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root/cebix/BasiliskII/src/extfs.cpp
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Comparing BasiliskII/src/extfs.cpp (file contents):
Revision 1.25 by cebix, 2001-03-31T14:31:58Z vs.
Revision 1.35 by gbeauche, 2008-01-01T09:40:31Z

# Line 1 | Line 1
1   /*
2   *  extfs.cpp - MacOS file system for native file system access
3   *
4 < *  Basilisk II (C) 1997-2001 Christian Bauer
4 > *  Basilisk II (C) 1997-2008 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 48 | Line 48
48   #include <dirent.h>
49   #endif
50  
51 + #if defined __APPLE__ && defined __MACH__
52 + #include <sys/attr.h>
53 + #endif
54 +
55   #include "cpu_emulation.h"
56   #include "emul_op.h"
57   #include "main.h"
# Line 154 | Line 158 | struct FSItem {
158          uint32 id;                              // CNID of this file/dir
159          uint32 parent_id;               // CNID of parent file/dir
160          FSItem *parent;                 // Pointer to parent
161 <        char name[32];                  // Object name (C string)
161 >        char *name;                             // Object name (C string) - Host OS
162 >        char guest_name[32];    // Object name (C string) - Guest OS
163          time_t mtime;                   // Modification time for get_cat_info caching
164          int cache_dircount;             // Cached number of files in directory
165   };
# Line 165 | Line 170 | static uint32 next_cnid = fsUsrCNID;   //
170  
171  
172   /*
173 + *  Get object creation time
174 + */
175 +
176 + #if defined __APPLE__ && defined __MACH__
177 + struct crtimebuf {
178 +        unsigned long length;
179 +        struct timespec crtime;
180 + };
181 +
182 + static uint32 do_get_creation_time(const char *path)
183 + {
184 +        struct attrlist attr;
185 +        memset(&attr, 0, sizeof(attr));
186 +        attr.bitmapcount = ATTR_BIT_MAP_COUNT;
187 +        attr.commonattr = ATTR_CMN_CRTIME;
188 +
189 +        crtimebuf buf;
190 +        if (getattrlist(path, &attr, &buf, sizeof(buf), FSOPT_NOFOLLOW) < 0)
191 +                return 0;
192 +        return TimeToMacTime(buf.crtime.tv_sec);
193 + }
194 +
195 + static uint32 get_creation_time(const char *path)
196 + {
197 +        if (path == NULL)
198 +                return 0;
199 +        if (path == RootPath) {
200 +                static uint32 root_crtime = UINT_MAX;
201 +                if (root_crtime == UINT_MAX)
202 +                        root_crtime = do_get_creation_time(path);
203 +                return root_crtime;
204 +        }
205 +        return do_get_creation_time(path);
206 + }
207 + #endif
208 +
209 +
210 + /*
211   *  Find FSItem for given CNID
212   */
213  
# Line 179 | Line 222 | static FSItem *find_fsitem_by_id(uint32
222          return NULL;
223   }
224  
225 + /*
226 + *  Create FSItem with the given parameters
227 + */
228 +
229 + static FSItem *create_fsitem(const char *name, const char *guest_name, FSItem *parent)
230 + {
231 +        FSItem *p = new FSItem;
232 +        last_fs_item->next = p;
233 +        p->next = NULL;
234 +        last_fs_item = p;
235 +        p->id = next_cnid++;
236 +        p->parent_id = parent->id;
237 +        p->parent = parent;
238 +        p->name = new char[strlen(name) + 1];
239 +        strcpy(p->name, name);
240 +        strncpy(p->guest_name, guest_name, 31);
241 +        p->guest_name[31] = 0;
242 +        p->mtime = 0;
243 +        return p;
244 + }
245  
246   /*
247   *  Find FSItem for given name and parent, construct new FSItem if not found
# Line 194 | Line 257 | static FSItem *find_fsitem(const char *n
257          }
258  
259          // Not found, construct new FSItem
260 <        p = new FSItem;
198 <        last_fs_item->next = p;
199 <        p->next = NULL;
200 <        last_fs_item = p;
201 <        p->id = next_cnid++;
202 <        p->parent_id = parent->id;
203 <        p->parent = parent;
204 <        strncpy(p->name, name, 31);
205 <        p->name[31] = 0;
206 <        p->mtime = 0;
207 <        return p;
260 >        return create_fsitem(name, host_encoding_to_macroman(name), parent);
261   }
262  
263 + /*
264 + *  Find FSItem for given guest_name and parent, construct new FSItem if not found
265 + */
266 +
267 + static FSItem *find_fsitem_guest(const char *guest_name, FSItem *parent)
268 + {
269 +        FSItem *p = first_fs_item;
270 +        while (p) {
271 +                if (p->parent == parent && !strcmp(p->guest_name, guest_name))
272 +                        return p;
273 +                p = p->next;
274 +        }
275 +
276 +        // Not found, construct new FSItem
