719 lines
21 KiB
C
719 lines
21 KiB
C
/* zip.c -- IO on .zip files using zlib
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Version 0.15 beta, Mar 19th, 1998,
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Read zip.h for more info
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "zlib.h"
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#include "zip.h"
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#ifdef STDC
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# include <stddef.h>
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# include <string.h>
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# include <stdlib.h>
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#endif
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#ifdef NO_ERRNO_H
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extern int errno;
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#else
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# include <errno.h>
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#endif
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#ifndef local
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# define local static
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#endif
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/* compile with -Dlocal if your debugger can't find static symbols */
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#ifndef VERSIONMADEBY
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# define VERSIONMADEBY (0x0) /* platform depedent */
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#endif
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#ifndef Z_BUFSIZE
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#define Z_BUFSIZE (16384)
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#endif
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#ifndef Z_MAXFILENAMEINZIP
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#define Z_MAXFILENAMEINZIP (256)
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#endif
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#ifndef ALLOC
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# define ALLOC(size) (malloc(size))
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#endif
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#ifndef TRYFREE
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# define TRYFREE(p) {if (p) free(p);}
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#endif
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/*
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#define SIZECENTRALDIRITEM (0x2e)
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#define SIZEZIPLOCALHEADER (0x1e)
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*/
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/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
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#ifndef SEEK_CUR
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#define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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#define SEEK_END 2
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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const char zip_copyright[] =
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" zip 0.15 Copyright 1998 Gilles Vollant ";
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#define SIZEDATA_INDATABLOCK (4096-(4*4))
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#define LOCALHEADERMAGIC (0x04034b50)
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#define CENTRALHEADERMAGIC (0x02014b50)
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#define ENDHEADERMAGIC (0x06054b50)
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#define FLAG_LOCALHEADER_OFFSET (0x06)
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#define CRC_LOCALHEADER_OFFSET (0x0e)
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#define SIZECENTRALHEADER (0x2e) /* 46 */
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typedef struct linkedlist_datablock_internal_s
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{
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struct linkedlist_datablock_internal_s* next_datablock;
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uLong avail_in_this_block;
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uLong filled_in_this_block;
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uLong unused; /* for future use and alignement */
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unsigned char data[SIZEDATA_INDATABLOCK];
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} linkedlist_datablock_internal;
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typedef struct linkedlist_data_s
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{
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linkedlist_datablock_internal* first_block;
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linkedlist_datablock_internal* last_block;
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} linkedlist_data;
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typedef struct
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{
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z_stream stream; /* zLib stream structure for inflate */
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int stream_initialised; /* 1 is stream is initialised */
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uInt pos_in_buffered_data; /* last written byte in buffered_data */
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uLong pos_local_header; /* offset of the local header of the file
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currenty writing */
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char* central_header; /* central header data for the current file */
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uLong size_centralheader; /* size of the central header for cur file */
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uLong flag; /* flag of the file currently writing */
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int method; /* compression method of file currenty wr.*/
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Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/
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uLong dosDate;
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uLong crc32;
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} curfile_info;
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typedef struct
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{
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FILE * filezip;
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linkedlist_data central_dir;/* datablock with central dir in construction*/
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int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/
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curfile_info ci; /* info on the file curretly writing */
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uLong begin_pos; /* position of the beginning of the zipfile */
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uLong number_entry;
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} zip_internal;
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local linkedlist_datablock_internal* allocate_new_datablock()
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{
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linkedlist_datablock_internal* ldi;
