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root/cebix/BasiliskII/src/extfs.cpp

Comparing BasiliskII/src/extfs.cpp (file contents):
Revision 1.13 by cebix, 1999-11-08T18:05:55Z vs.
Revision 1.29 by cebix, 2004-01-12T15:29:21Z

#	Line 1 | Line 1
1		/*
2	<	*  extfs.cpp - MacOS file system for access native file system access
2	>	*  extfs.cpp - MacOS file system for native file system access
3		*
4	<	*  Basilisk II (C) 1997-1999 Christian Bauer
4	>	*  Basilisk II (C) 1997-2004 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 40 | Line 40
40		#include <string.h>
41		#include <stdio.h>
42		#include <stdlib.h>
43	–	#include <unistd.h>
43		#include <fcntl.h>
45	–	#include <dirent.h>
44		#include <errno.h>
45
46	+	#ifndef WIN32
47	+	#include <unistd.h>
48	+	#include <dirent.h>
49	+	#endif
50	+
51		#include "cpu_emulation.h"
49	–	#include "macos_util.h"
52		#include "emul_op.h"
53		#include "main.h"
54		#include "disk.h"
#	Line 55 | Line 57
57		#include "extfs.h"
58		#include "extfs_defs.h"
59
60	+	#ifdef WIN32
61	+	# include "posix_emu.h"
62	+	#endif
63	+
64		#define DEBUG 0
65		#include "debug.h"
66
#	Line 65 | Line 71 | enum {
71		fsHFSProcStub = 6,
72		fsDrvStatus = 12,                               // Drive Status record
73		fsFSD = 42,                                             // File system descriptor
74	<	fsPB = 238,                                             // IOParam (for mounting and renaming)
74	>	fsPB = 238,                                             // IOParam (for mounting and renaming), also used for temporary storage
75		fsVMI = 288,                                    // VoumeMountInfoHeader (for mounting)
76		fsParseRec = 296,                               // ParsePathRec struct
77		fsReturn = 306,                                 // Area for return data of 68k routines
#	Line 101 | Line 107 | static bool ready = false;
107		static struct stat root_stat;
108
109		// File system ID/media type
110	<	const int16 MY_FSID = 'ba';
111	<	const uint32 MY_MEDIA_TYPE = 'basi';
110	>	const int16 MY_FSID = EMULATOR_ID_2;
111	>	const uint32 MY_MEDIA_TYPE = EMULATOR_ID_4;
112
113		// CNID of root and root's parent
114		const uint32 ROOT_ID = 2;
#	Line 111 | Line 117 | const uint32 ROOT_PARENT_ID = 1;
117		// File system stack size
118		const int STACK_SIZE = 0x10000;
119
120	+	// Allocation block and clump size as reported to MacOS (these are of course
121	+	// not the real values and have no meaning on the host OS)
122	+	const int AL_BLK_SIZE = 0x4000;
123	+	const int CLUMP_SIZE = 0x4000;
124	+
125		// Drive number of our pseudo-drive
126		static int drive_number;
127
#	Line 223 | Line 234 | static void get_path_for_fsitem(FSItem *
234
235
236		/*
237	+	*  Exchange parent CNIDs in all FSItems
238	+	*/
239	+
240	+	static void swap_parent_ids(uint32 parent1, uint32 parent2)
241	+	{
242	+	FSItem *p = first_fs_item;
243	+	while (p) {
244	+	if (p->parent_id == parent1)
245	+	p->parent_id = parent2;
246	+	else if (p->parent_id == parent2)
247	+	p->parent_id = parent1;
248	+	p = p->next;
249	+	}
250	+	}
251	+
252	+
253	+	/*
254		*  String handling functions
255		*/
256
#	Line 240 | Line 268 | static void cstr2pstr(char *dst, const c
268		*dst++ = strlen(src);
269		char c;
270		while ((c = *src++) != 0) {
271	+	// Note: we are converting host ':' characters to Mac '/' characters here
272	+	// '/' is not a path separator as this function is only used on object names
273		if (c == ':')
274		c = '/';
275		*dst++ = c;
276		}
277		}
278
249	–	// Convert pascal string to C string
250	–	static void pstr2cstr(char *dst, const char *src)
251	–	{
252	–	int size = *src++;
253	–	while (size--) {
254	–	char c = *src++;
255	–	if (c == '/')
256	–	c = ':';
257	–	*dst++ = c;
258	–	}
259	–	*dst = 0;
260	–	}
261	–
279		// Convert string (no length byte) to C string, length given separately
280		static void strn2cstr(char *dst, const char *src, int size)
281		{
282		while (size--) {
283		char c = *src++;
284	+	// Note: we are converting Mac '/' characters to host ':' characters here
285	+	// '/' is not a path separator as this function is only used on object names
286		if (c == '/')
287		c = ':';
288		*dst++ = c;
#	Line 339 | Line 358 | void ExtFSInit(void)
358		p->parent_id = ROOT_PARENT_ID;
359		p->parent = first_fs_item;
360		strncpy(p->name, GetString(STR_EXTFS_VOLUME_NAME), 32);
361	+	p->name[31] = 0;
362
363		// Find path for root
364		if ((RootPath = PrefsFindString("extfs")) != NULL) {
#	Line 387 | Line 407 | void InstallExtFS(void)
407		// FSM present?
