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/* |
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* extfs.cpp - MacOS file system for native file system access |
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* |
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* Basilisk II (C) 1997-2005 Christian Bauer |
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* Basilisk II (C) 1997-2008 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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uint32 id; // CNID of this file/dir |
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uint32 parent_id; // CNID of parent file/dir |
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FSItem *parent; // Pointer to parent |
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char name[32]; // Object name (C string) |
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char *name; // Object name (C string) - Host OS |
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char guest_name[32]; // Object name (C string) - Guest OS |
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time_t mtime; // Modification time for get_cat_info caching |
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int cache_dircount; // Cached number of files in directory |
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}; |
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return NULL; |
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} |
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|
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/* |
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* Create FSItem with the given parameters |
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*/ |
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|
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static FSItem *create_fsitem(const char *name, const char *guest_name, FSItem *parent) |
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{ |
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FSItem *p = new FSItem; |
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last_fs_item->next = p; |
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p->next = NULL; |
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last_fs_item = p; |
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p->id = next_cnid++; |
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p->parent_id = parent->id; |
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p->parent = parent; |
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p->name = new char[strlen(name) + 1]; |
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strcpy(p->name, name); |
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strncpy(p->guest_name, guest_name, 31); |
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p->guest_name[31] = 0; |
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p->mtime = 0; |
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return p; |
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} |
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/* |
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* Find FSItem for given name and parent, construct new FSItem if not found |
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} |
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// Not found, construct new FSItem |
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p = new FSItem; |
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last_fs_item->next = p; |
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p->next = NULL; |
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last_fs_item = p; |
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p->id = next_cnid++; |
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p->parent_id = parent->id; |
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p->parent = parent; |
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strncpy(p->name, name, 31); |
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p->name[31] = 0; |
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p->mtime = 0; |
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return p; |
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return create_fsitem(name, host_encoding_to_macroman(name), parent); |
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} |
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|
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/* |
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* Find FSItem for given guest_name and parent, construct new FSItem if not found |
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*/ |
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|
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static FSItem *find_fsitem_guest(const char *guest_name, FSItem *parent) |
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{ |
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FSItem *p = first_fs_item; |
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while (p) { |
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if (p->parent == parent && !strcmp(p->guest_name, guest_name)) |
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return p; |
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p = p->next; |
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} |
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|
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// Not found, construct new FSItem |
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return create_fsitem(macroman_to_host_encoding(guest_name), guest_name, parent); |
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} |
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/* |
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* Get full path (->full_path) for given FSItem |
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p->id = ROOT_PARENT_ID; |
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p->parent_id = 0; |
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p->parent = NULL; |
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p->name = new char[1]; |
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p->name[0] = 0; |
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p->guest_name[0] = 0; |
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// Create root FSItem |
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p = new FSItem; |
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p->id = ROOT_ID; |
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p->parent_id = ROOT_PARENT_ID; |
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p->parent = first_fs_item; |
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strncpy(p->name, GetString(STR_EXTFS_VOLUME_NAME), 32); |
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p->name[31] = 0; |
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const char *volume_name = GetString(STR_EXTFS_VOLUME_NAME); |
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p->name = new char[strlen(volume_name) + 1]; |
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strcpy(p->name, volume_name); |
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strncpy(p->guest_name, host_encoding_to_macroman(p->name), 32); |
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p->guest_name[31] = 0; |
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// Find path for root |
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if ((RootPath = PrefsFindString("extfs")) != NULL) { |
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FSItem *p = first_fs_item, *next; |
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while (p) { |
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next = p->next; |
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delete[] p->name; |
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delete p; |
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p = next; |
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} |
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char name[32]; |
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strn2cstr(name, (char *)Mac2HostAddr(ReadMacInt32(parseRec + ppNamePtr)) + ReadMacInt16(parseRec + ppStartOffset) + 1, ReadMacInt16(parseRec + ppComponentLength)); |
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D(bug(" entering %s\n", name)); |
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p = find_fsitem(name, p); |
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p = find_fsitem_guest(name, p); |
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current_dir = p->id; |
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// startOffset = start of next component |
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char name[32]; |
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strn2cstr(name, (char *)Mac2HostAddr(ReadMacInt32(parseRec + ppNamePtr)) + ReadMacInt16(parseRec + ppStartOffset) + 1, ReadMacInt16(parseRec + ppComponentLength)); |
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D(bug(" object is %s\n", name)); |
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item = find_fsitem(name, p); |
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item = find_fsitem_guest(name, p); |
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} |
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} |
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} |
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// Fill in struct from fs_item and stats |
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if (ReadMacInt32(pb + ioNamePtr)) |
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cstr2pstr((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), fs_item->name); |
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cstr2pstr((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), fs_item->guest_name); |
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WriteMacInt16(pb + ioFRefNum, 0); |
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WriteMacInt8(pb + ioFlAttrib, access(full_path, W_OK) == 0 ? 0 : faLocked); |
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WriteMacInt32(pb + ioDirID, fs_item->id); |
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// Fill in struct from fs_item and stats |
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if (ReadMacInt32(pb + ioNamePtr)) |
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cstr2pstr((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), fs_item->name); |
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cstr2pstr((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), fs_item->guest_name); |
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WriteMacInt16(pb + ioFRefNum, 0); |
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WriteMacInt8(pb + ioFlAttrib, (S_ISDIR(st.st_mode) ? faIsDir : 0) | (access(full_path, W_OK) == 0 ? 0 : faLocked)); |
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WriteMacInt8(pb + ioACUser, 0); |
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WriteMacInt32(fcb + fcbCatPos, fd); |
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WriteMacInt32(fcb + fcbDirID, fs_item->parent_id); |
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cstr2pstr((char *)Mac2HostAddr(fcb + fcbCName), fs_item->name); |
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cstr2pstr((char *)Mac2HostAddr(fcb + fcbCName), fs_item->guest_name); |
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return noErr; |
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} |
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