Sources/MoreFiles.c

/*
    File:       MoreFiles.c
 
    Contains:   The long lost high-level and FSSpec File Manager functions.
 
    Version:    MoreFiles
 
    Copyright:  © 1992-2002 by Apple Computer, Inc., all rights reserved.
 
    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.
                ("Apple") in consideration of your agreement to the following terms, and your
                use, installation, modification or redistribution of this Apple software
                constitutes acceptance of these terms.  If you do not agree with these terms,
                please do not use, install, modify or redistribute this Apple software.
 
                In consideration of your agreement to abide by the following terms, and subject
                to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
                copyrights in this original Apple software (the "Apple Software"), to use,
                reproduce, modify and redistribute the Apple Software, with or without
                modifications, in source and/or binary forms; provided that if you redistribute
                the Apple Software in its entirety and without modifications, you must retain
                this notice and the following text and disclaimers in all such redistributions of
                the Apple Software.  Neither the name, trademarks, service marks or logos of
                Apple Computer, Inc. may be used to endorse or promote products derived from the
                Apple Software without specific prior written permission from Apple.  Except as
                expressly stated in this notice, no other rights or licenses, express or implied,
                are granted by Apple herein, including but not limited to any patent rights that
                may be infringed by your derivative works or by other works in which the Apple
                Software may be incorporated.
 
                The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO
                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
                WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
                COMBINATION WITH YOUR PRODUCTS.
 
                IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
                CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
                GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
                OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
                (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
                ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
    File Ownership:
 
        DRI:                Apple Macintosh Developer Technical Support
 
        Other Contact:      Apple Macintosh Developer Technical Support
                            <http://developer.apple.com/bugreporter/>
 
        Technology:         DTS Sample Code
 
    Writers:
 
        (JL)    Jim Luther
 
    Change History (most recent first):
 
         <3>     8/23/02    JL      [2853901]  Updated standard disclaimer.
         <2>      2/7/01    JL      Added standard header. Updated names of includes.
        <1>     12/06/99    JL      MoreFiles 1.5.
*/
 
#include <MacTypes.h>
#include <MacErrors.h>
#include <Files.h>
 
#define __COMPILINGMOREFILES
 
#include "MoreFiles.h"
#include "MoreFilesExtras.h"
 
/*****************************************************************************/
 
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 );
}
 
/*****************************************************************************/
 
pascal  OSErr   HCreateMinimum(short vRefNum,
                               long dirID,
                               ConstStr255Param fileName)
{
    HParamBlockRec pb;
 
    pb.fileParam.ioNamePtr = (StringPtr)fileName;
    pb.fileParam.ioVRefNum = vRefNum;
    pb.ioParam.ioVersNum = 0;
    pb.fileParam.ioDirID = dirID;
    return ( PBHCreateSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpCreateMinimum(const FSSpec *spec)
{
    return ( HCreateMinimum(spec->vRefNum, spec->parID, spec->name) );
}
 
/*****************************************************************************/
 
pascal  OSErr   ExchangeFiles(short vRefNum,
                              long srcDirID,
                              ConstStr255Param srcName,
                              long dstDirID,
                              ConstStr255Param dstName)
{
    HParamBlockRec pb;
 
    pb.fidParam.ioVRefNum = vRefNum;
    pb.fidParam.ioSrcDirID = srcDirID;
    pb.fidParam.ioNamePtr = (StringPtr)srcName;
    pb.fidParam.ioDestDirID = dstDirID;
    pb.fidParam.ioDestNamePtr = (StringPtr)dstName;
    return ( PBExchangeFilesSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   ResolveFileIDRef(ConstStr255Param volName,
                                 short vRefNum,
                                 long fileID,
                                 long *parID,
                                 StringPtr fileName)
{
    HParamBlockRec pb;
    OSErr error;
    Str255 tempStr;
    
