The Tor Browser: security/nss/cmd/signtool/zip.h@141e0f1194b1

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 /* zip.h

     6  * Structures and functions for creating ZIP archives.

     7  */

     8 #ifndef ZIP_H

     9 #define ZIP_H

    11 /* For general information on ZIP formats, you can look at jarfile.h

    12  * in ns/security/lib/jar.  Or look it up on the web...

    13  */

    15 /* One entry in a ZIPfile.  This corresponds to one file in the archive.

    16  * We have to save this information because first all the files go into

    17  * the archive with local headers; then at the end of the file we have to

    18  * put the central directory entries for each file.

    19  */

    20 typedef struct ZIPentry_s {

    21 	struct ZipLocal local;		/* local header info */

    22 	struct ZipCentral central;	/* central directory info */

    23 	char *filename;				/* name of file */

    24 	char *comment;				/* comment for this file -- optional */

    26 	struct ZIPentry_s *next;

    27 } ZIPentry;

    29 /* This structure contains the necessary data for putting a ZIP file

    30  * together.  Has some overall information and a list of ZIPentrys.

    31  */

    32 typedef struct ZIPfile_s {

    33 	char *filename;	/* ZIP file name */

    34 	char *comment;	/* ZIP file comment -- may be NULL */

    35 	PRFileDesc *fp;	/* ZIP file pointer */

    36 	ZIPentry *list;	/* one entry for each file in the archive */

    37 	unsigned int time;	/* the GMT time of creation, in DOS format */

    38 	unsigned int date;  /* the GMT date of creation, in DOS format */

    39 	unsigned long central_start; /* starting offset of central directory */

    40 	unsigned long central_end; /*index right after the last byte of central*/

    41 } ZIPfile;

    44 /* Open a new ZIP file.  Takes the name of the zip file and an optional

    45  * comment to be included in the file.  Returns a new ZIPfile structure

    46  * which is used by JzipAdd and JzipClose

    47  */

    48 ZIPfile* JzipOpen(char *filename, char *comment);

    50 /* Add a file to a ZIP archive.  Fullname is the path relative to the

    51  * current directory.  Filename is what the name will be stored as in the

    52  * archive, and thus what it will be restored as.  zipfile is a structure

    53  * returned from a previous call to JzipOpen.

    54  *

    55  * Non-zero return code means error (although usually the function will

    56  * call exit() rather than return an error--gotta fix this).

    57  */

    58 int JzipAdd(char *fullname, char *filename, ZIPfile *zipfile,

    59 	int compression_level);

    61 /* Finalize a ZIP archive.  Adds all the footer information to the end of

    62  * the file and closes it.  Also DELETES THE ZIPFILE STRUCTURE that was

    63  * passed in.  So you never have to allocate or free a ZIPfile yourself.

    64  *

    65  * Non-zero return code means error (although usually the function will

    66  * call exit() rather than return an error--gotta fix this).

    67  */

    68 int JzipClose (ZIPfile *zipfile);

    71 #endif /* ZIP_H */

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