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ldi = (linkedlist_datablock_internal*)
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ALLOC(sizeof(linkedlist_datablock_internal));
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if (ldi!=NULL)
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{
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ldi->next_datablock = NULL ;
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ldi->filled_in_this_block = 0 ;
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ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ;
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}
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return ldi;
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}
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local void free_datablock(ldi)
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linkedlist_datablock_internal* ldi;
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{
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while (ldi!=NULL)
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{
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linkedlist_datablock_internal* ldinext = ldi->next_datablock;
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TRYFREE(ldi);
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ldi = ldinext;
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}
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}
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local void init_linkedlist(ll)
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linkedlist_data* ll;
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{
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ll->first_block = ll->last_block = NULL;
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}
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local void free_linkedlist(ll)
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linkedlist_data* ll;
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{
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free_datablock(ll->first_block);
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ll->first_block = ll->last_block = NULL;
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}
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local int add_data_in_datablock(ll,buf,len)
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linkedlist_data* ll;
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const void* buf;
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uLong len;
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{
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linkedlist_datablock_internal* ldi;
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const unsigned char* from_copy;
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if (ll==NULL)
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return ZIP_INTERNALERROR;
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if (ll->last_block == NULL)
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{
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ll->first_block = ll->last_block = allocate_new_datablock();
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if (ll->first_block == NULL)
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return ZIP_INTERNALERROR;
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}
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ldi = ll->last_block;
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from_copy = (unsigned char*)buf;
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while (len>0)
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{
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uInt copy_this;
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uInt i;
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unsigned char* to_copy;
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if (ldi->avail_in_this_block==0)
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{
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ldi->next_datablock = allocate_new_datablock();
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if (ldi->next_datablock == NULL)
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return ZIP_INTERNALERROR;
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ldi = ldi->next_datablock ;
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ll->last_block = ldi;
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}
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if (ldi->avail_in_this_block < len)
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copy_this = (uInt)ldi->avail_in_this_block;
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else
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copy_this = (uInt)len;
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to_copy = &(ldi->data[ldi->filled_in_this_block]);
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for (i=0;i<copy_this;i++)
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*(to_copy+i)=*(from_copy+i);
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ldi->filled_in_this_block += copy_this;
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ldi->avail_in_this_block -= copy_this;
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from_copy += copy_this ;
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len -= copy_this;
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}
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return ZIP_OK;
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}
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local int write_datablock(fout,ll)
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FILE * fout;
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linkedlist_data* ll;
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{
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linkedlist_datablock_internal* ldi;
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ldi = ll->first_block;
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while (ldi!=NULL)
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{
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if (ldi->filled_in_this_block > 0)
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if (fwrite(ldi->data,(uInt)ldi->filled_in_this_block,1,fout)!=1)
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return ZIP_ERRNO;
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ldi = ldi->next_datablock;
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}
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return ZIP_OK;
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}
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/****************************************************************************/
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/* ===========================================================================
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Outputs a long in LSB order to the given file
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nbByte == 1, 2 or 4 (byte, short or long)
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*/
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local int ziplocal_putValue OF((FILE *file, uLong x, int nbByte));
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local int ziplocal_putValue (file, x, nbByte)
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FILE *file;
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uLong x;
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int nbByte;
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{