    tempStr[0] = 0;
    if ( volName != NULL )
    {
        BlockMoveData(volName, tempStr, volName[0] + 1);
    }
    pb.fidParam.ioNamePtr = (StringPtr)tempStr;
    pb.fidParam.ioVRefNum = vRefNum;
    pb.fidParam.ioFileID = fileID;
    error = PBResolveFileIDRefSync(&pb);
    if ( error == noErr )
    {
        *parID = pb.fidParam.ioSrcDirID;
        if ( fileName != NULL )
        {
            BlockMoveData(tempStr, fileName, tempStr[0] + 1);
        }
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpResolveFileIDRef(ConstStr255Param volName,
                                    short vRefNum,
                                    long fileID,
                                    FSSpec *spec)
{
    OSErr   error;
    
    error = DetermineVRefNum(volName, vRefNum, &(spec->vRefNum));
    if ( error == noErr )
    {
        error = ResolveFileIDRef(volName, vRefNum, fileID, &(spec->parID), spec->name);
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   CreateFileIDRef(short vRefNum,
                                long parID,
                                ConstStr255Param fileName,
                                long *fileID)
{
    HParamBlockRec pb;
    OSErr error;
 
    pb.fidParam.ioNamePtr = (StringPtr)fileName;
    pb.fidParam.ioVRefNum = vRefNum;
    pb.fidParam.ioSrcDirID = parID;
    error = PBCreateFileIDRefSync(&pb);
    if ( (error == noErr) || (error == fidExists) || (error == afpIDExists) )
    {
        *fileID = pb.fidParam.ioFileID;
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpCreateFileIDRef(const FSSpec *spec,
                                   long *fileID)
{
    return ( CreateFileIDRef(spec->vRefNum, spec->parID, spec->name, fileID) );
}
 
/*****************************************************************************/
 
pascal  OSErr   DeleteFileIDRef(ConstStr255Param volName,
                                short vRefNum,
                                long fileID)
{
    HParamBlockRec pb;
 
    pb.fidParam.ioNamePtr = (StringPtr)volName;
    pb.fidParam.ioVRefNum = vRefNum;
    pb.fidParam.ioFileID = fileID;
    return ( PBDeleteFileIDRefSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   FlushFile(short refNum)
{
    ParamBlockRec pb;
 
    pb.ioParam.ioRefNum = refNum;
    return ( PBFlushFileSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   LockRange(short refNum,
                          long rangeLength,
                          long rangeStart)
{
    ParamBlockRec pb;
 
    pb.ioParam.ioRefNum = refNum;
    pb.ioParam.ioReqCount = rangeLength;
    pb.ioParam.ioPosMode = fsFromStart;
    pb.ioParam.ioPosOffset = rangeStart;
    return ( PBLockRangeSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   UnlockRange(short refNum,
                            long rangeLength,
                            long rangeStart)
{
    ParamBlockRec pb;
 
    pb.ioParam.ioRefNum = refNum;
    pb.ioParam.ioReqCount = rangeLength;
    pb.ioParam.ioPosMode = fsFromStart;
    pb.ioParam.ioPosOffset = rangeStart;
    return ( PBUnlockRangeSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   GetForeignPrivs(short vRefNum,
                                long dirID,
                                ConstStr255Param name,
                                void *foreignPrivBuffer,
                                long *foreignPrivSize,
                                long *foreignPrivInfo1,
                                long *foreignPrivInfo2,
                                long *foreignPrivInfo3,
                                long *foreignPrivInfo4)
{
    HParamBlockRec pb;
    OSErr error;
 