277 +        return create_fsitem(macroman_to_host_encoding(guest_name), guest_name, parent);
278 + }
279  
280   /*
281   *  Get full path (->full_path) for given FSItem
# Line 347 | Line 416 | void ExtFSInit(void)
416          p->id = ROOT_PARENT_ID;
417          p->parent_id = 0;
418          p->parent = NULL;
419 +        p->name = new char[1];
420          p->name[0] = 0;
421 +        p->guest_name[0] = 0;
422  
423          // Create root FSItem
424          p = new FSItem;
# Line 357 | Line 428 | void ExtFSInit(void)
428          p->id = ROOT_ID;
429          p->parent_id = ROOT_PARENT_ID;
430          p->parent = first_fs_item;
431 <        strncpy(p->name, GetString(STR_EXTFS_VOLUME_NAME), 32);
432 <        p->name[31] = 0;
431 >        const char *volume_name = GetString(STR_EXTFS_VOLUME_NAME);
432 >        p->name = new char[strlen(volume_name) + 1];
433 >        strcpy(p->name, volume_name);
434 >        strncpy(p->guest_name, host_encoding_to_macroman(p->name), 32);
435 >        p->guest_name[31] = 0;
436  
437          // Find path for root
438          if ((RootPath = PrefsFindString("extfs")) != NULL) {
# Line 381 | Line 455 | void ExtFSExit(void)
455          FSItem *p = first_fs_item, *next;
456          while (p) {
457                  next = p->next;
458 +                delete[] p->name;
459                  delete p;
460                  p = next;
461          }
# Line 730 | Line 805 | static int16 get_current_dir(uint32 pb,
805          if (no_vol_name)
806                  WriteMacInt32(pb + ioNamePtr, name_ptr);
807          int16 status = ReadMacInt16(fs_data + fsReturn);
733        int16 more_matches = ReadMacInt16(fs_data + fsReturn + 2);
734        int16 vRefNum = ReadMacInt16(fs_data + fsReturn + 4);
735        uint32 vcb = ReadMacInt32(fs_data + fsReturn + 6);
808          D(bug("  UTDetermineVol() returned %d, status %d\n", r.d[0], status));
809          result = (int16)(r.d[0] & 0xffff);
810  
# Line 872 | Line 944 | static int16 get_item_and_path(uint32 pb
944                                                  char name[32];
945                                                  strn2cstr(name, (char *)Mac2HostAddr(ReadMacInt32(parseRec + ppNamePtr)) + ReadMacInt16(parseRec + ppStartOffset) + 1, ReadMacInt16(parseRec + ppComponentLength));
946                                                  D(bug("  entering %s\n", name));
947 <                                                p = find_fsitem(name, p);
947 >                                                p = find_fsitem_guest(name, p);
948                                                  current_dir = p->id;
949  
950                                                  // startOffset = start of next component
# Line 895 | Line 967 | static int16 get_item_and_path(uint32 pb
967                                          char name[32];
968                                          strn2cstr(name, (char *)Mac2HostAddr(ReadMacInt32(parseRec + ppNamePtr)) + ReadMacInt16(parseRec + ppStartOffset) + 1, ReadMacInt16(parseRec + ppComponentLength));
969                                          D(bug("  object is %s\n", name));
970 <                                        item = find_fsitem(name, p);
970 >                                        item = find_fsitem_guest(name, p);
971                                  }
972                          }
973                  }
# Line 967 | Line 1039 | static int16 fs_volume_mount(uint32 pb)
1039          r.a[0] = fs_data + fsReturn;
1040          r.a[1] = fs_data + fsReturn + 2;
1041          Execute68k(fs_data + fsAllocateVCB, &r);
1042 + #if DEBUG
1043          uint16 sysVCBLength = ReadMacInt16(fs_data + fsReturn);
1044 + #endif
1045          uint32 vcb = ReadMacInt32(fs_data + fsReturn + 2);
1046          D(bug("  UTAllocateVCB() returned %d, vcb %08lx, size %d\n", r.d[0], vcb, sysVCBLength));
1047          if (r.d[0] & 0xffff)
# Line 976 | Line 1050 | static int16 fs_volume_mount(uint32 pb)
1050          // Init VCB
1051          WriteMacInt16(vcb + vcbSigWord, 0x4244);
1052   #if defined(__BEOS__) || defined(WIN32)
1053 <        WriteMacInt32(vcb + vcbCrDate, root_stat.st_crtime + TIME_OFFSET);
1053 >        WriteMacInt32(vcb + vcbCrDate, TimeToMacTime(root_stat.st_crtime));
1054 > #elif defined __APPLE__ && defined __MACH__
1055 >        WriteMacInt32(vcb + vcbCrDate, get_creation_time(RootPath));
1056   #else
1057          WriteMacInt32(vcb + vcbCrDate, 0);
1058   #endif
1059 <        WriteMacInt32(vcb + vcbLsMod, root_stat.st_mtime + TIME_OFFSET);
1059 >        WriteMacInt32(vcb + vcbLsMod, TimeToMacTime(root_stat.st_mtime));
