path[MAX_PATH_LENGTH];
128			make_helper_path(path, helper_path, add);
129
130			if ((flag & O_ACCMODE) == O_RDWR \|\| (flag & O_ACCMODE) == O_WRONLY)
131			flag \|= O_CREAT;
132			int fd = open(helper_path, flag, 0666);
133			if (fd < 0) {
134			if (/errno == ENOENT &&/ (flag & O_CREAT)) {
135			// One path component was missing, probably the helper
136			// directory. Try to create it and re-open the file.
137			int ret = create_helper_dir(path, add);
138			if (ret < 0)
139			return ret;
140			fd = open(helper_path, flag, 0666);
141			}
142			}
143			return fd;
144			}
145
146			static int open_finf(const char *path, int flag)
147			{
148			return open_helper(path, ".finf" HOST_DIRSEP_STR, flag);
149			}
150
151			static int open_rsrc(const char *path, int flag)
152			{
153			return open_helper(path, ".rsrc" HOST_DIRSEP_STR, flag);
154			}
155
156
157			/*
158			* Get/set finder info for file/directory specified by full path
159			*/
160
161			struct ext2type {
162			const char *ext;
163			uint32 type;
164			uint32 creator;
165			};
166
167			static const ext2type e2t_translation[] = {
168			{".Z", FOURCC('Z','I','V','M'), FOURCC('L','Z','I','V')},
169			{".gz", FOURCC('G','z','i','p'), FOURCC('G','z','i','p')},
170			{".hqx", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
171			{".bin", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
172			{".pdf", FOURCC('P','D','F',' '), FOURCC('C','A','R','O')},
173			{".ps", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')},
174			{".sit", FOURCC('S','I','T','!'), FOURCC('S','I','T','x')},
175			{".tar", FOURCC('T','A','R','F'), FOURCC('T','A','R',' ')},
176			{".uu", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
177			{".uue", FOURCC('T','E','X','T'), FOURCC('S','I','T','x')},
178			{".zip", FOURCC('Z','I','P',' '), FOURCC('Z','I','P',' ')},
179			{".8svx", FOURCC('8','S','V','X'), FOURCC('S','N','D','M')},
180			{".aifc", FOURCC('A','I','F','C'), FOURCC('T','V','O','D')},
181			{".aiff", FOURCC('A','I','F','F'), FOURCC('T','V','O','D')},
182			{".au", FOURCC('U','L','A','W'), FOURCC('T','V','O','D')},
183			{".mid", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')},
184			{".midi", FOURCC('M','I','D','I'), FOURCC('T','V','O','D')},
185			{".mp2", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')},
186			{".mp3", FOURCC('M','P','G',' '), FOURCC('T','V','O','D')},
187			{".wav", FOURCC('W','A','V','E'), FOURCC('T','V','O','D')},
188			{".bmp", FOURCC('B','M','P','f'), FOURCC('o','g','l','e')},
189			{".gif", FOURCC('G','I','F','f'), FOURCC('o','g','l','e')},
190			{".lbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')},
191			{".ilbm", FOURCC('I','L','B','M'), FOURCC('G','K','O','N')},
192			{".jpg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')},
193			{".jpeg", FOURCC('J','P','E','G'), FOURCC('o','g','l','e')},
194			{".pict", FOURCC('P','I','C','T'), FOURCC('o','g','l','e')},
195			{".png", FOURCC('P','N','G','f'), FOURCC('o','g','l','e')},
196			{".sgi", FOURCC('.','S','G','I'), FOURCC('o','g','l','e')},
197			{".tga", FOURCC('T','P','I','C'), FOURCC('o','g','l','e')},
198			{".tif", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')},
199			{".tiff", FOURCC('T','I','F','F'), FOURCC('o','g','l','e')},
200			{".htm", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')},
201			{".html", FOURCC('T','E','X','T'), FOURCC('M','O','S','S')},
202			{".txt", FOURCC('T','E','X','T'), FOURCC('t','t','x','t')},
203			{".rtf", FOURCC('T','E','X','T'), FOURCC('M','S','W','D')},
204			{".c", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
205			{".C", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
206			{".cc", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
207			{".cpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
208			{".cxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
209			{".h", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
210			{".hh", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
211			{".hpp", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
212			{".hxx", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
213			{".s", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
214			{".S", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
215			{".i", FOURCC('T','E','X','T'), FOURCC('R','*','c','h')},
216			{".mpg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')},
217			{".mpeg", FOURCC('M','P','E','G'), FOURCC('T','V','O','D')},
218			{".mov", FOURCC('M','o','o','V'), FOURCC('T','V','O','D')},
219			{".fli", FOURCC('F','L','I',' '), FOURCC('T','V','O','D')},
220			{".avi", FOURCC('V','f','W',' '), FOURCC('T','V','O','D')},
221			{".qxd", FOURCC('X','D','O','C'), FOURCC('X','P','R','3')},
222			{".hfv", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')},
223			{".dsk", FOURCC('D','D','i','m'), FOURCC('d','d','s','k')},
224			{".img", FOURCC('r','o','h','d'), FOURCC('d','d','s','k')},
225			{NULL, 0, 0} // End marker
226			};
227
228			void get_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir)