    pb.foreignPrivParam.ioNamePtr = (StringPtr)name;
    pb.foreignPrivParam.ioVRefNum = vRefNum;
    pb.foreignPrivParam.ioForeignPrivDirID = dirID; 
    pb.foreignPrivParam.ioForeignPrivBuffer = (Ptr)foreignPrivBuffer;
    pb.foreignPrivParam.ioForeignPrivReqCount = *foreignPrivSize;
    error = PBGetForeignPrivsSync(&pb);
    *foreignPrivSize = pb.foreignPrivParam.ioForeignPrivActCount;
    *foreignPrivInfo1 = pb.foreignPrivParam.ioForeignPrivInfo1;
    *foreignPrivInfo2 = pb.foreignPrivParam.ioForeignPrivInfo2;
    *foreignPrivInfo3 = pb.foreignPrivParam.ioForeignPrivInfo3;
    *foreignPrivInfo4 = pb.foreignPrivParam.ioForeignPrivInfo4;
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpGetForeignPrivs(const FSSpec *spec,
                                   void *foreignPrivBuffer,
                                   long *foreignPrivSize,
                                   long *foreignPrivInfo1,
                                   long *foreignPrivInfo2,
                                   long *foreignPrivInfo3,
                                   long *foreignPrivInfo4)
{
    return ( GetForeignPrivs(spec->vRefNum, spec->parID, spec->name,
                             foreignPrivBuffer, foreignPrivSize,
                             foreignPrivInfo1, foreignPrivInfo2,
                             foreignPrivInfo3, foreignPrivInfo4) );
}
 
/*****************************************************************************/
 
pascal  OSErr   SetForeignPrivs(short vRefNum,
                                long dirID,
                                ConstStr255Param name,
                                const void *foreignPrivBuffer,
                                long *foreignPrivSize,
                                long foreignPrivInfo1,
                                long foreignPrivInfo2,
                                long foreignPrivInfo3,
                                long foreignPrivInfo4)
{
    HParamBlockRec pb;
    OSErr error;
 
    pb.foreignPrivParam.ioNamePtr = (StringPtr)name;
    pb.foreignPrivParam.ioVRefNum = vRefNum;
    pb.foreignPrivParam.ioForeignPrivDirID = dirID; 
    pb.foreignPrivParam.ioForeignPrivBuffer = (Ptr)foreignPrivBuffer;
    pb.foreignPrivParam.ioForeignPrivReqCount = *foreignPrivSize;
    pb.foreignPrivParam.ioForeignPrivInfo1 = foreignPrivInfo1;
    pb.foreignPrivParam.ioForeignPrivInfo2 = foreignPrivInfo2;
    pb.foreignPrivParam.ioForeignPrivInfo3 = foreignPrivInfo3;
    pb.foreignPrivParam.ioForeignPrivInfo4 = foreignPrivInfo4;
    error = PBSetForeignPrivsSync(&pb);
    if ( error == noErr )
    {
        *foreignPrivSize = pb.foreignPrivParam.ioForeignPrivActCount;
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpSetForeignPrivs(const FSSpec *spec,
                                   const void *foreignPrivBuffer,
                                   long *foreignPrivSize,
                                   long foreignPrivInfo1,
                                   long foreignPrivInfo2,
                                   long foreignPrivInfo3,
                                   long foreignPrivInfo4)
{
    return ( SetForeignPrivs(spec->vRefNum, spec->parID, spec->name,
                             foreignPrivBuffer, foreignPrivSize,
                             foreignPrivInfo1, foreignPrivInfo2,
                             foreignPrivInfo3, foreignPrivInfo4) );
}
 
/*****************************************************************************/
 
pascal  OSErr   HGetLogInInfo(ConstStr255Param volName,
                              short vRefNum,
                              short *loginMethod,
                              StringPtr userName)
{
    HParamBlockRec pb;
    OSErr error;
 
    pb.objParam.ioNamePtr = (StringPtr)volName;
    pb.objParam.ioVRefNum = vRefNum;
    pb.objParam.ioObjNamePtr = userName;
    error = PBHGetLogInInfoSync(&pb);
    if ( error == noErr )
    {
        *loginMethod = pb.objParam.ioObjType;
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   HGetDirAccess(short vRefNum,
                              long dirID,
                              ConstStr255Param name,
                              long *ownerID,
                              long *groupID,
                              long *accessRights)
{
    HParamBlockRec pb;
    OSErr error;
 