408		r.d[0] = gestaltFSAttr;
409		Execute68kTrap(0xa1ad, &r);     // Gestalt()
410	<	D(bug("FSAttr %ld, %08lx\n", r.d[0], r.a[0]));
410	>	D(bug("FSAttr %d, %08x\n", r.d[0], r.a[0]));
411		if ((r.d[0] & 0xffff) || !(r.a[0] & (1 << gestaltHasFileSystemManager))) {
412		printf("WARNING: No FSM present, disabling ExtFS\n");
413		return;
#	Line 396 | Line 416 | void InstallExtFS(void)
416		// Yes, version >=1.2?
417		r.d[0] = gestaltFSMVersion;
418		Execute68kTrap(0xa1ad, &r);     // Gestalt()
419	<	D(bug("FSMVersion %ld, %08lx\n", r.d[0], r.a[0]));
419	>	D(bug("FSMVersion %d, %08x\n", r.d[0], r.a[0]));
420		if ((r.d[0] & 0xffff) || (r.a[0] < 0x0120)) {
421		printf("WARNING: FSM <1.2 found, disabling ExtFS\n");
422		return;
#	Line 666 | Line 686 | int16 ExtFSComm(uint16 message, uint32 p
686		}
687
688		case ffsIDDiskMessage: {                // Check if volume is handled by our FS
689	<	if (ReadMacInt16(paramBlock + ioVRefNum) == drive_number)
689	>	if ((int16)ReadMacInt16(paramBlock + ioVRefNum) == drive_number)
690		return noErr;
691		else
692		return extFSErr;
#	Line 710 | Line 730 | static int16 get_current_dir(uint32 pb,
730		if (no_vol_name)
731		WriteMacInt32(pb + ioNamePtr, name_ptr);
732		int16 status = ReadMacInt16(fs_data + fsReturn);
713	–	int16 more_matches = ReadMacInt16(fs_data + fsReturn + 2);
714	–	int16 vRefNum = ReadMacInt16(fs_data + fsReturn + 4);
715	–	uint32 vcb = ReadMacInt32(fs_data + fsReturn + 6);
733		D(bug("  UTDetermineVol() returned %d, status %d\n", r.d[0], status));
734	<	result = r.d[0] & 0xffff;
734	>	result = (int16)(r.d[0] & 0xffff);
735
736		if (result == noErr) {
737		switch (status) {
#	Line 739 | Line 756 | static int16 get_current_dir(uint32 pb,
756		Execute68k(fs_data + fsResolveWDCB, &r);
757		uint32 wdcb = ReadMacInt32(fs_data + fsReturn);
758		D(bug("  UTResolveWDCB() returned %d, dirID %d\n", r.d[0], ReadMacInt32(wdcb + wdDirID)));
759	<	result = r.d[0] & 0xffff;
759	>	result = (int16)(r.d[0] & 0xffff);
760		if (result == noErr)
761		current_dir = ReadMacInt32(wdcb + wdDirID);
762		}
#	Line 755 | Line 772 | static int16 get_current_dir(uint32 pb,
772		r.a[0] = wdpb;
773		Execute68k(fs_data + fsGetDefaultVol, &r);
774		D(bug("  UTGetDefaultVol() returned %d, dirID %d\n", r.d[0], ReadMacInt32(wdpb + ioWDDirID)));
775	<	result = r.d[0] & 0xffff;
775	>	result = (int16)(r.d[0] & 0xffff);
776		if (result == noErr)
777		current_dir = ReadMacInt32(wdpb + ioWDDirID);
778		}
#	Line 781 | Line 798 | static int16 get_path_component_name(uin
798		r.a[0] = rec;
799		Execute68k(fs_data + fsGetPathComponentName, &r);
800		//      D(bug("  UTGetPathComponentName returned %d\n", r.d[0]));
801	<	return r.d[0] & 0xffff;
801	>	return (int16)(r.d[0] & 0xffff);
802		}
803
804
#	Line 817 | Line 834 | static int16 get_item_and_path(uint32 pb
834		r.a[1] = ReadMacInt32(parseRec + ppNamePtr);
835		Execute68k(fs_data + fsParsePathname, &r);
836		D(bug("  UTParsePathname() returned %d, startOffset %d\n", r.d[0], ReadMacInt16(parseRec + ppStartOffset)));
837	<	result = r.d[0] & 0xffff;
837	>	result = (int16)(r.d[0] & 0xffff);
838		if (result == noErr) {
839
840		// Check for leading delimiter of the partial pathname
#	Line 930 | Line 947 | static uint32 find_fcb(int16 refNum)
947		static int16 fs_mount_vol(uint32 pb)
