zip.h
上传用户:lyxiangda
上传日期:2007-01-12
资源大小:3042k
文件大小:4k
- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- /* zip.h
- * Structures and functions for creating ZIP archives.
- */
- #ifndef ZIP_H
- #define ZIP_H
- /* For general information on ZIP formats, you can look at jarfile.h
- * in ns/security/lib/jar. Or look it up on the web...
- */
- /* One entry in a ZIPfile. This corresponds to one file in the archive.
- * We have to save this information because first all the files go into
- * the archive with local headers; then at the end of the file we have to
- * put the central directory entries for each file.
- */
- typedef struct ZIPentry_s {
- struct ZipLocal local; /* local header info */
- struct ZipCentral central; /* central directory info */
- char *filename; /* name of file */
- char *comment; /* comment for this file -- optional */
- struct ZIPentry_s *next;
- } ZIPentry;
- /* This structure contains the necessary data for putting a ZIP file
- * together. Has some overall information and a list of ZIPentrys.
- */
- typedef struct ZIPfile_s {
- char *filename; /* ZIP file name */
- char *comment; /* ZIP file comment -- may be NULL */
- PRFileDesc *fp; /* ZIP file pointer */
- ZIPentry *list; /* one entry for each file in the archive */
- unsigned int time; /* the GMT time of creation, in DOS format */
- unsigned int date; /* the GMT date of creation, in DOS format */
- unsigned long central_start; /* starting offset of central directory */
- unsigned long central_end; /*index right after the last byte of central*/
- } ZIPfile;
- /* Open a new ZIP file. Takes the name of the zip file and an optional
- * comment to be included in the file. Returns a new ZIPfile structure
- * which is used by JzipAdd and JzipClose
- */
- ZIPfile* JzipOpen(char *filename, char *comment);
- /* Add a file to a ZIP archive. Fullname is the path relative to the
- * current directory. Filename is what the name will be stored as in the
- * archive, and thus what it will be restored as. zipfile is a structure
- * returned from a previous call to JzipOpen.
- *
- * Non-zero return code means error (although usually the function will
- * call exit() rather than return an error--gotta fix this).
- */
- int JzipAdd(char *fullname, char *filename, ZIPfile *zipfile,
- int compression_level);
- /* Finalize a ZIP archive. Adds all the footer information to the end of
- * the file and closes it. Also DELETES THE ZIPFILE STRUCTURE that was
- * passed in. So you never have to allocate or free a ZIPfile yourself.
- *
- * Non-zero return code means error (although usually the function will
- * call exit() rather than return an error--gotta fix this).
- */
- int JzipClose (ZIPfile *zipfile);
- #endif /* ZIP_H */