    pb.accessParam.ioNamePtr = (StringPtr)name;
    pb.accessParam.ioVRefNum = vRefNum;
    pb.fileParam.ioDirID = dirID;
    error = PBHGetDirAccessSync(&pb);
    if ( error == noErr )
    {
        *ownerID = pb.accessParam.ioACOwnerID;
        *groupID = pb.accessParam.ioACGroupID;
        *accessRights = pb.accessParam.ioACAccess;
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpGetDirAccess(const FSSpec *spec,
                                long *ownerID,
                                long *groupID,
                                long *accessRights)
{
    return ( HGetDirAccess(spec->vRefNum, spec->parID, spec->name,
                           ownerID, groupID, accessRights) );
}
 
/*****************************************************************************/
 
pascal  OSErr   HSetDirAccess(short vRefNum,
                              long dirID,
                              ConstStr255Param name,
                              long ownerID,
                              long groupID,
                              long accessRights)
{
    HParamBlockRec pb;
 
    pb.accessParam.ioNamePtr = (StringPtr)name;
    pb.accessParam.ioVRefNum = vRefNum;
    pb.fileParam.ioDirID = dirID;
    pb.accessParam.ioACOwnerID = ownerID;
    pb.accessParam.ioACGroupID = groupID;
    pb.accessParam.ioACAccess = accessRights;
    return ( PBHSetDirAccessSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpSetDirAccess(const FSSpec *spec,
                                long ownerID,
                                long groupID,
                                long accessRights)
{
    return ( HSetDirAccess(spec->vRefNum, spec->parID, spec->name,
                           ownerID, groupID, accessRights) );
}
 
/*****************************************************************************/
 
pascal  OSErr   HMapID(ConstStr255Param volName,
                       short vRefNum,
                       long ugID,
                       short objType,
                       StringPtr name)
{
    HParamBlockRec pb;
 
    pb.objParam.ioNamePtr = (StringPtr)volName;
    pb.objParam.ioVRefNum = vRefNum;
    pb.objParam.ioObjType = objType;
    pb.objParam.ioObjNamePtr = name;
    pb.objParam.ioObjID = ugID;
    return ( PBHMapIDSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   HMapName(ConstStr255Param volName,
                         short vRefNum,
                         ConstStr255Param name,
                         short objType,
                         long *ugID)
{
    HParamBlockRec pb;
    OSErr error;
 
    pb.objParam.ioNamePtr = (StringPtr)volName;
    pb.objParam.ioVRefNum = vRefNum;
    pb.objParam.ioObjType = objType;
    pb.objParam.ioObjNamePtr = (StringPtr)name;
    error = PBHMapNameSync(&pb);
    if ( error == noErr )
    {
        *ugID = pb.objParam.ioObjID;
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   HCopyFile(short srcVRefNum,
                          long srcDirID,
                          ConstStr255Param srcName,
                          short dstVRefNum,
                          long dstDirID,
                          ConstStr255Param dstPathname,
                          ConstStr255Param copyName)
{
    HParamBlockRec pb;
 
    pb.copyParam.ioVRefNum = srcVRefNum;
    pb.copyParam.ioDirID = srcDirID;
    pb.copyParam.ioNamePtr = (StringPtr)srcName;
    pb.copyParam.ioDstVRefNum = dstVRefNum;
    pb.copyParam.ioNewDirID = dstDirID;
    pb.copyParam.ioNewName = (StringPtr)dstPathname;
    pb.copyParam.ioCopyName = (StringPtr)copyName;
    return ( PBHCopyFileSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpCopyFile(const FSSpec *srcSpec,
                            const FSSpec *dstSpec,
                            ConstStr255Param copyName)
{
    return ( HCopyFile(srcSpec->vRefNum, srcSpec->parID, srcSpec->name,
                       dstSpec->vRefNum, dstSpec->parID,
                       dstSpec->name, copyName) );
}
 