948		{
949		D(bug(" fs_mount_vol(%08lx), vRefNum %d\n", pb, ReadMacInt16(pb + ioVRefNum)));
950	<	if (ReadMacInt16(pb + ioVRefNum) == drive_number)
950	>	if ((int16)ReadMacInt16(pb + ioVRefNum) == drive_number)
951		return noErr;
952		else
953		return extFSErr;
#	Line 947 | Line 964 | static int16 fs_volume_mount(uint32 pb)
964		r.a[0] = fs_data + fsReturn;
965		r.a[1] = fs_data + fsReturn + 2;
966		Execute68k(fs_data + fsAllocateVCB, &r);
967	+	#if DEBUG
968		uint16 sysVCBLength = ReadMacInt16(fs_data + fsReturn);
969	+	#endif
970		uint32 vcb = ReadMacInt32(fs_data + fsReturn + 2);
971		D(bug("  UTAllocateVCB() returned %d, vcb %08lx, size %d\n", r.d[0], vcb, sysVCBLength));
972		if (r.d[0] & 0xffff)
973	<	return r.d[0];
973	>	return (int16)r.d[0];
974
975		// Init VCB
976		WriteMacInt16(vcb + vcbSigWord, 0x4244);
977	<	#ifdef __BEOS__
978	<	WriteMacInt32(vcb + vcbCrDate, root_stat.st_crtime + TIME_OFFSET);
977	>	#if defined(__BEOS__) || defined(WIN32)
978	>	WriteMacInt32(vcb + vcbCrDate, TimeToMacTime(root_stat.st_crtime));
979		#else
980		WriteMacInt32(vcb + vcbCrDate, 0);
981		#endif
982	<	WriteMacInt32(vcb + vcbLsMod, root_stat.st_mtime + TIME_OFFSET);
982	>	WriteMacInt32(vcb + vcbLsMod, TimeToMacTime(root_stat.st_mtime));
983		WriteMacInt32(vcb + vcbVolBkUp, 0);
984		WriteMacInt16(vcb + vcbNmFls, 1);                       //!!
985		WriteMacInt16(vcb + vcbNmRtDirs, 1);            //!!
986		WriteMacInt16(vcb + vcbNmAlBlks, 0xffff);       //!!
987	<	WriteMacInt32(vcb + vcbAlBlkSiz, 1024);
988	<	WriteMacInt32(vcb + vcbClpSiz, 1024);
987	>	WriteMacInt32(vcb + vcbAlBlkSiz, AL_BLK_SIZE);
988	>	WriteMacInt32(vcb + vcbClpSiz, CLUMP_SIZE);
989		WriteMacInt32(vcb + vcbNxtCNID, next_cnid);
990		WriteMacInt16(vcb + vcbFreeBks, 0xffff);        //!!
991		Host2Mac_memcpy(vcb + vcbVN, VOLUME_NAME, 28);
#	Line 980 | Line 999 | static int16 fs_volume_mount(uint32 pb)
999		r.a[0] = fs_data + fsReturn;
1000		r.a[1] = vcb;
1001		Execute68k(fs_data + fsAddNewVCB, &r);
1002	<	int16 vRefNum = ReadMacInt32(fs_data + fsReturn);
1002	>	int16 vRefNum = (int16)ReadMacInt32(fs_data + fsReturn);
1003		D(bug("  UTAddNewVCB() returned %d, vRefNum %d\n", r.d[0], vRefNum));
1004		if (r.d[0] & 0xffff)
1005	<	return r.d[0];
1005	>	return (int16)r.d[0];
1006
1007		// Post diskInsertEvent
1008		D(bug("  posting diskInsertEvent\n"));
#	Line 1007 | Line 1026 | static int16 fs_unmount_vol(uint32 vcb)
1026		r.a[0] = vcb;
1027		Execute68k(fs_data + fsDisposeVCB, &r);
1028		D(bug("  UTDisposeVCB() returned %d\n", r.d[0]));
1029	<	return r.d[0];
1029	>	return (int16)r.d[0];
1030		}
1031
1032		// Get information about a volume (HVolumeParam)
#	Line 1018 | Line 1037 | static int16 fs_get_vol_info(uint32 pb,
1037		// Fill in struct
1038		if (ReadMacInt32(pb + ioNamePtr))
1039		pstrcpy((char *)Mac2HostAddr(ReadMacInt32(pb + ioNamePtr)), VOLUME_NAME);
1040	<	#ifdef __BEOS__
1041	<	WriteMacInt32(pb + ioVCrDate, root_stat.st_crtime + TIME_OFFSET);
1040	>	#if defined(__BEOS__) || defined(WIN32)
1041	>	WriteMacInt32(pb + ioVCrDate, TimeToMacTime(root_stat.st_crtime));
1042		#else
1043		WriteMacInt32(pb + ioVCrDate, 0);
1044		#endif
1045	<	WriteMacInt32(pb + ioVLsMod, root_stat.st_mtime + TIME_OFFSET);
1045	>	WriteMacInt32(pb + ioVLsMod, TimeToMacTime(root_stat.st_mtime));
