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99 lines
2.9 KiB
C
99 lines
2.9 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 "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications 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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/*
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* Prototypes for "zip" file reader support
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*/
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#ifndef _NS_ZIP_H_
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#define _NS_ZIP_H_
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PR_BEGIN_EXTERN_C
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#include <time.h>
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#include "prtypes.h"
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/* XXX: IMO, the following should go into NSPR */
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#if defined(XP_PC) && !defined(_WIN32)
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#include <malloc.h> /* needed for _halloc() */
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#ifndef HUGEP
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#define HUGEP __huge
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#endif
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#ifndef CHECK_SIZE_LIMIT
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#define CHECK_SIZE_LIMIT(x) PR_ASSERT( (x) <= 0xFFFFL )
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#endif
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#else /* else for defined(XP_PC) && !defined(_WIN32) */
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#ifndef HUGEP
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#define HUGEP
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#endif
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#ifndef CHECK_SIZE_LIMIT
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#define CHECK_SIZE_LIMIT(x) ((void)0)
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#endif
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#endif /* defined(XP_PC) && !defined(_WIN32) */
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/* XXX: IMO, the following should go into NSPR */
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#ifndef FD_ERROR1
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#define FD_ERROR1 ((PRFileDesc*)-1)
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#endif
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#ifndef FD_ERROR2
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#define FD_ERROR2 ((PRFileDesc*)-2)
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#endif
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#ifndef FD_IS_ERROR
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#define FD_IS_ERROR(fd) ((fd) == NULL || fd == FD_ERROR1 || fd == FD_ERROR2)
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#endif
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/*
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* Central directory entry
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*/
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typedef struct {
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char *fn; /* file name */
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PRUint32 len; /* file size */
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PRUint32 size; /* file compressed size */
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int method; /* Compression method */
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int mod; /* file modification time */
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long off; /* local file header offset */
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} direl_t;
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/*
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* Zip file
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*/
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typedef struct {
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char *fn; /* zip file name */
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PRFileDesc *fd; /* zip file descriptor */
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direl_t *dir; /* zip file directory */
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PRUint32 nel; /* number of directory entries */
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PRUint32 cenoff; /* Offset of central directory (CEN) */
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PRUint32 endoff; /* Offset of end-of-central-directory record */
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} ns_zip_t;
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struct stat;
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PR_PUBLIC_API(PRBool) ns_zip_lock(void);
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PR_PUBLIC_API(void) ns_zip_unlock(void);
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PR_PUBLIC_API(ns_zip_t *) ns_zip_open(const char *fn);
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PR_PUBLIC_API(void) ns_zip_close(ns_zip_t *zip);
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PR_PUBLIC_API(PRBool) ns_zip_stat(ns_zip_t *zip, const char *fn, struct stat *sbuf);
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PR_PUBLIC_API(PRBool) ns_zip_get(ns_zip_t *zip, const char *fn, void *buf, PRInt32 len);
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PR_PUBLIC_API(PRUint32) ns_zip_get_no_of_elements(ns_zip_t *zip, const char *fn_suffix);
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PR_PUBLIC_API(PRUint32) ns_zip_list_files(ns_zip_t *zip, const char *fn_suffix, void HUGEP *buf, PRUint32 len);
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PR_END_EXTERN_C
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#endif /* !_NS_ZIP_H_ */
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