229			{
230			// Set default finder info
231			Mac_memset(finfo, 0, SIZEOF_FInfo);
232			if (fxinfo)
233			Mac_memset(fxinfo, 0, SIZEOF_FXInfo);
234			WriteMacInt16(finfo + fdFlags, DEFAULT_FINDER_FLAGS);
235			WriteMacInt32(finfo + fdLocation, (uint32)-1);
236
237			// Read Finder info file
238			int fd = open_finf(path, O_RDONLY);
239			if (fd >= 0) {
240			ssize_t actual = read(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
241			if (fxinfo)
242			actual += read(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
243			close(fd);
244			if (actual >= SIZEOF_FInfo)
245			return;
246			}
247
248			// No Finder info file, translate file name extension to MacOS type/creator
249			if (!is_dir) {
250			int path_len = strlen(path);
251			for (int i=0; e2t_translation[i].ext; i++) {
252			int ext_len = strlen(e2t_translation[i].ext);
253			if (path_len < ext_len)
254			continue;
255			if (!strcmp(path + path_len - ext_len, e2t_translation[i].ext)) {
256			WriteMacInt32(finfo + fdType, e2t_translation[i].type);
257			WriteMacInt32(finfo + fdCreator, e2t_translation[i].creator);
258			break;
259			}
260			}
261			}
262			}
263
264			void set_finfo(const char *path, uint32 finfo, uint32 fxinfo, bool is_dir)
265			{
266			// Open Finder info file
267			int fd = open_finf(path, O_RDWR);
268			if (fd < 0)
269			return;
270
271			// Write file
272			write(fd, Mac2HostAddr(finfo), SIZEOF_FInfo);
273			if (fxinfo)
274			write(fd, Mac2HostAddr(fxinfo), SIZEOF_FXInfo);
275			close(fd);
276			}
277
278
279			/*
280			* Resource fork emulation functions
281			*/
282
283			uint32 get_rfork_size(const char *path)
284			{
285			// Open resource file
286			int fd = open_rsrc(path, O_RDONLY);
287			if (fd < 0)
288			return 0;
289
290			// Get size
291			off_t size = lseek(fd, 0, SEEK_END);
292
293			// Close file and return size
294			close(fd);
295			return size < 0 ? 0 : size;
296			}
297
298			int open_rfork(const char *path, int flag)
299			{
300			return open_rsrc(path, flag);
301			}
302
303			void close_rfork(const char *path, int fd)
304			{
305			if (fd >= 0)
306			close(fd);
307			}
308
309
310			/*
311			* Read "length" bytes from file to "buffer",
312			* returns number of bytes read (or -1 on error)
313			*/
314
315			ssize_t extfs_read(int fd, void *buffer, size_t length)
316			{
317			return read(fd, buffer, length);
318			}
319
320
321			/*
322			* Write "length" bytes from "buffer" to file,
323			* returns number of bytes written (or -1 on error)
324			*/
325
326			ssize_t extfs_write(int fd, void *buffer, size_t length)
327			{
328			return write(fd, buffer, length);
329			}
330
331
332			/*
333			* Remove file/directory (and associated helper files),
334			* returns false on error (and sets errno)
335			*/
336
337			bool extfs_remove(const char *path)
338			{
339			// Remove helpers first, don't complain if this fails
340			char helper_path[MAX_PATH_LENGTH];
341			make_helper_path(path, helper_path, ".finf" HOST_DIRSEP_STR, false);
342			remove(helper_path);
343			make_helper_path(path, helper_path, ".rsrc" HOST_DIRSEP_STR, false);
344			remove(helper_path);
345
346			// Now remove file or directory (and helper directories in the directory)
347			if (remove(path) < 0) {
348			if (errno == EISDIR \|\| errno == ENOTEMPTY) {
349			helper_path[0] = 0;
350			strncpy(helper_path, path, MAX_PATH_LENGTH-1);
351			add_path_component(helper_path, ".finf");
352			rmdir(helper_path);
353			helper_path[0] = 0;
354			strncpy(helper_path, path, MAX_PATH_LENGTH-1);
355			add_path_component(helper_path, ".rsrc");
356			rmdir(helper_path);
357			return rmdir(path) == 0;
358			} else
359			return false;
360			}
361			return true;
362			}
363
364
365			/*
366			* Rename/move file/directory (and associated helper files),
367			* returns false on error (and sets errno)
368			*/
369
370			bool extfs_rename(const char old_path, const char new_path)
371			{
372			// Rename helpers first, don't complain if this fails
373			char old_helper_path[MAX_PATH_LENGTH], new_helper_path[MAX_PATH_LENGTH];
374			make_helper_path(old_path, old_helper_path, ".finf" HOST_DIRSEP_STR, false);
375			make_helper_path(new_path, new_helper_path, ".finf" HOST_DIRSEP_STR, false);
376			create_helper_dir(new_path, ".finf" HOST_DIRSEP_STR);
377			rename(old_helper_path, new_helper_path);
378			make_helper_path(old_path, old_helper_path, ".rsrc" HOST_DIRSEP_STR, false);
379			make_helper_path(new_path, new_helper_path, ".rsrc" HOST_DIRSEP_STR, false);
380			create_helper_dir(new_path, ".rsrc" HOST_DIRSEP_STR);
381			rename(old_helper_path, new_helper_path);
382
383			// Now rename file
384			return rename(old_path, new_path) == 0;
385			}
386	asvitkine	1.3
387
388			// Convert from the host OS filename encoding to MacRoman
389			const char host_encoding_to_macroman(const char filename)
390			{
391			return filename;
392			}
393	asvitkine	1.4
394			// Convert from MacRoman to host OS filename encoding
395			const char macroman_to_host_encoding(const char filename)
396			{
397			return filename;
398			}
399