1060          WriteMacInt32(vcb + vcbVolBkUp, 0);
1061          WriteMacInt16(vcb + vcbNmFls, 1);                       //!!
1062          WriteMacInt16(vcb + vcbNmRtDirs, 1);            //!!
# Line 1039 | Line 1115 | static int16 fs_get_vol_info(uint32 pb,
1115          if (ReadMacInt32(pb + ioNamePtr))
1116                  pstrcpy((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), VOLUME_NAME);
1117   #if defined(__BEOS__) || defined(WIN32)
1118 <        WriteMacInt32(pb + ioVCrDate, root_stat.st_crtime + TIME_OFFSET);
1118 >        WriteMacInt32(pb + ioVCrDate, TimeToMacTime(root_stat.st_crtime));
1119 > #elif defined __APPLE__ && defined __MACH__
1120 >        WriteMacInt32(pb + ioVCrDate, get_creation_time(RootPath));
1121   #else
1122          WriteMacInt32(pb + ioVCrDate, 0);
1123   #endif
1124 <        WriteMacInt32(pb + ioVLsMod, root_stat.st_mtime + TIME_OFFSET);
1124 >        WriteMacInt32(pb + ioVLsMod, TimeToMacTime(root_stat.st_mtime));
1125          WriteMacInt16(pb + ioVAtrb, 0);
1126          WriteMacInt16(pb + ioVNmFls, 1);                        //!!
1127          WriteMacInt16(pb + ioVBitMap, 0);
# Line 1225 | Line 1303 | read_next_de:
1303  
1304          // Fill in struct from fs_item and stats
1305          if (ReadMacInt32(pb + ioNamePtr))
1306 <                cstr2pstr((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), fs_item->name);
1306 >                cstr2pstr((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), fs_item->guest_name);
1307          WriteMacInt16(pb + ioFRefNum, 0);
1308          WriteMacInt8(pb + ioFlAttrib, access(full_path, W_OK) == 0 ? 0 : faLocked);
1309          WriteMacInt32(pb + ioDirID, fs_item->id);
1310  
1311   #if defined(__BEOS__) || defined(WIN32)
1312 <        WriteMacInt32(pb + ioFlCrDat, st.st_crtime + TIME_OFFSET);
1312 >        WriteMacInt32(pb + ioFlCrDat, TimeToMacTime(st.st_crtime));
1313 > #elif defined __APPLE__ && defined __MACH__
1314 >        WriteMacInt32(pb + ioFlCrDat, get_creation_time(full_path));
1315   #else
1316          WriteMacInt32(pb + ioFlCrDat, 0);
1317   #endif
1318 <        WriteMacInt32(pb + ioFlMdDat, st.st_mtime + TIME_OFFSET);
1318 >        WriteMacInt32(pb + ioFlMdDat, TimeToMacTime(st.st_mtime));
1319  
1320          get_finfo(full_path, pb + ioFlFndrInfo, hfs ? pb + ioFlXFndrInfo : 0, false);
1321  
# Line 1346 | Line 1426 | read_next_de:
1426  
1427          // Fill in struct from fs_item and stats
1428          if (ReadMacInt32(pb + ioNamePtr))
1429 <                cstr2pstr((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), fs_item->name);
1429 >                cstr2pstr((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), fs_item->guest_name);
1430          WriteMacInt16(pb + ioFRefNum, 0);
1431          WriteMacInt8(pb + ioFlAttrib, (S_ISDIR(st.st_mode) ? faIsDir : 0) | (access(full_path, W_OK) == 0 ? 0 : faLocked));
1432          WriteMacInt8(pb + ioACUser, 0);
1433          WriteMacInt32(pb + ioDirID, fs_item->id);
1434          WriteMacInt32(pb + ioFlParID, fs_item->parent_id);
1435   #if defined(__BEOS__) || defined(WIN32)
1436 <        WriteMacInt32(pb + ioFlCrDat, st.st_crtime + TIME_OFFSET);
1436 >        WriteMacInt32(pb + ioFlCrDat, TimeToMacTime(st.st_crtime));
1437 > #elif defined __APPLE__ && defined __MACH__
1438 >        WriteMacInt32(pb + ioFlCrDat, get_creation_time(full_path));
1439   #else
1440          WriteMacInt32(pb + ioFlCrDat, 0);
1441   #endif
# Line 1363 | Line 1445 | read_next_de:
1445                  fs_item->mtime = mtime;
1446                  cached = false;
1447          }
1448 <        WriteMacInt32(pb + ioFlMdDat, mtime + TIME_OFFSET);
1448 >        WriteMacInt32(pb + ioFlMdDat, TimeToMacTime(mtime));
1449          WriteMacInt32(pb + ioFlBkDat, 0);
1450  
1451          get_finfo(full_path, pb + ioFlFndrInfo, pb + ioFlXFndrInfo, S_ISDIR(st.st_mode));
# Line 1515 | Line 1597 | static int16 fs_open(uint32 pb, uint32 d
1597  
1598          WriteMacInt32(fcb + fcbCatPos, fd);
1599          WriteMacInt32(fcb + fcbDirID, fs_item->parent_id);
1600 <        cstr2pstr((char *)Mac2HostAddr(fcb + fcbCName), fs_item->name);
1600 >        cstr2pstr((char *)Mac2HostAddr(fcb + fcbCName), fs_item->guest_name);
1601          return noErr;
1602   }
1603  

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