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+/*
+These Functions were originally part of More Files version 1.4.8
+
+More Files fixes many of the broken or underfunctional
+parts of the file system.
+
+More Files
+
+A collection of File Manager and related routines
+
+by Jim Luther (Apple Macintosh Developer Technical Support Emeritus)
+with significant code contributions by Nitin Ganatra
+(Apple Macintosh Developer Technical Support Emeritus)
+Copyright 1992-1998 Apple Computer, Inc.
+Portions copyright 1995 Jim Luther
+All rights reserved.
+
+The Package "More Files" is distributed under the following
+license terms:
+
+ "You may incorporate this sample code into your
+ applications without restriction, though the
+ sample code has been provided "AS IS" and the
+ responsibility for its operation is 100% yours.
+ However, what you are not permitted to do is to
+ redistribute the source as "DSC Sample Code" after
+ having made changes. If you're going to
+ redistribute the source, we require that you make
+ it clear in the source that the code was descended
+ from Apple Sample Code, but that you've made
+ changes."
+
+
+The following changes are made by Info-ZIP:
+
+- The only changes are made by pasting the functions
+ (mostly found in MoreFilesExtras.c / MoreFiles.c)
+ directly into macstuff.c / macstuff.h and slightly
+ reformatting the text (replacement of TABs by spaces,
+ removal/replacement of non-ASCII characters).
+ The code itself is NOT changed.
+
+This file has been modified by Info-ZIP for use in MacZip.
+This file is NOT part of the original package More Files.
+
+More Files can be found on the MetroWerks CD and Developer CD from
+Apple. You can also download the latest version from:
+
+ http://members.aol.com/JumpLong/#MoreFiles
+
+Jim Luther's Home-page:
+ http://members.aol.com/JumpLong/
+
+
+*/
+
+#include <string.h>
+
+
+#include "macstuff.h"
+
+
+
+extern int errno;
+
+static OSErr GetCommentFromDesktopFile(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ Str255 comment);
+
+static OSErr GetCommentID(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ short *commentID);
+
+static OSErr GetDesktopFileName(short vRefNum,
+ Str255 desktopName);
+
+
+enum
+{
+ kBNDLResType = 'BNDL',
+ kFREFResType = 'FREF',
+ kIconFamResType = 'ICN#',
+ kFCMTResType = 'FCMT',
+ kAPPLResType = 'APPL'
+};
+
+
+/*****************************************************************************/
+
+/*
+** File Manager FSp calls
+*/
+
+/*****************************************************************************/
+
+pascal OSErr FSMakeFSSpecCompat(short vRefNum,
+ long dirID,
+ ConstStr255Param fileName,
+ FSSpec *spec)
+{
+ OSErr result;
+
+#if !__MACOSSEVENORLATER
+ if ( !FSHasFSSpecCalls() && !QTHasFSSpecCalls() )
+ {
+ Boolean isDirectory;
+
+ result = GetObjectLocation(vRefNum, dirID, fileName,
+ &(spec->vRefNum), &(spec->parID), spec->name,
+ &isDirectory);
+ }
+ else
+#endif /* !__MACOSSEVENORLATER */
+ {
+ /* Let the file system create the FSSpec if it can since it does the job */
+ /* much more efficiently than I can. */
+ result = FSMakeFSSpec(vRefNum, dirID, fileName, spec);
+
+ /* Fix a bug in Macintosh PC Exchange's MakeFSSpec code where 0 is */
+ /* returned in the parID field when making an FSSpec to the volume's */
+ /* root directory by passing a full pathname in MakeFSSpec's */
+ /* fileName parameter. Fixed in Mac OS 8.1 */
+ if ( (result == noErr) && (spec->parID == 0) )
+ spec->parID = fsRtParID;
+ }
+ return ( result );
+}
+
+
+/*****************************************************************************/
+/* FSHasFSSpecCalls returns true if the file system provides FSSpec calls. */
+
+#if !__MACOSSEVENORLATER
+static Boolean FSHasFSSpecCalls(void)
+{
+ long response;
+#if !GENERATENODATA
+ static Boolean tested = false;
+ static Boolean result = false;
+#else
+ Boolean result = false;
+#endif
+
+#if !GENERATENODATA
+ if ( !tested )
+ {
+ tested = true;
+#endif
+ if ( Gestalt(gestaltFSAttr, &response) == noErr )
+ {
+ result = ((response & (1L << gestaltHasFSSpecCalls)) != 0);
+ }
+#if !GENERATENODATA
+ }
+#endif
+ return ( result );
+}
+#endif /* !__MACOSSEVENORLATER */
+
+
+
+/*****************************************************************************/
+/* QTHasFSSpecCalls returns true if QuickTime provides FSSpec calls */
+/* except for FSpExchangeFiles. */
+
+#if !__MACOSSEVENORLATER
+static Boolean QTHasFSSpecCalls(void)
+{
+ long response;
+#if !GENERATENODATA
+ static Boolean tested = false;
+ static Boolean result = false;
+#else
+ Boolean result = false;
+#endif
+
+#if !GENERATENODATA
+ if ( !tested )
+ {
+ tested = true;
+#endif
+ result = (Gestalt(gestaltQuickTimeVersion, &response) == noErr);
+#if !GENERATENODATA
+ }
+#endif
+ return ( result );
+}
+#endif /* !__MACOSSEVENORLATER */
+
+
+
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * FSpGetDefaultDir --
+ *
+ * This function gets the current default directory.
+ *
+ * Results:
+ * The provided FSSpec is changed to point to the "default"
+ * directory. The function returns what ever errors
+ * FSMakeFSSpecCompat may encounter.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int FSpGetDefaultDir(FSSpecPtr dirSpec) /* On return the default directory. */
+{
+ OSErr err;
+ short vRefNum = 0;
+ long int dirID = 0;
+
+ err = HGetVol(NULL, &vRefNum, &dirID);
+
+ if (err == noErr) {
+ err = FSMakeFSSpecCompat(vRefNum, dirID, (ConstStr255Param) NULL,
+ dirSpec);
+ }
+
+ return err;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * FSpSetDefaultDir --
+ *
+ * This function sets the default directory to the directory
+ * pointed to by the provided FSSpec.
+ *
+ * Results:
+ * The function returns what ever errors HSetVol may encounter.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int FSpSetDefaultDir(FSSpecPtr dirSpec) /* The new default directory. */
+{
+ OSErr err;
+
+ /*
+ * The following special case is needed to work around a bug
+ * in the Macintosh OS. (Acutally PC Exchange.)