1046		WriteMacInt16(pb + ioVAtrb, 0);
1047		WriteMacInt16(pb + ioVNmFls, 1);                        //!!
1048		WriteMacInt16(pb + ioVBitMap, 0);
1049		WriteMacInt16(pb + ioAllocPtr, 0);
1050		WriteMacInt16(pb + ioVNmAlBlks, 0xffff);        //!!
1051	<	WriteMacInt32(pb + ioVAlBlkSiz, 1024);
1052	<	WriteMacInt32(pb + ioVClpSiz, 1024);
1051	>	WriteMacInt32(pb + ioVAlBlkSiz, AL_BLK_SIZE);
1052	>	WriteMacInt32(pb + ioVClpSiz, CLUMP_SIZE);
1053		WriteMacInt16(pb + ioAlBlSt, 0);
1054		WriteMacInt32(pb + ioVNxtCNID, next_cnid);
1055		WriteMacInt16(pb + ioVFrBlk, 0xffff);           //!!
#	Line 1063 | Line 1082 | static int16 fs_get_vol_parms(uint32 pb)
1082		//      D(bug(" fs_get_vol_parms(%08lx)\n", pb));
1083
1084		// Return parameter block
1066	–	uint8 vol[SIZEOF_GetVolParmsInfoBuffer];
1067	–	WriteMacInt16((uint32)vol + vMVersion, 2);
1068	–	WriteMacInt32((uint32)vol + vMAttrib, kNoMiniFndr | kNoVNEdit | kNoLclSync | kTrshOffLine | kNoSwitchTo | kNoBootBlks | kNoSysDir | kHasExtFSVol);
1069	–	WriteMacInt32((uint32)vol + vMLocalHand, 0);
1070	–	WriteMacInt32((uint32)vol + vMServerAdr, 0);
1071	–	WriteMacInt32((uint32)vol + vMVolumeGrade, 0);
1072	–	WriteMacInt16((uint32)vol + vMForeignPrivID, 0);
1085		uint32 actual = ReadMacInt32(pb + ioReqCount);
1086	<	if (actual > sizeof(vol))
1087	<	actual = sizeof(vol);
1076	<	Host2Mac_memcpy(ReadMacInt32(pb + ioBuffer), vol, actual);
1086	>	if (actual > SIZEOF_GetVolParmsInfoBuffer)
1087	>	actual = SIZEOF_GetVolParmsInfoBuffer;
1088		WriteMacInt32(pb + ioActCount, actual);
1089	+	uint32 p = ReadMacInt32(pb + ioBuffer);
1090	+	if (actual > vMVersion) WriteMacInt16(p + vMVersion, 2);
1091	+	if (actual > vMAttrib) WriteMacInt32(p + vMAttrib, kNoMiniFndr | kNoVNEdit | kNoLclSync | kTrshOffLine | kNoSwitchTo | kNoBootBlks | kNoSysDir | kHasExtFSVol);
1092	+	if (actual > vMLocalHand) WriteMacInt32(p + vMLocalHand, 0);
1093	+	if (actual > vMServerAdr) WriteMacInt32(p + vMServerAdr, 0);
1094	+	if (actual > vMVolumeGrade) WriteMacInt32(p + vMVolumeGrade, 0);
1095	+	if (actual > vMForeignPrivID) WriteMacInt16(p + vMForeignPrivID, 0);
1096		return noErr;
1097		}
1098
#	Line 1089 | Line 1107 | static int16 fs_get_vol(uint32 pb)
1107		r.a[0] = pb;
1108		Execute68k(fs_data + fsGetDefaultVol, &r);
1109		D(bug("  UTGetDefaultVol() returned %d\n", r.d[0]));
1110	<	return r.d[0];
1110	>	return (int16)r.d[0];
1111		}
1112
1113		// Set default volume (WDParam)
#	Line 1145 | Line 1163 | static int16 fs_set_vol(uint32 pb, bool
1163		r.d[2] = refNum;
1164		Execute68k(fs_data + fsSetDefaultVol, &r);
1165		D(bug("  UTSetDefaultVol() returned %d\n", r.d[0]));
1166	<	return r.d[0];
1166	>	return (int16)r.d[0];
1167		}
1168
1169		// Query file attributes (HFileParam)
#	Line 1211 | Line 1229 | read_next_de:
1229		WriteMacInt8(pb + ioFlAttrib, access(full_path, W_OK) == 0 ? 0 : faLocked);
1230		WriteMacInt32(pb + ioDirID, fs_item->id);
1231
1232	<	#ifdef __BEOS__
1233	<	WriteMacInt32(pb + ioFlCrDat, st.st_crtime + TIME_OFFSET);
1232	>	#if defined(__BEOS__) || defined(WIN32)
1233	>	WriteMacInt32(pb + ioFlCrDat, TimeToMacTime(st.st_crtime));
1234		#else
1235		WriteMacInt32(pb + ioFlCrDat, 0);
1236		#endif
1237	<	WriteMacInt32(pb + ioFlMdDat, st.st_mtime + TIME_OFFSET);
1237	>	WriteMacInt32(pb + ioFlMdDat, TimeToMacTime(st.st_mtime));
1238
1239	<	Mac_memset(pb + ioFlFndrInfo, 0, SIZEOF_FInfo);