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unsigned char buf[4];
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int n;
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for (n = 0; n < nbByte; n++) {
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buf[n] = (unsigned char)(x & 0xff);
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x >>= 8;
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}
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if (fwrite(buf,nbByte,1,file)!=1)
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return ZIP_ERRNO;
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else
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return ZIP_OK;
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}
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local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte));
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local void ziplocal_putValue_inmemory (dest, x, nbByte)
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void* dest;
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uLong x;
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int nbByte;
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{
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unsigned char* buf=(unsigned char*)dest;
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int n;
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for (n = 0; n < nbByte; n++) {
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buf[n] = (unsigned char)(x & 0xff);
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x >>= 8;
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}
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}
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/****************************************************************************/
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local uLong ziplocal_TmzDateToDosDate(ptm,dosDate)
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tm_zip* ptm;
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uLong dosDate;
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{
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uLong year = (uLong)ptm->tm_year;
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if (year>1980)
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year-=1980;
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else if (year>80)
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year-=80;
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return
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(uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) |
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((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));
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}
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/****************************************************************************/
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extern zipFile ZEXPORT zipOpen (pathname, append)
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const char *pathname;
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int append;
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{
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zip_internal ziinit;
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zip_internal* zi;
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ziinit.filezip = fopen(pathname,(append == 0) ? "wb" : "ab");
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if (ziinit.filezip == NULL)
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return NULL;
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ziinit.begin_pos = ftell(ziinit.filezip);
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ziinit.in_opened_file_inzip = 0;
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ziinit.ci.stream_initialised = 0;
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ziinit.number_entry = 0;
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init_linkedlist(&(ziinit.central_dir));
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zi = (zip_internal*)ALLOC(sizeof(zip_internal));
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if (zi==NULL)
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{
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fclose(ziinit.filezip);
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return NULL;
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}
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*zi = ziinit;
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return (zipFile)zi;
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}
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extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi,
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extrafield_local, size_extrafield_local,
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extrafield_global, size_extrafield_global,
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comment, method, level)
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zipFile file;
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const char* filename;
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const zip_fileinfo* zipfi;
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const void* extrafield_local;
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uInt size_extrafield_local;
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const void* extrafield_global;
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uInt size_extrafield_global;
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const char* comment;
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int method;
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int level;
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{
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zip_internal* zi;
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uInt size_filename;
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uInt size_comment;
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uInt i;
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int err = ZIP_OK;
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if (file == NULL)
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return ZIP_PARAMERROR;
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if ((method!=0) && (method!=Z_DEFLATED))
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return ZIP_PARAMERROR;
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zi = (zip_internal*)file;
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if (zi->in_opened_file_inzip == 1)
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{
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err = zipCloseFileInZip (file);
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if (err != ZIP_OK)
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return err;
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}
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if (filename==NULL)
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filename="-";
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if (comment==NULL)
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size_comment = 0;
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else
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size_comment = strlen(comment);
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size_filename = strlen(filename);
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if (zipfi == NULL)