+ */
+
+ if (dirSpec->parID == fsRtParID) {
+ err = HSetVol(NULL, dirSpec->vRefNum, fsRtDirID);
+ } else {
+ err = HSetVol(dirSpec->name, dirSpec->vRefNum, dirSpec->parID);
+ }
+
+ return err;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * FSpFindFolder --
+ *
+ * This function is a version of the FindFolder function that
+ * returns the result as a FSSpec rather than a vRefNum and dirID.
+ *
+ * Results:
+ * Results will be simaler to that of the FindFolder function.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+OSErr
+FSpFindFolder(
+ short vRefNum, /* Volume reference number. */
+ OSType folderType, /* Folder type taken by FindFolder. */
+ Boolean createFolder, /* Should we create it if non-existant. */
+ FSSpec *spec) /* Pointer to resulting directory. */
+{
+ short foundVRefNum;
+ long foundDirID;
+ OSErr err;
+
+ err = FindFolder(vRefNum, folderType, createFolder,
+ &foundVRefNum, &foundDirID);
+ if (err != noErr) {
+ return err;
+ }
+
+ err = FSMakeFSSpecCompat(foundVRefNum, foundDirID, "\p", spec);
+ return err;
+}
+
+
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * FSpPathFromLocation --
+ *
+ * This function obtains a full path name for a given macintosh
+ * FSSpec. Unlike the More Files function FSpGetFullPath, this
+ * function will return a C string in the Handle. It also will
+ * create paths for FSSpec that do not yet exist.
+ *
+ * Results:
+ * OSErr code.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+OSErr
+FSpPathFromLocation(
+ FSSpec *spec, /* The location we want a path for. */
+ int *length, /* Length of the resulting path. */
+ Handle *fullPath) /* Handle to path. */
+{
+ OSErr err;
+ FSSpec tempSpec;
+ CInfoPBRec pb;
+
+ *fullPath = NULL;
+
+ /*
+ * Make a copy of the input FSSpec that can be modified.
+ */
+ BlockMoveData(spec, &tempSpec, sizeof(FSSpec));
+
+ if (tempSpec.parID == fsRtParID) {
+ /*
+ * The object is a volume. Add a colon to make it a full
+ * pathname. Allocate a handle for it and we are done.
+ */
+ tempSpec.name[0] += 2;
+ tempSpec.name[tempSpec.name[0] - 1] = ':';
+ tempSpec.name[tempSpec.name[0]] = '\0';
+
+ err = PtrToHand(&tempSpec.name[1], fullPath, tempSpec.name[0]);
+ } else {
+ /*
+ * The object isn't a volume. Is the object a file or a directory?
+ */
+ pb.dirInfo.ioNamePtr = tempSpec.name;
+ pb.dirInfo.ioVRefNum = tempSpec.vRefNum;
+ pb.dirInfo.ioDrDirID = tempSpec.parID;
+ pb.dirInfo.ioFDirIndex = 0;
+ err = PBGetCatInfoSync(&pb);
+
+ if ((err == noErr) || (err == fnfErr)) {
+ /*
+ * If the file doesn't currently exist we start over. If the
+ * directory exists everything will work just fine. Otherwise we
+ * will just fail later. If the object is a directory, append a
+ * colon so full pathname ends with colon.
+ */
+ if (err == fnfErr) {
+ BlockMoveData(spec, &tempSpec, sizeof(FSSpec));
+ } else if ( (pb.hFileInfo.ioFlAttrib & ioDirMask) != 0 ) {
+ tempSpec.name[0] += 1;
+ tempSpec.name[tempSpec.name[0]] = ':';
+ }
+
+ /*
+ * Create a new Handle for the object - make it a C string.
+ */
+ tempSpec.name[0] += 1;
+ tempSpec.name[tempSpec.name[0]] = '\0';
+ err = PtrToHand(&tempSpec.name[1], fullPath, tempSpec.name[0]);
+ if (err == noErr) {
+ /*
+ * Get the ancestor directory names - loop until we have an
+ * error or find the root directory.
+ */
+ pb.dirInfo.ioNamePtr = tempSpec.name;
+ pb.dirInfo.ioVRefNum = tempSpec.vRefNum;
+ pb.dirInfo.ioDrParID = tempSpec.parID;
+ do {
+ pb.dirInfo.ioFDirIndex = -1;
+ pb.dirInfo.ioDrDirID = pb.dirInfo.ioDrParID;
+ err = PBGetCatInfoSync(&pb);
+ if (err == noErr) {
+ /*
+ * Append colon to directory name and add
+ * directory name to beginning of fullPath.
+ */
+ ++tempSpec.name[0];
+ tempSpec.name[tempSpec.name[0]] = ':';
+
+ (void) Munger(*fullPath, 0, NULL, 0, &tempSpec.name[1],
+ tempSpec.name[0]);
+ err = MemError();
+ }
+ } while ( (err == noErr) &&
+ (pb.dirInfo.ioDrDirID != fsRtDirID) );
+ }
+ }
+ }
+
+ /*
+ * On error Dispose the handle, set it to NULL & return the err.
+ * Otherwise, set the length & return.