1222	<	uint32 type, creator;   // pb may point to kernel space, but stack is switched
1223	<	get_finder_type(full_path, type, creator);
1224	<	WriteMacInt32(pb + ioFlFndrInfo + fdType, type);
1225	<	WriteMacInt32(pb + ioFlFndrInfo + fdCreator, creator);
1226	<	uint16 fflags;
1227	<	get_finder_flags(full_path, fflags);
1228	<	WriteMacInt16(pb + ioFlFndrInfo + fdFlags, fflags);
1239	>	get_finfo(full_path, pb + ioFlFndrInfo, hfs ? pb + ioFlXFndrInfo : 0, false);
1240
1241		WriteMacInt16(pb + ioFlStBlk, 0);
1242		WriteMacInt32(pb + ioFlLgLen, st.st_size);
1243	<	WriteMacInt32(pb + ioFlPyLen, (st.st_size + 1023) & ~1023);
1243	>	WriteMacInt32(pb + ioFlPyLen, (st.st_size | (AL_BLK_SIZE - 1)) + 1);
1244		WriteMacInt16(pb + ioFlRStBlk, 0);
1245		uint32 rf_size = get_rfork_size(full_path);
1246		WriteMacInt32(pb + ioFlRLgLen, rf_size);
1247	<	WriteMacInt32(pb + ioFlRPyLen, (rf_size + 1023) & ~1023);
1247	>	WriteMacInt32(pb + ioFlRPyLen, (rf_size | (AL_BLK_SIZE - 1)) + 1);
1248
1249		if (hfs) {
1250		WriteMacInt32(pb + ioFlBkDat, 0);
1240	–	Mac_memset(pb + ioFlXFndrInfo, 0, SIZEOF_FXInfo);
1251		WriteMacInt32(pb + ioFlParID, fs_item->parent_id);
1252		WriteMacInt32(pb + ioFlClpSiz, 0);
1253		}
#	Line 1262 | Line 1272 | static int16 fs_set_file_info(uint32 pb,
1272		if (S_ISDIR(st.st_mode))
1273		return fnfErr;
1274
1275	<	// Set attributes
1276	<	set_finder_type(full_path, ReadMacInt32(pb + ioFlFndrInfo + fdType), ReadMacInt32(pb + ioFlFndrInfo + fdCreator));
1277	<	set_finder_flags(full_path, ReadMacInt16(pb + ioFlFndrInfo + fdFlags));
1275	>	// Set Finder info
1276	>	set_finfo(full_path, pb + ioFlFndrInfo, hfs ? pb + ioFlXFndrInfo : 0, false);
1277	>
1278		//!! times
1279		return noErr;
1280		}
#	Line 1341 | Line 1351 | read_next_de:
1351		WriteMacInt8(pb + ioACUser, 0);
1352		WriteMacInt32(pb + ioDirID, fs_item->id);
1353		WriteMacInt32(pb + ioFlParID, fs_item->parent_id);
1354	<	#ifdef __BEOS__
1355	<	WriteMacInt32(pb + ioFlCrDat, st.st_crtime + TIME_OFFSET);
1354	>	#if defined(__BEOS__) || defined(WIN32)
1355	>	WriteMacInt32(pb + ioFlCrDat, TimeToMacTime(st.st_crtime));
1356		#else
1357		WriteMacInt32(pb + ioFlCrDat, 0);
1358		#endif
#	Line 1352 | Line 1362 | read_next_de:
1362		fs_item->mtime = mtime;
1363		cached = false;
1364		}
1365	<	WriteMacInt32(pb + ioFlMdDat, mtime + TIME_OFFSET);
1365	>	WriteMacInt32(pb + ioFlMdDat, TimeToMacTime(mtime));
1366		WriteMacInt32(pb + ioFlBkDat, 0);
1367	+
1368	+	get_finfo(full_path, pb + ioFlFndrInfo, pb + ioFlXFndrInfo, S_ISDIR(st.st_mode));
1369	+
1370		if (S_ISDIR(st.st_mode)) {
1358	–	Mac_memset(pb + ioDrUsrWds, 0, SIZEOF_DInfo);
1359	–	Mac_memset(pb + ioDrFndrInfo, 0, SIZEOF_DXInfo);
1360	–	uint16 fflags;  // pb may point to kernel space, but stack is switched
1361	–	get_finder_flags(full_path, fflags);
1362	–	WriteMacInt16(pb + ioDrUsrWds + frFlags, fflags);
1371
1372		// Determine number of files in directory (cached)
1373		int count;
#	Line 1384 | Line 1392 | read_next_de:
1392		}
1393		WriteMacInt16(pb + ioDrNmFls, count);
1394		} else {
1387	–	Mac_memset(pb + ioFlFndrInfo, 0, SIZEOF_FInfo);
1388	–	Mac_memset(pb + ioFlXFndrInfo, 0, SIZEOF_FXInfo);
1389	–	uint32 type, creator;   // pb may point to kernel space, but stack is switched
1390	–	get_finder_type(full_path, type, creator);
