-/* zip.c -- IO on .zip files using zlib
- Version 0.15 beta, Mar 19th, 1998,
+/* zip.c -- IO on .zip files using zlib
+ Version 1.01e, February 12th, 2005
+
+ 27 Dec 2004 Rolf Kalbermatter
+ Modification to zipOpen2 to support globalComment retrieval.
+
+ Copyright (C) 1998-2005 Gilles Vollant
Read zip.h for more info
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <time.h>
#include "zlib.h"
#include "zip.h"
#define SEEK_SET 0
#endif
+#ifndef DEF_MEM_LEVEL
+#if MAX_MEM_LEVEL >= 8
+# define DEF_MEM_LEVEL 8
+#else
+# define DEF_MEM_LEVEL MAX_MEM_LEVEL
+#endif
+#endif
const char zip_copyright[] =
- " zip 0.15 Copyright 1998 Gilles Vollant ";
+ " zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";
#define SIZEDATA_INDATABLOCK (4096-(4*4))
typedef struct
{
- z_stream stream; /* zLib stream structure for inflate */
+ z_stream stream; /* zLib stream structure for inflate */
int stream_initialised; /* 1 is stream is initialised */
uInt pos_in_buffered_data; /* last written byte in buffered_data */
- uLong pos_local_header; /* offset of the local header of the file
+ uLong pos_local_header; /* offset of the local header of the file
currenty writing */
char* central_header; /* central header data for the current file */
uLong size_centralheader; /* size of the central header for cur file */
uLong flag; /* flag of the file currently writing */
int method; /* compression method of file currenty wr.*/
+ int raw; /* 1 for directly writing raw data */
Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/
uLong dosDate;
uLong crc32;
+ int encrypt;
+#ifndef NOCRYPT
+ unsigned long keys[3]; /* keys defining the pseudo-random sequence */
+ const unsigned long* pcrc_32_tab;
+ int crypt_header_size;
+#endif
} curfile_info;
typedef struct
{
- FILE * filezip;
+ zlib_filefunc_def z_filefunc;
+ voidpf filestream; /* io structore of the zipfile */
linkedlist_data central_dir;/* datablock with central dir in construction*/
int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/
curfile_info ci; /* info on the file curretly writing */
uLong begin_pos; /* position of the beginning of the zipfile */
+ uLong add_position_when_writting_offset;
uLong number_entry;
+#ifndef NO_ADDFILEINEXISTINGZIP
+ char *globalcomment;
+#endif
} zip_internal;
+
+
+#ifndef NOCRYPT
+#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED
+#include "crypt.h"
+#endif
+
local linkedlist_datablock_internal* allocate_new_datablock()
{
linkedlist_datablock_internal* ldi;
local int add_data_in_datablock(ll,buf,len)
- linkedlist_data* ll;
+ linkedlist_data* ll;
const void* buf;
uLong len;
{
}
-local int write_datablock(fout,ll)
- FILE * fout;
- linkedlist_data* ll;
-{
- linkedlist_datablock_internal* ldi;
- ldi = ll->first_block;
- while (ldi!=NULL)
- {
- if (ldi->filled_in_this_block > 0)
- if (fwrite(ldi->data,(uInt)ldi->filled_in_this_block,1,fout)!=1)
- return ZIP_ERRNO;
- ldi = ldi->next_datablock;
- }
- return ZIP_OK;
-}
/****************************************************************************/
+#ifndef NO_ADDFILEINEXISTINGZIP
/* ===========================================================================
- Outputs a long in LSB order to the given file
+ Inputs a long in LSB order to the given file
nbByte == 1, 2 or 4 (byte, short or long)
*/
-local int ziplocal_putValue OF((FILE *file, uLong x, int nbByte));
-local int ziplocal_putValue (file, x, nbByte)
- FILE *file;
+local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def,
+ voidpf filestream, uLong x, int nbByte));