+ */
+ if (err == noErr) {
+ *length = GetHandleSize(*fullPath) - 1;
+ } else {
+ if ( *fullPath != NULL ) {
+ DisposeHandle(*fullPath);
+ }
+ *fullPath = NULL;
+ *length = 0;
+ }
+
+ return err;
+}
+
+
+
+/*****************************************************************************/
+
+pascal OSErr FSpGetDirectoryID(const FSSpec *spec,
+ long *theDirID,
+ Boolean *isDirectory)
+{
+ return ( GetDirectoryID(spec->vRefNum, spec->parID, spec->name,
+ theDirID, isDirectory) );
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr GetDirectoryID(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ long *theDirID,
+ Boolean *isDirectory)
+{
+ CInfoPBRec pb;
+ OSErr error;
+
+ error = GetCatInfoNoName(vRefNum, dirID, name, &pb);
+ if ( error == noErr )
+ {
+ *isDirectory = (pb.hFileInfo.ioFlAttrib & ioDirMask) != 0;
+ if ( *isDirectory )
+ {
+ *theDirID = pb.dirInfo.ioDrDirID;
+ }
+ else
+ {
+ *theDirID = pb.hFileInfo.ioFlParID;
+ }
+ }
+
+ return ( error );
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr GetCatInfoNoName(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ CInfoPBPtr pb)
+{
+ Str31 tempName;
+ OSErr error;
+
+ /* Protection against File Sharing problem */
+ if ( (name == NULL) || (name[0] == 0) )
+ {
+ tempName[0] = 0;
+ pb->dirInfo.ioNamePtr = tempName;
+ pb->dirInfo.ioFDirIndex = -1; /* use ioDirID */
+ }
+ else
+ {
+ pb->dirInfo.ioNamePtr = (StringPtr)name;
+ pb->dirInfo.ioFDirIndex = 0; /* use ioNamePtr and ioDirID */
+ }
+ pb->dirInfo.ioVRefNum = vRefNum;
+ pb->dirInfo.ioDrDirID = dirID;
+ error = PBGetCatInfoSync(pb);
+ pb->dirInfo.ioNamePtr = NULL;
+ return ( error );
+}
+
+
+
+/*****************************************************************************/
+
+pascal OSErr GetObjectLocation(short vRefNum,
+ long dirID,
+ ConstStr255Param pathname,
+ short *realVRefNum,
+ long *realParID,
+ Str255 realName,
+ Boolean *isDirectory)
+{
+ OSErr error;
+ CInfoPBRec pb;
+ Str255 tempPathname;
+
+ /* clear results */
+ *realVRefNum = 0;
+ *realParID = 0;
+ realName[0] = 0;
+
+ /*
+ ** Get the real vRefNum
+ */
+ error = DetermineVRefNum(pathname, vRefNum, realVRefNum);
+ if ( error == noErr )
+ {
+ /*
+ ** Determine if the object already exists and if so,
+ ** get the real parent directory ID if it's a file
+ */
+
+ /* Protection against File Sharing problem */
+ if ( (pathname == NULL) || (pathname[0] == 0) )
+ {
+ tempPathname[0] = 0;
+ pb.hFileInfo.ioNamePtr = tempPathname;
+ pb.hFileInfo.ioFDirIndex = -1; /* use ioDirID */
+ }
+ else
+ {
+ pb.hFileInfo.ioNamePtr = (StringPtr)pathname;
+ pb.hFileInfo.ioFDirIndex = 0; /* use ioNamePtr and ioDirID */
+ }
+ pb.hFileInfo.ioVRefNum = vRefNum;
+ pb.hFileInfo.ioDirID = dirID;
+ error = PBGetCatInfoSync(&pb);
+ if ( error == noErr )
+ {
+ /*
+ ** The file system object is present and we have the file's
+ ** real parID
+ */
+
+ /* Is it a directory or a file? */
+ *isDirectory = (pb.hFileInfo.ioFlAttrib & ioDirMask) != 0;
+ if ( *isDirectory )
+ {
+ /*
+ ** It's a directory, get its name and parent dirID, and then
+ ** we're done
+ */
+
+ pb.dirInfo.ioNamePtr = realName;
+ pb.dirInfo.ioVRefNum = *realVRefNum;
+ /* pb.dirInfo.ioDrDirID already contains the dirID of the
+ directory object */
+ pb.dirInfo.ioFDirIndex = -1; /* get information about ioDirID */
+ error = PBGetCatInfoSync(&pb);
+
+ /* get the parent ID here, because the file system can return the */
+ /* wrong parent ID from the last call. */
+ *realParID = pb.dirInfo.ioDrParID;
+ }
+ else
+ {
+ /*
+ ** It's a file - use the parent directory ID from the last call
+ ** to GetCatInfoparse, get the file name, and then we're done
+ */
+ *realParID = pb.hFileInfo.ioFlParID;
+ error = GetFilenameFromPathname(pathname, realName);
+ }
+ }
+ else if ( error == fnfErr )
+ {
+ /*
+ ** The file system object is not present - see if its parent is present
+ */
+
+ /*
+ ** Parse to get the object name from end of pathname
+ */
+ error = GetFilenameFromPathname(pathname, realName);
+
+ /* if we can't get the object name from the end, we can't continue */
+ if ( error == noErr )
+ {
+ /*
+ ** What we want now is the pathname minus the object name
+ ** for example:
+ ** if pathname is 'vol:dir:file' tempPathname becomes 'vol:dir:'
+ ** if pathname is 'vol:dir:file:' tempPathname becomes 'vol:dir:'
+ ** if pathname is ':dir:file' tempPathname becomes ':dir:'
+ ** if pathname is ':dir:file:' tempPathname becomes ':dir:'
+ ** if pathname is ':file' tempPathname becomes ':'
+ ** if pathname is 'file or file:' tempPathname becomes ''
+ */
+
+ /* get a copy of the pathname */
+ BlockMoveData(pathname, tempPathname, pathname[0] + 1);
+
+ /* remove the object name */
+ tempPathname[0] -= realName[0];
+ /* and the trailing colon (if any) */
+ if ( pathname[pathname[0]] == ':' )
+ {
+ --tempPathname[0];
+ }
+
+ /* OK, now get the parent's directory ID */
+
+ /* Protection against File Sharing problem */
+ pb.hFileInfo.ioNamePtr = (StringPtr)tempPathname;
+ if ( tempPathname[0] != 0 )
+ {
+ pb.hFileInfo.ioFDirIndex = 0; /* use ioNamePtr and ioDirID */
+ }
+ else
+ {
+ pb.hFileInfo.ioFDirIndex = -1; /* use ioDirID */
+ }
+ pb.hFileInfo.ioVRefNum = vRefNum;
+ pb.hFileInfo.ioDirID = dirID;
+ error = PBGetCatInfoSync(&pb);
+ *realParID = pb.dirInfo.ioDrDirID;
+
+ *isDirectory = false; /* we don't know what the object is
+ really going to be */
+ }
+
+ if ( error != noErr )
+ {
+ error = dirNFErr; /* couldn't find parent directory */
+ }
+ else
+ {
+ error = fnfErr; /* we found the parent, but not the file */
+ }
+ }
+ }
+
+ return ( error );
+}
+
+
+
+/*****************************************************************************/
+
+pascal OSErr DetermineVRefNum(ConstStr255Param pathname,
+ short vRefNum,
+ short *realVRefNum)
+{
+ HParamBlockRec pb;
+ OSErr error;
+
+ error = GetVolumeInfoNoName(pathname,vRefNum, &pb);
+ if ( error == noErr )
+ {
+ *realVRefNum = pb.volumeParam.ioVRefNum;
+ }
+ return ( error );
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr GetFilenameFromPathname(ConstStr255Param pathname,
+ Str255 filename)
+{
+ short index;
+ short nameEnd;
+ OSErr error;
+
+ /* default to no filename */
+ filename[0] = 0;
+
+ /* check for no pathname */
+ if ( pathname != NULL )
+ {
+ /* get string length */
+ index = pathname[0];
+
+ /* check for empty string */
+ if ( index != 0 )
+ {
+ /* skip over last trailing colon (if any) */
+ if ( pathname[index] == ':' )
+ {
+ --index;
+ }
+
+ /* save the end of the string */
+ nameEnd = index;
+
+ /* if pathname ends with multiple colons, then this pathname refers */
+ /* to a directory, not a file */
+ if ( pathname[index] != ':' )
+ {
+ /* parse backwards until we find a colon or hit the beginning
+ of the pathname */
+ while ( (index != 0) && (pathname[index] != ':') )
+ {
+ --index;
+ }
+
+ /* if we parsed to the beginning of the pathname and the
+ pathname ended */
+ /* with a colon, then pathname is a full pathname to a volume,
+ not a file */
+ if ( (index != 0) || (pathname[pathname[0]] != ':') )
+ {
+ /* get the filename and return noErr */
+ filename[0] = (char)(nameEnd - index);
+ BlockMoveData(&pathname[index+1], &filename[1], nameEnd - index);
+ error = noErr;
+ }
+ else
+ {
+ /* pathname to a volume, not a file */
+ error = notAFileErr;
+ }
+ }
+ else
+ {
+ /* directory, not a file */
+ error = notAFileErr;
+ }
+ }
+ else
+ {
+ /* empty string isn't a file */
+ error = notAFileErr;
+ }
+ }
+ else
+ {
+ /* NULL pathname isn't a file */
+ error = notAFileErr;
+ }
+
+ return ( error );
+}
+
+
+
+/*****************************************************************************/
+
+/*
+** GetVolumeInfoNoName uses pathname and vRefNum to call PBHGetVInfoSync
+** in cases where the returned volume name is not needed by the caller.