1391	–	WriteMacInt32(pb + ioFlFndrInfo + fdType, type);
1392	–	WriteMacInt32(pb + ioFlFndrInfo + fdCreator, creator);
1393	–	uint16 fflags;
1394	–	get_finder_flags(full_path, fflags);
1395	–	WriteMacInt16(pb + ioFlFndrInfo + fdFlags, fflags);
1395		WriteMacInt16(pb + ioFlStBlk, 0);
1396		WriteMacInt32(pb + ioFlLgLen, st.st_size);
1397	<	WriteMacInt32(pb + ioFlPyLen, (st.st_size + 1023) & ~1023);
1397	>	WriteMacInt32(pb + ioFlPyLen, (st.st_size | (AL_BLK_SIZE - 1)) + 1);
1398		WriteMacInt16(pb + ioFlRStBlk, 0);
1399		uint32 rf_size = get_rfork_size(full_path);
1400		WriteMacInt32(pb + ioFlRLgLen, rf_size);
1401	<	WriteMacInt32(pb + ioFlRPyLen, (rf_size + 1023) & ~1023);
1401	>	WriteMacInt32(pb + ioFlRPyLen, (rf_size | (AL_BLK_SIZE - 1)) + 1);
1402		WriteMacInt32(pb + ioFlClpSiz, 0);
1403		}
1404		return noErr;
#	Line 1421 | Line 1420 | static int16 fs_set_cat_info(uint32 pb)
1420		if (stat(full_path, &st) < 0)
1421		return errno2oserr();
1422
1423	<	// Set attributes
1424	<	if (S_ISDIR(st.st_mode))
1425	<	set_finder_flags(full_path, ReadMacInt16(pb + ioDrUsrWds + frFlags));
1427	<	else {
1428	<	set_finder_type(full_path, ReadMacInt32(pb + ioFlFndrInfo + fdType), ReadMacInt32(pb + ioFlFndrInfo + fdCreator));
1429	<	set_finder_flags(full_path, ReadMacInt16(pb + ioFlFndrInfo + fdFlags));
1430	<	}
1423	>	// Set Finder info
1424	>	set_finfo(full_path, pb + ioFlFndrInfo, pb + ioFlXFndrInfo, S_ISDIR(st.st_mode));
1425	>
1426		//!! times
1427		return noErr;
1428		}
#	Line 1474 | Line 1469 | static int16 fs_open(uint32 pb, uint32 d
1469		if (access(full_path, F_OK))
1470		return fnfErr;
1471		fd = open_rfork(full_path, flag);
1472	<	if (fd > 0) {
1473	<	if (fstat(fd, &st) < 0)
1472	>	if (fd >= 0) {
1473	>	if (fstat(fd, &st) < 0) {
1474	>	close(fd);
1475		return errno2oserr();
1476	+	}
1477		} else {        // Resource fork not supported, silently ignore it ("pseudo" resource fork)
1478		st.st_size = 0;
1479		st.st_mode = 0;
#	Line 1485 | Line 1482 | static int16 fs_open(uint32 pb, uint32 d
1482		fd = open(full_path, flag);
1483		if (fd < 0)
1484		return errno2oserr();
1485	<	if (fstat(fd, &st) < 0)
1485	>	if (fstat(fd, &st) < 0) {
1486	>	close(fd);
1487		return errno2oserr();
1488	+	}
1489		}
1490
1491		// File open, allocate FCB
#	Line 1498 | Line 1497 | static int16 fs_open(uint32 pb, uint32 d
1497		D(bug("  UTAllocateFCB() returned %d, fRefNum %d, fcb %08lx\n", r.d[0], ReadMacInt16(pb + ioRefNum), fcb));
1498		if (r.d[0] & 0xffff) {
1499		close(fd);
1500	<	return r.d[0];
1500	>	return (int16)r.d[0];
1501		}
1502
1503		// Initialize FCB, fd is stored in fcbCatPos
1504		WriteMacInt32(fcb + fcbFlNm, fs_item->id);
1505		WriteMacInt8(fcb + fcbFlags, ((flag == O_WRONLY || flag == O_RDWR) ? fcbWriteMask : 0) | (resource_fork ? fcbResourceMask : 0) | (write_ok ? 0 : fcbFileLockedMask));
1506		WriteMacInt32(fcb + fcbEOF, st.st_size);
1507	<	WriteMacInt32(fcb + fcbPLen, (st.st_size + 1023) & ~1023);
1507	>	WriteMacInt32(fcb + fcbPLen, (st.st_size | (AL_BLK_SIZE - 1)) + 1);
1508		WriteMacInt32(fcb + fcbCrPs, 0);
1509		WriteMacInt32(fcb + fcbVPtr, vcb);
1510	<	WriteMacInt32(fcb + fcbClmpSize, 1024);
1511	<	uint32 type, creator;   // fcb may point to kernel space, but stack is switched
1512	<	get_finder_type(full_path, type, creator);
1513	<	WriteMacInt32(fcb + fcbFType, type);
1510	>	WriteMacInt32(fcb + fcbClmpSize, CLUMP_SIZE);
