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1 line
12 KiB
C
Executable File
1 line
12 KiB
C
Executable File
/*
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File: Search.h
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Contains: IndexedSearch and the PBCatSearch compatibility function.
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Version: Technology: MoreFiles
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Release: 1.5.2
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Copyright: © 1992-2001 by Apple Computer, Inc., all rights reserved.
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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/*
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You may incorporate this sample code into your applications without
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restriction, though the sample code has been provided "AS IS" and the
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responsibility for its operation is 100% yours. However, what you are
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not permitted to do is to redistribute the source as "DSC Sample Code"
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after having made changes. If you're going to re-distribute the source,
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we require that you make it clear in the source that the code was
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descended from Apple Sample Code, but that you've made changes.
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*/
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#ifndef __SEARCH__
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#define __SEARCH__
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#ifndef __MACTYPES__
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#include <MacTypes.h>
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#endif
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#ifndef __FILES__
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#include <Files.h>
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#endif
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#include "Optimization.h"
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#if PRAGMA_ONCE
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=mac68k
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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/*****************************************************************************/
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EXTERN_API( OSErr )
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IndexedSearch(
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CSParamPtr pb,
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long dirID);
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/*
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The IndexedSearch function performs an indexed search in and below the
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specified directory using the same parameters (in pb) as is passed to
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PBCatSearch. See Inside Macintosh: Files for a description of the
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parameter block.
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pb input: A CSParamPtr record specifying the volume to search
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and the search criteria.
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output: Fields in the parameter block are returned indicating
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the number of matches found, the matches, and if the
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search ended with noErr, the CatPosition record that
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lets you resume a search where the last search left
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off.
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dirID input: The directory to search. If fsRtDirID is passed,
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the entire volume is searched.
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Note: If you use a high-level debugger and use ioSearchTime to limit
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the length of time to run the search, you'll want to step over
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calls to IndexedSearch because it installs a Time Manager task.
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Most high-level debuggers don't deal gracefully with interrupt
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driven code.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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eofErr -39 End of catalog found (this is normal!)
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paramErr -50 Parameter block has invalid parameters
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(see source for VerifyUserPB) or
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invalid catPosition record was passed
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extFSErr -58 External file system error - no file
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system claimed this call.
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memFullErr -108 Memory could not be allocated in heap
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catChangedErr -1304 Catalog has changed and catalog position
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record may be invalid
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__________
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See also: PBCatSearch, PBCatSearchSyncCompat
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*/
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/*****************************************************************************/
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EXTERN_API( OSErr )
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PBCatSearchSyncCompat(CSParamPtr paramBlock);
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/*
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The PBCatSearchSyncCompat function uses PBCatSearch (if available) or
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IndexedSearch (if PBCatSearch is not available) to search a volume
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using a set of search criteria that you specify. It builds a list of all
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files or directories that meet your specifications.
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pb input: A CSParamPtr record specifying the volume to search
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and the search criteria.
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output: Fields in the parameter block are returned indicating
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the number of matches found, the matches, and if the
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search ended with noErr, the CatPosition record that
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lets you resume a search where the last search left
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off.
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Note: If you use a high-level debugger and use ioSearchTime to limit
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the length of time to run the search, you'll want to step over
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calls to PBCatSearchSyncCompat because it calls IndexedSearch
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which installs a Time Manager task. Most high-level debuggers
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don't deal gracefully with interrupt driven code.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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eofErr -39 End of catalog found (this is normal!)
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paramErr -50 Parameter block has invalid parameters
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(see source for VerifyUserPB) or
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invalid catPosition record was passed
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extFSErr -58 External file system error - no file
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system claimed this call.
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memFullErr -108 Memory could not be allocated in heap
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catChangedErr -1304 Catalog has changed and catalog position
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record may be invalid
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afpCatalogChanged -5037 Catalog has changed and search cannot
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be resumed
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__________
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See also: PBCatSearch, IndexedSearch
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*/
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/*****************************************************************************/
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EXTERN_API( OSErr )
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NameFileSearch(
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ConstStr255Param volName,
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short vRefNum,
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ConstStr255Param fileName,
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FSSpecPtr matches,
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long reqMatchCount,
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long * actMatchCount,
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Boolean newSearch,
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Boolean partial);
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/*
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The NameFileSearch function searches for files with a specific file
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name on a volume that supports PBCatSearch.