+** The pathname and vRefNum parameters are not touched, and the pb
+** parameter is initialized by PBHGetVInfoSync except that ioNamePtr in
+** the parameter block is always returned as NULL (since it might point
+** to the local tempPathname).
+**
+** I noticed using this code in several places, so here it is once.
+** This reduces the code size of MoreFiles.
+*/
+pascal OSErr GetVolumeInfoNoName(ConstStr255Param pathname,
+ short vRefNum,
+ HParmBlkPtr pb)
+{
+ Str255 tempPathname;
+ OSErr error;
+
+ /* Make sure pb parameter is not NULL */
+ if ( pb != NULL )
+ {
+ pb->volumeParam.ioVRefNum = vRefNum;
+ if ( pathname == NULL )
+ {
+ pb->volumeParam.ioNamePtr = NULL;
+ pb->volumeParam.ioVolIndex = 0; /* use ioVRefNum only */
+ }
+ else
+ { /* make a copy of the string and */
+ BlockMoveData(pathname, tempPathname, pathname[0] + 1);
+ /* use the copy so original isn't trashed */
+ pb->volumeParam.ioNamePtr = (StringPtr)tempPathname;
+ /* use ioNamePtr/ioVRefNum combination */
+ pb->volumeParam.ioVolIndex = -1;
+ }
+ error = PBHGetVInfoSync(pb);
+ pb->volumeParam.ioNamePtr = NULL; /* ioNamePtr may point to local
+ tempPathname, so don't return it */
+ }
+ else
+ {
+ error = paramErr;
+ }
+ return ( error );
+}
+
+
+
+
+/*****************************************************************************/
+
+pascal OSErr FSpGetFullPath(const FSSpec *spec,
+ short *fullPathLength,
+ Handle *fullPath)
+{
+ OSErr result;
+ OSErr realResult;
+ FSSpec tempSpec;
+ CInfoPBRec pb;
+
+ *fullPathLength = 0;
+ *fullPath = NULL;
+
+ /* Default to noErr */
+ realResult = noErr;
+
+ /* Make a copy of the input FSSpec that can be modified */
+ BlockMoveData(spec, &tempSpec, sizeof(FSSpec));
+
+ if ( tempSpec.parID == fsRtParID )
+ {
+ /* The object is a volume */
+
+ /* Add a colon to make it a full pathname */
+ ++tempSpec.name[0];
+ tempSpec.name[tempSpec.name[0]] = ':';
+
+ /* We're done */
+ result = PtrToHand(&tempSpec.name[1], fullPath, tempSpec.name[0]);
+ }
+ else
+ {
+ /* The object isn't a volume */
+
+ /* Is the object a file or a directory? */
+ pb.dirInfo.ioNamePtr = tempSpec.name;
+ pb.dirInfo.ioVRefNum = tempSpec.vRefNum;
+ pb.dirInfo.ioDrDirID = tempSpec.parID;
+ pb.dirInfo.ioFDirIndex = 0;
+ result = PBGetCatInfoSync(&pb);
+ /* Allow file/directory name at end of path to not exist. */
+ realResult = result;
+ if ( (result == noErr) || (result == fnfErr) )
+ {
+ /* if the object is a directory, append a colon so full pathname
+ ends with colon */
+ if ( (result == noErr) && (pb.hFileInfo.ioFlAttrib & ioDirMask) != 0 )
+ {
+ ++tempSpec.name[0];
+ tempSpec.name[tempSpec.name[0]] = ':';
+ }
+
+ /* Put the object name in first */
+ result = PtrToHand(&tempSpec.name[1], fullPath, tempSpec.name[0]);
+ if ( result == noErr )
+ {
+ /* Get the ancestor directory names */
+ pb.dirInfo.ioNamePtr = tempSpec.name;
+ pb.dirInfo.ioVRefNum = tempSpec.vRefNum;
+ pb.dirInfo.ioDrParID = tempSpec.parID;
+ do /* loop until we have an error or find the root directory */
+ {
+ pb.dirInfo.ioFDirIndex = -1;
+ pb.dirInfo.ioDrDirID = pb.dirInfo.ioDrParID;
+ result = PBGetCatInfoSync(&pb);
+ if ( result == noErr )
+ {
+ /* Append colon to directory name */
+ ++tempSpec.name[0];
+ tempSpec.name[tempSpec.name[0]] = ':';
+
+ /* Add directory name to beginning of fullPath */
+ (void) Munger(*fullPath, 0, NULL, 0, &tempSpec.name[1],
+ tempSpec.name[0]);
+ result = MemError();
+ }
+ } while ( (result == noErr) && (pb.dirInfo.ioDrDirID != fsRtDirID) );
+ }
+ }
+ }
+ if ( result == noErr )
+ {
+ /* Return the length */
+ *fullPathLength = InlineGetHandleSize(*fullPath);
+ result = realResult; /* return realResult in case it was fnfErr */
+ }
+ else
+ {
+ /* Dispose of the handle and return NULL and zero length */
+ if ( *fullPath != NULL )
+ {
+ DisposeHandle(*fullPath);
+ }
+ *fullPath = NULL;
+ *fullPathLength = 0;
+ }
+
+ return ( result );
+}
+
+
+
+/*****************************************************************************/
+
+pascal OSErr FSpLocationFromFullPath(short fullPathLength,
+ const void *fullPath,
+ FSSpec *spec)
+{
+ AliasHandle alias;
+ OSErr result;
+ Boolean wasChanged;
+ Str32 nullString;
+
+ /* Create a minimal alias from the full pathname */
+ nullString[0] = 0; /* null string to indicate no zone or server name */
+ result = NewAliasMinimalFromFullPath(fullPathLength, fullPath, nullString,
+ nullString, &alias);
+
+ if ( result == noErr )
+ {
+ /* Let the Alias Manager resolve the alias. */
+ result = ResolveAlias(NULL, alias, spec, &wasChanged);
+
+ DisposeHandle((Handle)alias); /* Free up memory used */
+ }
+
+ return ( result );
+}
+
+
+
+/*****************************************************************************/
+
+pascal OSErr GetFullPath(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ short *fullPathLength,
+ Handle *fullPath)
+{
+ OSErr result;
+ FSSpec spec;
+
+ *fullPathLength = 0;
+ *fullPath = NULL;
+
+ result = FSMakeFSSpecCompat(vRefNum, dirID, name, &spec);
+ if ( (result == noErr) || (result == fnfErr) )
+ {