1511	>
1512	>	get_finfo(full_path, fs_data + fsPB, 0, false);
1513	>	WriteMacInt32(fcb + fcbFType, ReadMacInt32(fs_data + fsPB + fdType));
1514	>
1515		WriteMacInt32(fcb + fcbCatPos, fd);
1516		WriteMacInt32(fcb + fcbDirID, fs_item->parent_id);
1517		cstr2pstr((char *)Mac2HostAddr(fcb + fcbCName), fs_item->name);
#	Line 1548 | Line 1548 | static int16 fs_close(uint32 pb)
1548		r.d[0] = ReadMacInt16(pb + ioRefNum);
1549		Execute68k(fs_data + fsReleaseFCB, &r);
1550		D(bug("  UTReleaseFCB() returned %d\n", r.d[0]));
1551	<	return r.d[0];
1551	>	return (int16)r.d[0];
1552		}
1553
1554		// Query information about FCB (FCBPBRec)
#	Line 1567 | Line 1567 | static int16 fs_get_fcb_info(uint32 pb,
1567
1568		// Find FCB by index
1569		WriteMacInt16(pb + ioRefNum, 0);
1570	<	for (int i=0; i<ReadMacInt16(pb + ioFCBIndx); i++) {
1570	>	for (int i=0; i<(int)ReadMacInt16(pb + ioFCBIndx); i++) {
1571		D(bug("  indexing FCBs\n"));
1572		r.a[0] = vcb;
1573		r.a[1] = pb + ioRefNum;
#	Line 1576 | Line 1576 | static int16 fs_get_fcb_info(uint32 pb,
1576		fcb = ReadMacInt32(fs_data + fsReturn);
1577		D(bug("  UTIndexFCB() returned %d, fcb %p\n", r.d[0], fcb));
1578		if (r.d[0] & 0xffff)
1579	<	return r.d[0];
1579	>	return (int16)r.d[0];
1580		}
1581		}
1582		if (fcb == 0)
#	Line 1624 | Line 1624 | static int16 fs_get_eof(uint32 pb)
1624
1625		// Adjust FCBs
1626		WriteMacInt32(fcb + fcbEOF, st.st_size);
1627	<	WriteMacInt32(fcb + fcbPLen, (st.st_size + 1023) & ~1023);
1627	>	WriteMacInt32(fcb + fcbPLen, (st.st_size | (AL_BLK_SIZE - 1)) + 1);
1628		WriteMacInt32(pb + ioMisc, st.st_size);
1629		D(bug("  adjusting FCBs\n"));
1630		r.d[0] = ReadMacInt16(pb + ioRefNum);
#	Line 1659 | Line 1659 | static int16 fs_set_eof(uint32 pb)
1659
1660		// Adjust FCBs
1661		WriteMacInt32(fcb + fcbEOF, size);
1662	<	WriteMacInt32(fcb + fcbPLen, (size + 1023) & ~1023);
1662	>	WriteMacInt32(fcb + fcbPLen, (size | (AL_BLK_SIZE - 1)) + 1);
1663		D(bug("  adjusting FCBs\n"));
1664		r.d[0] = ReadMacInt16(pb + ioRefNum);
1665		Execute68k(fs_data + fsAdjustEOF, &r);
#	Line 1744 | Line 1744 | static int16 fs_read(uint32 pb)
1744		{
1745		D(bug(" fs_read(%08lx), refNum %d, buffer %p, count %d, posMode %d, posOffset %d\n", pb, ReadMacInt16(pb + ioRefNum), ReadMacInt32(pb + ioBuffer), ReadMacInt32(pb + ioReqCount), ReadMacInt16(pb + ioPosMode), ReadMacInt32(pb + ioPosOffset)));
1746
1747	+	// Check parameters
1748	+	if ((int32)ReadMacInt32(pb + ioReqCount) < 0)
1749	+	return paramErr;
1750	+
1751		// Find FCB and fd for file
1752		uint32 fcb = find_fcb(ReadMacInt16(pb + ioRefNum));
1753		if (fcb == 0)
#	Line 1775 | Line 1779 | static int16 fs_read(uint32 pb)
1779		}
1780
1781		// Read
1782	<	size_t actual = extfs_read(fd, Mac2HostAddr(ReadMacInt32(pb + ioBuffer)), ReadMacInt32(pb + ioReqCount));
1782	>	ssize_t actual = extfs_read(fd, Mac2HostAddr(ReadMacInt32(pb + ioBuffer)), ReadMacInt32(pb + ioReqCount));
1783		int16 read_err = errno2oserr();
1784		D(bug("  actual %d\n", actual));
1785	<	WriteMacInt32(pb + ioActCount, actual);
1785	>	WriteMacInt32(pb + ioActCount, actual >= 0 ? actual : 0);
1786		uint32 pos = lseek(fd, 0, SEEK_CUR);
1787		WriteMacInt32(fcb + fcbCrPs, pos);
1788		WriteMacInt32(pb + ioPosOffset, pos);
1789	<	if (actual != ReadMacInt32(pb + ioReqCount))
1790	<	return read_err ? read_err : eofErr;