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zi->ci.dosDate = 0;
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else
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{
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if (zipfi->dosDate != 0)
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zi->ci.dosDate = zipfi->dosDate;
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else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate);
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}
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zi->ci.flag = 0;
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if ((level==8) || (level==9))
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zi->ci.flag |= 2;
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if ((level==2))
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zi->ci.flag |= 4;
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if ((level==1))
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zi->ci.flag |= 6;
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zi->ci.crc32 = 0;
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zi->ci.method = method;
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zi->ci.stream_initialised = 0;
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zi->ci.pos_in_buffered_data = 0;
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zi->ci.pos_local_header = ftell(zi->filezip);
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zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename +
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size_extrafield_global + size_comment;
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zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader);
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ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4);
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/* version info */
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ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2);
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ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2);
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ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2);
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ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2);
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ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4);
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ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/
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ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/
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ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/
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ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2);
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ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2);
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ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2);
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ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/
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if (zipfi==NULL)
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ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2);
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else
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ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2);
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if (zipfi==NULL)
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ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4);
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else
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ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4);
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ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header,4);
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for (i=0;i<size_filename;i++)
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*(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i);
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for (i=0;i<size_extrafield_global;i++)
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*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) =
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*(((const char*)extrafield_global)+i);
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for (i=0;i<size_comment;i++)
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*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+
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size_extrafield_global+i) = *(filename+i);
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if (zi->ci.central_header == NULL)
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return ZIP_INTERNALERROR;
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/* write the local header */
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err = ziplocal_putValue(zi->filezip,(uLong)LOCALHEADERMAGIC,4);
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)20,2);/* version needed to extract */
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.flag,2);
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.method,2);
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.dosDate,4);
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* crc 32, unknown */
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* compressed size, unknown */
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* uncompressed size, unknown */
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)size_filename,2);
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if (err==ZIP_OK)
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err = ziplocal_putValue(zi->filezip,(uLong)size_extrafield_local,2);
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if ((err==ZIP_OK) && (size_filename>0))
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if (fwrite(filename,(uInt)size_filename,1,zi->filezip)!=1)
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err = ZIP_ERRNO;
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if ((err==ZIP_OK) && (size_extrafield_local>0))
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if (fwrite(extrafield_local,(uInt)size_extrafield_local,1,zi->filezip)
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!=1)
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err = ZIP_ERRNO;
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zi->ci.stream.avail_in = (uInt)0;
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zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
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zi->ci.stream.next_out = zi->ci.buffered_data;
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zi->ci.stream.total_in = 0;
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zi->ci.stream.total_out = 0;
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if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED))
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{
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zi->ci.stream.zalloc = (alloc_func)0;
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zi->ci.stream.zfree = (free_func)0;
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zi->ci.stream.opaque = (voidpf)0;
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err = deflateInit2(&zi->ci.stream, level,