+ result = FSpGetFullPath(&spec, fullPathLength, fullPath);
+ }
+
+ return ( result );
+}
+
+
+
+/*****************************************************************************/
+
+pascal OSErr ChangeCreatorType(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ OSType creator,
+ OSType fileType)
+{
+ CInfoPBRec pb;
+ OSErr error;
+ short realVRefNum;
+ long parID;
+
+ pb.hFileInfo.ioNamePtr = (StringPtr)name;
+ pb.hFileInfo.ioVRefNum = vRefNum;
+ pb.hFileInfo.ioDirID = dirID;
+ pb.hFileInfo.ioFDirIndex = 0; /* use ioNamePtr and ioDirID */
+ error = PBGetCatInfoSync(&pb);
+ if ( error == noErr )
+ {
+ if ( (pb.hFileInfo.ioFlAttrib & ioDirMask) == 0 ) /* if file */
+ { /* save parent dirID for BumpDate call */
+ parID = pb.hFileInfo.ioFlParID;
+
+ /* If creator not 0x00000000, change creator */
+ if ( creator != (OSType)0x00000000 )
+ {
+ pb.hFileInfo.ioFlFndrInfo.fdCreator = creator;
+ }
+
+ /* If fileType not 0x00000000, change fileType */
+ if ( fileType != (OSType)0x00000000 )
+ {
+ pb.hFileInfo.ioFlFndrInfo.fdType = fileType;
+ }
+
+ pb.hFileInfo.ioDirID = dirID;
+ error = PBSetCatInfoSync(&pb); /* now, save the new information
+ back to disk */
+
+ if ( (error == noErr) && (parID != fsRtParID) ) /* can't
+ bump fsRtParID */
+ {
+ /* get the real vRefNum in case a full pathname was passed */
+ error = DetermineVRefNum(name, vRefNum, &realVRefNum);
+ if ( error == noErr )
+ {
+ error = BumpDate(realVRefNum, parID, NULL);
+ /* and bump the parent directory's mod date to wake
+ up the Finder */
+ /* to the change we just made */
+ }
+ }
+ }
+ else
+ {
+ /* it was a directory, not a file */
+ error = notAFileErr;
+ }
+ }
+
+ return ( error );
+}
+
+/*****************************************************************************/
+
+pascal OSErr FSpChangeCreatorType(const FSSpec *spec,
+ OSType creator,
+ OSType fileType)
+{
+ return ( ChangeCreatorType(spec->vRefNum, spec->parID, spec->name,
+ creator, fileType) );
+}
+
+/*****************************************************************************/
+
+pascal OSErr BumpDate(short vRefNum,
+ long dirID,
+ ConstStr255Param name)
+/* Given a file or directory, change its modification date to the
+ current date/time. */
+{
+ CInfoPBRec pb;
+ Str31 tempName;
+ OSErr error;
+ unsigned long secs;
+
+ /* Protection against File Sharing problem */
+ if ( (name == NULL) || (name[0] == 0) )
+ {
+ tempName[0] = 0;
+ pb.hFileInfo.ioNamePtr = tempName;
+ pb.hFileInfo.ioFDirIndex = -1; /* use ioDirID */
+ }
+ else
+ {
+ pb.hFileInfo.ioNamePtr = (StringPtr)name;
+ pb.hFileInfo.ioFDirIndex = 0; /* use ioNamePtr and ioDirID */
+ }
+ pb.hFileInfo.ioVRefNum = vRefNum;
+ pb.hFileInfo.ioDirID = dirID;
+ error = PBGetCatInfoSync(&pb);
+ if ( error == noErr )
+ {
+ GetDateTime(&secs);
+ /* set mod date to current date, or one second into the future
+ if mod date = current date */
+ pb.hFileInfo.ioFlMdDat =
+ (secs == pb.hFileInfo.ioFlMdDat) ? (++secs) : (secs);
+ if ( pb.dirInfo.ioNamePtr == tempName )
+ {
+ pb.hFileInfo.ioDirID = pb.hFileInfo.ioFlParID;
+ }
+ else
+ {
+ pb.hFileInfo.ioDirID = dirID;
+ }
+ error = PBSetCatInfoSync(&pb);
+ }
+
+ return ( error );
+}
+
+/*****************************************************************************/
+
+pascal OSErr FSpBumpDate(const FSSpec *spec)
+{
+ return ( BumpDate(spec->vRefNum, spec->parID, spec->name) );
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr OnLine(FSSpecPtr volumes,
+ short reqVolCount,
+ short *actVolCount,
+ short *volIndex)
+{
+ HParamBlockRec pb;
+ OSErr error = noErr;
+ FSSpec *endVolArray;
+
+ if ( *volIndex > 0 )
+ {
+ *actVolCount = 0;
+ for ( endVolArray = volumes + reqVolCount;
+ (volumes < endVolArray) && (error == noErr); ++volumes )
+ {
+ pb.volumeParam.ioNamePtr = (StringPtr) & volumes->name;
+ pb.volumeParam.ioVolIndex = *volIndex;
+ error = PBHGetVInfoSync(&pb);
+ if ( error == noErr )
+ {
+ volumes->parID = fsRtParID; /* the root directory's
+ parent is 1 */
+ volumes->vRefNum = pb.volumeParam.ioVRefNum;
+ ++*volIndex;
+ ++*actVolCount;
+ }
+ }
+ }
+ else
+ {
+ error = paramErr;
+ }
+
+ return ( error );
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr DTGetComment(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ Str255 comment)
+{
+ DTPBRec pb;
+ OSErr error;
+ short dtRefNum;
+ Boolean newDTDatabase;
+
+ if (comment != NULL)
+ {
+ comment[0] = 0; /* return nothing by default */
+
+ /* attempt to open the desktop database */
+ error = DTOpen(name, vRefNum, &dtRefNum, &newDTDatabase);
+ if ( error == noErr )
+ {
+ /* There was a desktop database and it's now open */
+
+ if ( !newDTDatabase )
+ {
+ pb.ioDTRefNum = dtRefNum;
+ pb.ioNamePtr = (StringPtr)name;
+ pb.ioDirID = dirID;
+ pb.ioDTBuffer = (Ptr)&comment[1];
+ /*
+ ** IMPORTANT NOTE #1: Inside Macintosh says that comments
+ ** are up to 200 characters. While that may be correct for
+ ** the HFS file system's Desktop Manager, other file
+ ** systems (such as Apple Photo Access) return up to
+ ** 255 characters. Make sure the comment buffer is a Str255
+ ** or you'll regret it.