/*****************************************************************************/
 
pascal  OSErr   HMoveRename(short vRefNum,
                            long srcDirID,
                            ConstStr255Param srcName,
                            long dstDirID,
                            ConstStr255Param dstpathName,
                            ConstStr255Param copyName)
{
    HParamBlockRec pb;
 
    pb.copyParam.ioVRefNum = vRefNum;
    pb.copyParam.ioDirID = srcDirID;
    pb.copyParam.ioNamePtr = (StringPtr)srcName;
    pb.copyParam.ioNewDirID = dstDirID;
    pb.copyParam.ioNewName = (StringPtr)dstpathName;
    pb.copyParam.ioCopyName = (StringPtr)copyName;
    return ( PBHMoveRenameSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpMoveRename(const FSSpec *srcSpec,
                              const FSSpec *dstSpec,
                              ConstStr255Param copyName)
{
    OSErr   error;
    
    /* make sure the FSSpecs refer to the same volume */
    if ( srcSpec->vRefNum != dstSpec->vRefNum )
    {
        error = diffVolErr;
    }
    else
    {
        error = HMoveRename(srcSpec->vRefNum, srcSpec->parID, srcSpec->name, 
                            dstSpec->parID, dstSpec->name, copyName);
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   GetVolMountInfoSize(ConstStr255Param volName,
                                    short vRefNum,
                                    short *size)
{
    ParamBlockRec pb;
 
    pb.ioParam.ioNamePtr = (StringPtr)volName;
    pb.ioParam.ioVRefNum = vRefNum;
    pb.ioParam.ioBuffer = (Ptr)size;
    return ( PBGetVolMountInfoSize(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   GetVolMountInfo(ConstStr255Param volName,
                                short vRefNum,
                                void *volMountInfo)
{
    ParamBlockRec pb;
 
    pb.ioParam.ioNamePtr = (StringPtr)volName;
    pb.ioParam.ioVRefNum = vRefNum;
    pb.ioParam.ioBuffer = (Ptr)volMountInfo;
    return ( PBGetVolMountInfo(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   VolumeMount(const void *volMountInfo,
                            short *vRefNum)
{
    ParamBlockRec pb;
    OSErr error;
 
    pb.ioParam.ioBuffer = (Ptr)volMountInfo;
    error = PBVolumeMount(&pb);
    if ( error == noErr )
    {
        *vRefNum = pb.ioParam.ioVRefNum;
    }
    return ( error );
}
 
/*****************************************************************************/
 
pascal  OSErr   Share(short vRefNum,
                      long dirID,
                      ConstStr255Param name)
{
    HParamBlockRec pb;
 
    pb.fileParam.ioNamePtr = (StringPtr)name;
    pb.fileParam.ioVRefNum = vRefNum;
    pb.fileParam.ioDirID = dirID;
    return ( PBShareSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpShare(const FSSpec *spec)
{
    return ( Share(spec->vRefNum, spec->parID, spec->name) );
}
 
/*****************************************************************************/
 
pascal  OSErr   Unshare(short vRefNum,
                        long dirID,
                        ConstStr255Param name)
{
    HParamBlockRec pb;
 
    pb.fileParam.ioNamePtr = (StringPtr)name;
    pb.fileParam.ioVRefNum = vRefNum;
    pb.fileParam.ioDirID = dirID;
    return ( PBUnshareSync(&pb) );
}
 
/*****************************************************************************/
 
pascal  OSErr   FSpUnshare(const FSSpec *spec)
{
    return ( Unshare(spec->vRefNum, spec->parID, spec->name) );
}
 
/*****************************************************************************/
 
pascal  OSErr   GetUGEntry(short objType,
                           StringPtr objName,
                           long *objID)
{
    HParamBlockRec pb;
    OSErr error;
 
    pb.objParam.ioObjType = objType;
    pb.objParam.ioObjNamePtr = objName;
    pb.objParam.ioObjID = *objID;
    error = PBGetUGEntrySync(&pb);
    if ( error == noErr )
    {
        *objID = pb.objParam.ioObjID;
    }
    return ( error );
}
 
/*****************************************************************************/