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86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code,
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* released March 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*
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* Contributors:
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* Daniel Veditz <dveditz@netscape.com>
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*/
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#ifndef _zipfile_h
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#define _zipfile_h
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/*
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* This module implements a simple archive extractor for the PKZIP format.
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*
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* All functions return a status/error code, and have an opaque hZip argument
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* that represents an open archive.
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*
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* Currently only compression mode 8 (or none) is supported.
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*/
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#include "prtypes.h"
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#define ZIP_OK 0
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#define ZIP_ERR_GENERAL -1
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#define ZIP_ERR_MEMORY -2
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#define ZIP_ERR_DISK -3
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#define ZIP_ERR_CORRUPT -4
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#define ZIP_ERR_PARAM -5
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#define ZIP_ERR_FNF -6
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#define ZIP_ERR_UNSUPPORTED -7
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#define ZIP_ERR_SMALLBUF -8
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PR_BEGIN_EXTERN_C
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/* Open and close the archive
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*
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* If successful OpenArchive returns a handle in the hZip parameter
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* that must be passed to all subsequent operations on the archive
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*/
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PR_EXTERN(PRInt32) ZIP_OpenArchive( const char * zipname, void** hZip );
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PR_EXTERN(PRInt32) ZIP_CloseArchive( void** hZip );
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/* Extract the named file in the archive to disk.
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* This function will happily overwrite an existing Outfile if it can.
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* It's up to the caller to detect or move it out of the way if it's important.
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*/
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PR_EXTERN(PRInt32) ZIP_ExtractFile( void* hZip, const char * filename, const char * outname );
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/* Functions to list the files contained in the archive
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*
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* FindInit() initializes the search with the pattern, then FindNext() is
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* called to get the matching filenames if any.
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*
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* a NULL pattern will find all the files in the archive, otherwise the
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* pattern must be a shell regexp type pattern.
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*
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* if a matching filename is too small for the passed buffer FindNext()
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* will return ZIP_ERR_SMALLBUF. When no more matches can be found in
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* the archive it will return ZIP_ERR_FNF
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*/
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PR_EXTERN(PRInt32) ZIP_FindInit( void* hZip, const char * pattern );
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PR_EXTERN(PRInt32) ZIP_FindNext( void* hZip, char * outbuf, PRUint16 bufsize );
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PR_END_EXTERN_C
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#endif /* _zipfile_h */
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