+ **
+ ** IMPORTANT NOTE #2: Although Inside Macintosh doesn't
+ ** mention it, ioDTReqCount is a input field to
+ ** PBDTGetCommentSync. Some file systems (like HFS) ignore
+ ** ioDTReqCount and always return the full comment --
+ ** others (like AppleShare) respect ioDTReqCount and only
+ ** return up to ioDTReqCount characters of the comment.
+ */
+ pb.ioDTReqCount = sizeof(Str255) - 1;
+ error = PBDTGetCommentSync(&pb);
+ if (error == noErr)
+ {
+ comment[0] = (unsigned char)pb.ioDTActCount;
+ }
+ }
+ }
+ else
+ {
+ /* There is no desktop database - try the Desktop file */
+ error = GetCommentFromDesktopFile(vRefNum, dirID, name, comment);
+ if ( error != noErr )
+ {
+ error = afpItemNotFound; /* return an expected error */
+ }
+ }
+ }
+ else
+ {
+ error = paramErr;
+ }
+
+ return (error);
+}
+
+/*****************************************************************************/
+
+pascal OSErr FSpDTGetComment(const FSSpec *spec,
+ Str255 comment)
+{
+ return (DTGetComment(spec->vRefNum, spec->parID, spec->name, comment));
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr DTSetComment(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ ConstStr255Param comment)
+{
+ DTPBRec pb;
+ OSErr error;
+ short dtRefNum;
+ Boolean newDTDatabase;
+
+ error = DTOpen(name, vRefNum, &dtRefNum, &newDTDatabase);
+ if ( error == noErr )
+ {
+ pb.ioDTRefNum = dtRefNum;
+ pb.ioNamePtr = (StringPtr)name;
+ pb.ioDirID = dirID;
+ pb.ioDTBuffer = (Ptr)&comment[1];
+ /* Truncate the comment to 200 characters just in case */
+ /* some file system doesn't range check */
+ if ( comment[0] <= 200 )
+ {
+ pb.ioDTReqCount = comment[0];
+ }
+ else
+ {
+ pb.ioDTReqCount = 200;
+ }
+ error = PBDTSetCommentSync(&pb);
+ }
+ return (error);
+}
+
+/*****************************************************************************/
+
+pascal OSErr FSpDTSetComment(const FSSpec *spec,
+ ConstStr255Param comment)
+{
+ return (DTSetComment(spec->vRefNum, spec->parID, spec->name, comment));
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr DTOpen(ConstStr255Param volName,
+ short vRefNum,
+ short *dtRefNum,
+ Boolean *newDTDatabase)
+{
+ OSErr error;
+ GetVolParmsInfoBuffer volParmsInfo;
+ long infoSize;
+ DTPBRec pb;
+
+ /* Check for volume Desktop Manager support before calling */
+ infoSize = sizeof(GetVolParmsInfoBuffer);
+ error = HGetVolParms(volName, vRefNum, &volParmsInfo, &infoSize);
+ if ( error == noErr )
+ {
+ if ( hasDesktopMgr(volParmsInfo) )
+ {
+ pb.ioNamePtr = (StringPtr)volName;
+ pb.ioVRefNum = vRefNum;
+ error = PBDTOpenInform(&pb);
+ /* PBDTOpenInform informs us if the desktop was just created */
+ /* by leaving the low bit of ioTagInfo clear (0) */
+ *newDTDatabase = ((pb.ioTagInfo & 1L) == 0);
+ if ( error == paramErr )
+ {
+ error = PBDTGetPath(&pb);
+ /* PBDTGetPath doesn't tell us if the database is new */
+ /* so assume it is not new */
+ *newDTDatabase = false;
+ }
+ *dtRefNum = pb.ioDTRefNum;
+ }
+ else
+ {
+ error = paramErr;
+ }
+ }
+ return ( error );
+}
+
+/*****************************************************************************/
+
+/*
+** GetCommentFromDesktopFile
+**
+** Get a file or directory's Finder comment field (if any) from the
+** Desktop file's 'FCMT' resources.