1789	>	if (actual != (ssize_t)ReadMacInt32(pb + ioReqCount))
1790	>	return actual < 0 ? read_err : eofErr;
1791		else
1792		return noErr;
1793		}
#	Line 1793 | Line 1797 | static int16 fs_write(uint32 pb)
1797		{
1798		D(bug(" fs_write(%08lx), refNum %d, buffer %p, count %d, posMode %d, posOffset %d\n", pb, ReadMacInt16(pb + ioRefNum), ReadMacInt32(pb + ioBuffer), ReadMacInt32(pb + ioReqCount), ReadMacInt16(pb + ioPosMode), ReadMacInt32(pb + ioPosOffset)));
1799
1800	+	// Check parameters
1801	+	if ((int32)ReadMacInt32(pb + ioReqCount) < 0)
1802	+	return paramErr;
1803	+
1804		// Find FCB and fd for file
1805		uint32 fcb = find_fcb(ReadMacInt16(pb + ioRefNum));
1806		if (fcb == 0)
#	Line 1824 | Line 1832 | static int16 fs_write(uint32 pb)
1832		}
1833
1834		// Write
1835	<	size_t actual = extfs_write(fd, Mac2HostAddr(ReadMacInt32(pb + ioBuffer)), ReadMacInt32(pb + ioReqCount));
1835	>	ssize_t actual = extfs_write(fd, Mac2HostAddr(ReadMacInt32(pb + ioBuffer)), ReadMacInt32(pb + ioReqCount));
1836		int16 write_err = errno2oserr();
1837		D(bug("  actual %d\n", actual));
1838	<	WriteMacInt32(pb + ioActCount, actual);
1838	>	WriteMacInt32(pb + ioActCount, actual >= 0 ? actual : 0);
1839		uint32 pos = lseek(fd, 0, SEEK_CUR);
1840		WriteMacInt32(fcb + fcbCrPs, pos);
1841		WriteMacInt32(pb + ioPosOffset, pos);
1842	<	if (actual != ReadMacInt32(pb + ioReqCount))
1842	>	if (actual != (ssize_t)ReadMacInt32(pb + ioReqCount))
1843		return write_err;
1844		else
1845		return noErr;
#	Line 1937 | Line 1945 | static int16 fs_rename(uint32 pb, uint32
1945		return errno2oserr();
1946		else {
1947		// The ID of the old file/dir has to stay the same, so we swap the IDs of the FSItems
1948	+	swap_parent_ids(fs_item->id, new_item->id);
1949		uint32 t = fs_item->id;
1950		fs_item->id = new_item->id;
1951		new_item->id = t;
#	Line 1982 | Line 1991 | static int16 fs_cat_move(uint32 pb)
1991		// The ID of the old file/dir has to stay the same, so we swap the IDs of the FSItems
1992		FSItem *new_item = find_fsitem(fs_item->name, new_dir_item);
1993		if (new_item) {
1994	+	swap_parent_ids(fs_item->id, new_item->id);
1995		uint32 t = fs_item->id;
1996		fs_item->id = new_item->id;
1997		new_item->id = t;
#	Line 2001 | Line 2011 | static int16 fs_open_wd(uint32 pb)
2011		r.a[0] = pb;
2012		Execute68k(fs_data + fsAllocateWDCB, &r);
2013		D(bug("  UTAllocateWDCB returned %d, refNum is %d\n", r.d[0], ReadMacInt16(pb + ioVRefNum)));
2014	<	return r.d[0];
2014	>	return (int16)r.d[0];
2015		}
2016
2017		// Close working directory (WDParam)
#	Line 2015 | Line 2025 | static int16 fs_close_wd(uint32 pb)
2025		r.d[0] = ReadMacInt16(pb + ioVRefNum);
2026		Execute68k(fs_data + fsReleaseWDCB, &r);
2027		D(bug("  UTReleaseWDCB returned %d\n", r.d[0]));
2028	<	return r.d[0];
2028	>	return (int16)r.d[0];
2029		}
2030
2031		// Query information about working directory (WDParam)
#	Line 2044 | Line 2054 | static int16 fs_get_wd_info(uint32 pb, u
2054		uint32 wdcb = ReadMacInt32(fs_data + fsReturn);
2055		D(bug("  UTResolveWDCB() returned %d, dirID %d\n", r.d[0], ReadMacInt32(wdcb + wdDirID)));
2056		if (r.d[0] & 0xffff)
2057	<	return r.d[0];
2057	>	return (int16)r.d[0];
2058
2059		// Return information
2060		WriteMacInt32(pb + ioWDProcID, ReadMacInt32(wdcb + wdProcID));

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