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Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, 0);
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if (err==Z_OK)
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zi->ci.stream_initialised = 1;
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}
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if (err==Z_OK)
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zi->in_opened_file_inzip = 1;
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return err;
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}
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|
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extern int ZEXPORT zipWriteInFileInZip (file, buf, len)
|
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zipFile file;
|
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const voidp buf;
|
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unsigned len;
|
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{
|
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zip_internal* zi;
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int err=ZIP_OK;
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|
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if (file == NULL)
|
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return ZIP_PARAMERROR;
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zi = (zip_internal*)file;
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|
|
if (zi->in_opened_file_inzip == 0)
|
|
return ZIP_PARAMERROR;
|
|
|
|
zi->ci.stream.next_in = buf;
|
|
zi->ci.stream.avail_in = len;
|
|
zi->ci.crc32 = crc32(zi->ci.crc32,buf,len);
|
|
|
|
while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0))
|
|
{
|
|
if (zi->ci.stream.avail_out == 0)
|
|
{
|
|
if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
|
|
!=1)
|
|
err = ZIP_ERRNO;
|
|
zi->ci.pos_in_buffered_data = 0;
|
|
zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
|
|
zi->ci.stream.next_out = zi->ci.buffered_data;
|
|
}
|
|
|
|
if (zi->ci.method == Z_DEFLATED)
|
|
{
|
|
uLong uTotalOutBefore = zi->ci.stream.total_out;
|
|
err=deflate(&zi->ci.stream, Z_NO_FLUSH);
|
|
zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
|
|
|
|
}
|
|
else
|
|
{
|
|
uInt copy_this,i;
|
|
if (zi->ci.stream.avail_in < zi->ci.stream.avail_out)
|
|
copy_this = zi->ci.stream.avail_in;
|
|
else
|
|
copy_this = zi->ci.stream.avail_out;
|
|
for (i=0;i<copy_this;i++)
|
|
*(((char*)zi->ci.stream.next_out)+i) =
|
|
*(((const char*)zi->ci.stream.next_in)+i);
|
|
{
|
|
zi->ci.stream.avail_in -= copy_this;
|
|
zi->ci.stream.avail_out-= copy_this;
|
|
zi->ci.stream.next_in+= copy_this;
|
|
zi->ci.stream.next_out+= copy_this;
|
|
zi->ci.stream.total_in+= copy_this;
|
|
zi->ci.stream.total_out+= copy_this;
|
|
zi->ci.pos_in_buffered_data += copy_this;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
extern int ZEXPORT zipCloseFileInZip (file)
|
|
zipFile file;
|
|
{
|
|
zip_internal* zi;
|
|
int err=ZIP_OK;
|
|
|
|
if (file == NULL)
|
|
return ZIP_PARAMERROR;
|
|
zi = (zip_internal*)file;
|
|
|
|
if (zi->in_opened_file_inzip == 0)
|
|
return ZIP_PARAMERROR;
|
|
zi->ci.stream.avail_in = 0;
|
|
|
|
if (zi->ci.method == Z_DEFLATED)
|
|
while (err==ZIP_OK)
|
|
{
|
|
uLong uTotalOutBefore;
|
|
if (zi->ci.stream.avail_out == 0)
|
|
{
|
|
if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
|
|
!=1)
|
|
err = ZIP_ERRNO;
|
|
zi->ci.pos_in_buffered_data = 0;
|
|
zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
|
|
zi->ci.stream.next_out = zi->ci.buffered_data;
|
|
}
|
|
uTotalOutBefore = zi->ci.stream.total_out;
|
|
err=deflate(&zi->ci.stream, Z_FINISH);
|
|
zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
|
|
}
|
|
|
|
if (err==Z_STREAM_END)
|
|
err=ZIP_OK; /* this is normal */
|
|
|
|
if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))
|
|
if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
|
|
!=1)
|
|
err = ZIP_ERRNO;
|
|
|
|
if ((zi->ci.method == Z_DEFLATED) && (err==ZIP_OK))
|
|
{
|
|
err=deflateEnd(&zi->ci.stream);
|
|
zi->ci.stream_initialised = 0;
|
|
}
|
|
|
|
ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)zi->ci.crc32,4); /*crc*/
|
|
ziplocal_putValue_inmemory(zi->ci.central_header+20,
|
|
(uLong)zi->ci.stream.total_out,4); /*compr size*/
|
|
ziplocal_putValue_inmemory(zi->ci.central_header+24,
|
|
(uLong)zi->ci.stream.total_in,4); /*uncompr size*/
|
|
|
|
if (err==ZIP_OK)
|
|
err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header,
|
|
(uLong)zi->ci.size_centralheader);
|
|
free(zi->ci.central_header);
|
|
|
|
if (err==ZIP_OK)
|
|
{
|
|
long cur_pos_inzip = ftell(zi->filezip);
|
|
if (fseek(zi->filezip,
|
|
zi->ci.pos_local_header + 14,SEEK_SET)!=0)
|
|
err = ZIP_ERRNO;
|
|
|
|
if (err==ZIP_OK)
|
|
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.crc32,4); /* crc 32, unknown */
|
|
|
|
if (err==ZIP_OK) /* compressed size, unknown */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.stream.total_out,4);
|
|
|
|
if (err==ZIP_OK) /* uncompressed size, unknown */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.stream.total_in,4);
|
|
|
|
if (fseek(zi->filezip,
|
|
cur_pos_inzip,SEEK_SET)!=0)
|
|
err = ZIP_ERRNO;
|
|
}
|
|
|
|
zi->number_entry ++;
|
|
zi->in_opened_file_inzip = 0;
|
|
|
|
return err;
|
|
}
|
|
|
|
extern int ZEXPORT zipClose (file, global_comment)
|
|
zipFile file;
|
|
const char* global_comment;
|
|
{
|
|
zip_internal* zi;
|
|
int err = 0;
|
|
uLong size_centraldir = 0;
|
|
uLong centraldir_pos_inzip ;
|
|
uInt size_global_comment;
|
|
if (file == NULL)
|
|
return ZIP_PARAMERROR;
|
|
zi = (zip_internal*)file;
|
|
|
|
if (zi->in_opened_file_inzip == 1)
|
|
{
|
|
err = zipCloseFileInZip (file);
|
|
}
|
|
|
|
if (global_comment==NULL)
|
|
size_global_comment = 0;
|
|
else
|
|
size_global_comment = strlen(global_comment);
|
|
|
|
|
|
centraldir_pos_inzip = ftell(zi->filezip);
|
|
if (err==ZIP_OK)
|
|
{
|
|
linkedlist_datablock_internal* ldi = zi->central_dir.first_block ;
|
|
while (ldi!=NULL)
|
|
{
|
|
if ((err==ZIP_OK) && (ldi->filled_in_this_block>0))
|
|
if (fwrite(ldi->data,(uInt)ldi->filled_in_this_block,
|
|
1,zi->filezip) !=1 )
|
|
err = ZIP_ERRNO;
|
|
|
|
size_centraldir += ldi->filled_in_this_block;
|
|
ldi = ldi->next_datablock;
|
|
}
|
|
}
|
|
free_datablock(zi->central_dir.first_block);
|
|
|
|
if (err==ZIP_OK) /* Magic End */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)ENDHEADERMAGIC,4);
|
|
|
|
if (err==ZIP_OK) /* number of this disk */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)0,2);
|
|
|
|
if (err==ZIP_OK) /* number of the disk with the start of the central directory */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)0,2);
|
|
|
|
if (err==ZIP_OK) /* total number of entries in the central dir on this disk */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)zi->number_entry,2);
|
|
|
|
if (err==ZIP_OK) /* total number of entries in the central dir */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)zi->number_entry,2);
|
|
|
|
if (err==ZIP_OK) /* size of the central directory */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)size_centraldir,4);
|
|
|
|
if (err==ZIP_OK) /* offset of start of central directory with respect to the
|
|
starting disk number */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)centraldir_pos_inzip ,4);
|
|
|
|
if (err==ZIP_OK) /* zipfile comment length */
|
|
err = ziplocal_putValue(zi->filezip,(uLong)size_global_comment,2);
|
|
|
|
if ((err==ZIP_OK) && (size_global_comment>0))
|
|
if (fwrite(global_comment,(uInt)size_global_comment,1,zi->filezip) !=1 )
|
|
err = ZIP_ERRNO;
|
|
fclose(zi->filezip);
|
|
TRYFREE(zi);
|
|
|
|
return err;
|
|
}
|