+*/
+static OSErr GetCommentFromDesktopFile(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ Str255 comment)
+{
+ OSErr error;
+ short commentID;
+ short realVRefNum;
+ Str255 desktopName;
+ short savedResFile;
+ short dfRefNum;
+ StringHandle commentHandle;
+
+ /* Get the comment ID number */
+ error = GetCommentID(vRefNum, dirID, name, &commentID);
+ if ( error == noErr )
+ {
+ if ( commentID != 0 ) /* commentID == 0 means there's no comment */
+ {
+ error = DetermineVRefNum(name, vRefNum, &realVRefNum);
+ if ( error == noErr )
+ {
+ error = GetDesktopFileName(realVRefNum, desktopName);
+ if ( error == noErr )
+ {
+ savedResFile = CurResFile();
+ /*
+ ** Open the 'Desktop' file in the root directory. (because
+ ** opening the resource file could preload unwanted resources,
+ ** bracket the call with SetResLoad(s))
+ */
+ SetResLoad(false);
+ dfRefNum = HOpenResFile(realVRefNum, fsRtDirID, desktopName,
+ fsRdPerm);
+ SetResLoad(true);
+
+ if ( dfRefNum != -1)
+ {
+ /* Get the comment resource */
+ commentHandle = (StringHandle)Get1Resource(kFCMTResType,
+ commentID);
+ if ( commentHandle != NULL )
+ {
+ if ( InlineGetHandleSize((Handle)commentHandle) > 0 )
+ {
+ BlockMoveData(*commentHandle, comment,
+ *commentHandle[0] + 1);
+ }
+ else
+ { /* no comment available */
+ error = afpItemNotFound;
+ }
+ }
+ else
+ { /* no comment available */
+ error = afpItemNotFound;
+ }
+
+ /* restore the resource chain and close
+ the Desktop file */
+ UseResFile(savedResFile);
+ CloseResFile(dfRefNum);
+ }
+ else
+ {
+ error = afpItemNotFound;
+ }
+ }
+ else
+ {
+ error = afpItemNotFound;
+ }
+ }
+ }
+ else
+ {
+ error = afpItemNotFound; /* no comment available */
+ }
+ }
+
+ return ( error );
+}
+
+/*****************************************************************************/
+
+pascal OSErr HGetVolParms(ConstStr255Param volName,
+ short vRefNum,
+ GetVolParmsInfoBuffer *volParmsInfo,
+ long *infoSize)
+{
+ HParamBlockRec pb;
+ OSErr error;
+
+ pb.ioParam.ioNamePtr = (StringPtr)volName;
+ pb.ioParam.ioVRefNum = vRefNum;
+ pb.ioParam.ioBuffer = (Ptr)volParmsInfo;
+ pb.ioParam.ioReqCount = *infoSize;
+ error = PBHGetVolParmsSync(&pb);
+ if ( error == noErr )
+ {
+ *infoSize = pb.ioParam.ioActCount;
+ }
+ return ( error );
+}
+
+/*****************************************************************************/
+/*
+** GetCommentID
+**
+** Get the comment ID number for the Desktop file's 'FCMT' resource ID from
+** the file or folders fdComment (frComment) field.
+*/
+static OSErr GetCommentID(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ short *commentID)
+{
+ CInfoPBRec pb;
+ OSErr error;
+
+ error = GetCatInfoNoName(vRefNum, dirID, name, &pb);
+ *commentID = pb.hFileInfo.ioFlXFndrInfo.fdComment;
+ return ( error );
+}
+
+/*****************************************************************************/
+
+/*
+** GetDesktopFileName
+**
+** Get the name of the Desktop file.
+*/
+static OSErr GetDesktopFileName(short vRefNum,
+ Str255 desktopName)
+{
+ OSErr error;
+ HParamBlockRec pb;
+ short index;
+ Boolean found;
+
+ pb.fileParam.ioNamePtr = desktopName;
+ pb.fileParam.ioVRefNum = vRefNum;
+ pb.fileParam.ioFVersNum = 0;
+ index = 1;
+ found = false;
+ do
+ {
+ pb.fileParam.ioDirID = fsRtDirID;
+ pb.fileParam.ioFDirIndex = index;
+ error = PBHGetFInfoSync(&pb);
+ if ( error == noErr )
+ {
+ if ( (pb.fileParam.ioFlFndrInfo.fdType == 'FNDR') &&
+ (pb.fileParam.ioFlFndrInfo.fdCreator == 'ERIK') )
+ {
+ found = true;
+ }
+ }
+ ++index;
+ } while ( (error == noErr) && !found );
+
+ return ( error );
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr XGetVInfo(short volReference,
+ StringPtr volName,
+ short *vRefNum,
+ UnsignedWide *freeBytes,
+ UnsignedWide *totalBytes)
+{
+ OSErr result;
+ long response;
+ XVolumeParam pb;
+
+ /* See if large volume support is available */
+ if ( ( Gestalt(gestaltFSAttr, &response) == noErr ) && ((response & (1L << gestaltFSSupports2TBVols)) != 0) )
+ {
+ /* Large volume support is available */
+ pb.ioVRefNum = volReference;
+ pb.ioNamePtr = volName;
+ pb.ioXVersion = 0; /* this XVolumeParam version (0) */
+ pb.ioVolIndex = 0; /* use ioVRefNum only, return volume name */
+ result = PBXGetVolInfoSync(&pb);
+ if ( result == noErr )
+ {
+ /* The volume name was returned in volName (if not NULL) and */
+ /* we have the volume's vRefNum and allocation block size */
+ *vRefNum = pb.ioVRefNum;
+
+ /* return the freeBytes and totalBytes */
+ *totalBytes = pb.ioVTotalBytes;
+ *freeBytes = pb.ioVFreeBytes;
+ }
+ }
+ else
+ {
+ /* No large volume support */
+
+ /* Use HGetVInfo to get the results */
+ result = HGetVInfo(volReference, volName, vRefNum, &freeBytes->lo, &totalBytes->lo);
+ if ( result == noErr )
+ {
+ /* zero the high longs of totalBytes and freeBytes */
+ totalBytes->hi = 0;
+ freeBytes->hi = 0;
+ }
+ }
+ return ( result );
+}
+
+
+
+/*****************************************************************************/
+
+pascal OSErr HGetVInfo(short volReference,
+ StringPtr volName,
+ short *vRefNum,
+ unsigned long *freeBytes,
+ unsigned long *totalBytes)
+{
+ HParamBlockRec pb;
+ unsigned long allocationBlockSize;
+ unsigned short numAllocationBlocks;
+ unsigned short numFreeBlocks;
+ VCB *theVCB;
+ Boolean vcbFound;
+ OSErr result;
+
+ /* Use the File Manager to get the real vRefNum */