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Note: A result of catChangedErr means the catalog has changed between
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searches, but the search can be continued with the possiblity that you
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may miss some matches or get duplicate matches. For all other results
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(except for noErr), the search cannot be continued.
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volName input: A pointer to the name of a mounted volume
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or nil.
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vRefNum input: Volume specification.
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fileName input: The name of the file to search for.
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matches input: Pointer to array of FSSpec where the match list is
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returned.
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reqMatchCount input: Maximum number of matches to return (the number of
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elements in the matches array).
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actMatchCount output: The number of matches actually returned.
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newSearch input: If true, start a new search. If false and if
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vRefNum is the same as the last call to
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NameFileSearch, then start searching at the
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position where the last search left off.
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partial input: If the partial parameter is false, then only files
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that exactly match fileName will be found. If the
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partial parameter is true, then all file names that
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contain fileName will be found.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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eofErr -39 End of catalog found (this is normal!)
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paramErr -50 Parameter block has invalid parameters
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(see source for VerifyUserPB) or
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invalid catPosition record was passed
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extFSErr -58 External file system error - no file
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system claimed this call.
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memFullErr -108 Memory could not be allocated in heap
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catChangedErr -1304 Catalog has changed and catalog position
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record may be invalid
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afpCatalogChanged -5037 Catalog has changed and search cannot
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be resumed
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__________
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Also see: CreatorTypeFileSearch
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*/
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/*****************************************************************************/
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EXTERN_API( OSErr )
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CreatorTypeFileSearch(
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ConstStr255Param volName,
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short vRefNum,
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OSType creator,
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OSType fileType,
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FSSpecPtr matches,
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long reqMatchCount,
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long * actMatchCount,
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Boolean newSearch);
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/*
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The CreatorTypeFileSearch function searches for files with a specific
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creator or fileType on a volume that supports PBCatSearch.
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Note: A result of catChangedErr means the catalog has changed between
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searches, but the search can be continued with the possiblity that you
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may miss some matches or get duplicate matches. For all other results
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(except for noErr), the search cannot be continued.
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volName input: A pointer to the name of a mounted volume
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or nil.
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vRefNum input: Volume specification.
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creator input: The creator type of the file to search for.
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To ignore the creator type, pass 0x00000000 in
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this field.
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fileType input: The file type of the file to search for.
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To ignore the file type, pass 0x00000000 in
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this field.
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matches input: Pointer to array of FSSpec where the match list is
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returned.
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reqMatchCount input: Maximum number of matches to return (the number of
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elements in the matches array).
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actMatchCount output: The number of matches actually returned.
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newSearch input: If true, start a new search. If false and if
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vRefNum is the same as the last call to
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CreatorTypeFileSearch, then start searching at the
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position where the last search left off.
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Result Codes
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noErr 0 No error
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nsvErr -35 Volume not found
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ioErr -36 I/O error
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eofErr -39 End of catalog found (this is normal!)
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paramErr -50 Parameter block has invalid parameters
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(see source for VerifyUserPB) or
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invalid catPosition record was passed
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extFSErr -58 External file system error - no file
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system claimed this call.
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memFullErr -108 Memory could not be allocated in heap
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catChangedErr -1304 Catalog has changed and catalog position
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record may be invalid
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afpCatalogChanged -5037 Catalog has changed and search cannot
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be resumed
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__________
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Also see: NameFileSearch
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*/
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/*****************************************************************************/
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#include "OptimizationEnd.h"
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=reset
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(pop)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack()
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#endif
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#ifdef PRAGMA_IMPORT_OFF
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#pragma import off
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#elif PRAGMA_IMPORT
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#pragma import reset
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __SEARCH__ */
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