+ pb.volumeParam.ioVRefNum = volReference;
+ pb.volumeParam.ioNamePtr = volName;
+ pb.volumeParam.ioVolIndex = 0; /* use ioVRefNum only, return volume name */
+ result = PBHGetVInfoSync(&pb);
+
+ if ( result == noErr )
+ {
+ /* The volume name was returned in volName (if not NULL) and */
+ /* we have the volume's vRefNum and allocation block size */
+ *vRefNum = pb.volumeParam.ioVRefNum;
+ allocationBlockSize = (unsigned long)pb.volumeParam.ioVAlBlkSiz;
+
+ /* System 7.5 (and beyond) pins the number of allocation blocks and */
+ /* the number of free allocation blocks returned by PBHGetVInfo to */
+ /* a value so that when multiplied by the allocation block size, */
+ /* the volume will look like it has $7fffffff bytes or less. This */
+ /* was done so older applications that use signed math or that use */
+ /* the GetVInfo function (which uses signed math) will continue to work. */
+ /* However, the unpinned numbers (which we want) are always available */
+ /* in the volume's VCB so we'll get those values from the VCB if possible. */
+
+ /* Find the volume's VCB */
+ vcbFound = false;
+ theVCB = (VCB *)(GetVCBQHdr()->qHead);
+ while ( (theVCB != NULL) && !vcbFound )
+ {
+ /* Check VCB signature before using VCB. Don't have to check for */
+ /* MFS (0xd2d7) because they can't get big enough to be pinned */
+ if ( theVCB->vcbSigWord == 0x4244 )
+ {
+ if ( theVCB->vcbVRefNum == *vRefNum )
+ {
+ vcbFound = true;
+ }
+ }
+
+ if ( !vcbFound )
+ {
+ theVCB = (VCB *)(theVCB->qLink);
+ }
+ }
+
+ if ( theVCB != NULL )
+ {
+ /* Found a VCB we can use. Get the un-pinned number of allocation blocks */
+ /* and the number of free blocks from the VCB. */
+ numAllocationBlocks = (unsigned short)theVCB->vcbNmAlBlks;
+ numFreeBlocks = (unsigned short)theVCB->vcbFreeBks;
+ }
+ else
+ {
+ /* Didn't find a VCB we can use. Return the number of allocation blocks */
+ /* and the number of free blocks returned by PBHGetVInfoSync. */
+ numAllocationBlocks = (unsigned short)pb.volumeParam.ioVNmAlBlks;
+ numFreeBlocks = (unsigned short)pb.volumeParam.ioVFrBlk;
+ }
+
+ /* Now, calculate freeBytes and totalBytes using unsigned values */
+ *freeBytes = numFreeBlocks * allocationBlockSize;
+ *totalBytes = numAllocationBlocks * allocationBlockSize;
+ }
+
+ return ( result );
+}
+
+
+/*
+** PBXGetVolInfoSync is the glue code needed to make PBXGetVolInfoSync
+** File Manager requests from CFM-based programs. At some point, Apple
+** will get around to adding this to the standard libraries you link with
+** and you'll get a duplicate symbol link error. At that time, just delete
+** this code (or comment it out).
+**
+** Non-CFM 68K programs don't needs this glue (and won't get it) because
+** they instead use the inline assembly glue found in the Files.h interface
+** file.
+*/
+
+#if __WANTPASCALELIMINATION
+#undef pascal
+#endif
+
+#if GENERATINGCFM
+pascal OSErr PBXGetVolInfoSync(XVolumeParamPtr paramBlock)
+{
+ enum
+ {
+ kXGetVolInfoSelector = 0x0012, /* Selector for XGetVolInfo */
+
+ uppFSDispatchProcInfo = kRegisterBased
+ | REGISTER_RESULT_LOCATION(kRegisterD0)
+ | RESULT_SIZE(SIZE_CODE(sizeof(OSErr)))
+ | REGISTER_ROUTINE_PARAMETER(1, kRegisterD1, SIZE_CODE(sizeof(long))) /* trap word */
+ | REGISTER_ROUTINE_PARAMETER(2, kRegisterD0, SIZE_CODE(sizeof(long))) /* selector */
+ | REGISTER_ROUTINE_PARAMETER(3, kRegisterA0, SIZE_CODE(sizeof(XVolumeParamPtr)))
+ };
+
+ return ( CallOSTrapUniversalProc(NGetTrapAddress(_FSDispatch, OSTrap),
+ uppFSDispatchProcInfo,
+ _FSDispatch,
+ kXGetVolInfoSelector,
+ paramBlock) );
+}
+#endif
+
+#if __WANTPASCALELIMINATION
+#define pascal
+#endif
+
+/*****************************************************************************/
+
+pascal OSErr GetDirName(short vRefNum,
+ long dirID,
+ Str31 name)
+{
+ CInfoPBRec pb;
+ OSErr error;
+
+ if ( name != NULL )
+ {
+ pb.dirInfo.ioNamePtr = name;
+ pb.dirInfo.ioVRefNum = vRefNum;
+ pb.dirInfo.ioDrDirID = dirID;
+ pb.dirInfo.ioFDirIndex = -1; /* get information about ioDirID */
+ error = PBGetCatInfoSync(&pb);
+ }
+ else
+ {
+ error = paramErr;
+ }
+
+ return ( error );
+}
+
+
+/*****************************************************************************/
+
+pascal OSErr GetVolFileSystemID(ConstStr255Param pathname,
+ short vRefNum,
+ short *fileSystemID)
+{
+ HParamBlockRec pb;
+ OSErr error;
+
+ error = GetVolumeInfoNoName(pathname,vRefNum, &pb);
+ if ( error == noErr )
+ {
+ *fileSystemID = pb.volumeParam.ioVFSID;
+ }
+
+ return ( error );
+}
+
+/*****************************************************************************/
+
+pascal OSErr GetDInfo(short vRefNum,
+ long dirID,
+ ConstStr255Param name,
+ DInfo *fndrInfo)
+{
+ CInfoPBRec pb;
+ OSErr error;
+
+ error = GetCatInfoNoName(vRefNum, dirID, name, &pb);
+ if ( error == noErr )
+ {
+ if ( (pb.dirInfo.ioFlAttrib & ioDirMask) != 0 )
+ {
+ /* it's a directory, return the DInfo */
+ *fndrInfo = pb.dirInfo.ioDrUsrWds;
+ }
+ else
+ {
+ /* oops, a file was passed */
+ error = dirNFErr;
+ }
+ }
+
+ return ( error );
+}
+
+/*****************************************************************************/
+
+pascal OSErr FSpGetDInfo(const FSSpec *spec,
+ DInfo *fndrInfo)
+{
+ return ( GetDInfo(spec->vRefNum, spec->parID, spec->name, fndrInfo) );
+}
+
+
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