+local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte)
+ const zlib_filefunc_def* pzlib_filefunc_def;
+ voidpf filestream;
uLong x;
int nbByte;
{
unsigned char buf[4];
int n;
- for (n = 0; n < nbByte; n++) {
+ for (n = 0; n < nbByte; n++)
+ {
buf[n] = (unsigned char)(x & 0xff);
x >>= 8;
}
- if (fwrite(buf,nbByte,1,file)!=1)
+ if (x != 0)
+ { /* data overflow - hack for ZIP64 (X Roche) */
+ for (n = 0; n < nbByte; n++)
+ {
+ buf[n] = 0xff;
+ }
+ }
+
+ if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte)
return ZIP_ERRNO;
else
return ZIP_OK;
buf[n] = (unsigned char)(x & 0xff);
x >>= 8;
}
+
+ if (x != 0)
+ { /* data overflow - hack for ZIP64 */
+ for (n = 0; n < nbByte; n++)
+ {
+ buf[n] = 0xff;
+ }
+ }
}
+
/****************************************************************************/
local uLong ziplocal_TmzDateToDosDate(ptm,dosDate)
- tm_zip* ptm;
+ const tm_zip* ptm;
uLong dosDate;
{
uLong year = (uLong)ptm->tm_year;
/****************************************************************************/
-extern zipFile ZEXPORT zipOpen (pathname, append)
+local int ziplocal_getByte OF((
+ const zlib_filefunc_def* pzlib_filefunc_def,
+ voidpf filestream,
+ int *pi));
+
+local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi)
+ const zlib_filefunc_def* pzlib_filefunc_def;
+ voidpf filestream;
+ int *pi;
+{
+ unsigned char c;
+ int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);
+ if (err==1)
+ {
+ *pi = (int)c;
+ return ZIP_OK;
+ }
+ else
+ {
+ if (ZERROR(*pzlib_filefunc_def,filestream))
+ return ZIP_ERRNO;
+ else
+ return ZIP_EOF;
+ }
+}
+
+
+/* ===========================================================================
+ Reads a long in LSB order from the given gz_stream. Sets
+*/
+local int ziplocal_getShort OF((
+ const zlib_filefunc_def* pzlib_filefunc_def,
+ voidpf filestream,
+ uLong *pX));
+
+local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX)
+ const zlib_filefunc_def* pzlib_filefunc_def;
+ voidpf filestream;
+ uLong *pX;
+{
+ uLong x ;
+ int i;
+ int err;
+
+ err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
+ x = (uLong)i;
+
+ if (err==ZIP_OK)
+ err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
+ x += ((uLong)i)<<8;
+
+ if (err==ZIP_OK)
+ *pX = x;
+ else
+ *pX = 0;
+ return err;
+}
+
+local int ziplocal_getLong OF((
+ const zlib_filefunc_def* pzlib_filefunc_def,
+ voidpf filestream,
+ uLong *pX));
+
+local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX)
+ const zlib_filefunc_def* pzlib_filefunc_def;
+ voidpf filestream;
+ uLong *pX;
+{
+ uLong x ;
+ int i;
+ int err;
+
+ err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
+ x = (uLong)i;
+
+ if (err==ZIP_OK)
+ err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
+ x += ((uLong)i)<<8;
+
+ if (err==ZIP_OK)
+ err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
+ x += ((uLong)i)<<16;
+
+ if (err==ZIP_OK)
+ err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
+ x += ((uLong)i)<<24;
+
+ if (err==ZIP_OK)
+ *pX = x;
+ else
+ *pX = 0;
+ return err;
+}
+
+#ifndef BUFREADCOMMENT
+#define BUFREADCOMMENT (0x400)
+#endif
+/*
+ Locate the Central directory of a zipfile (at the end, just before
+ the global comment)
+*/
+local uLong ziplocal_SearchCentralDir OF((
+ const zlib_filefunc_def* pzlib_filefunc_def,
+ voidpf filestream));
+
+local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream)
+ const zlib_filefunc_def* pzlib_filefunc_def;
+ voidpf filestream;
+{
+ unsigned char* buf;
+ uLong uSizeFile;
+ uLong uBackRead;
+ uLong uMaxBack=0xffff; /* maximum size of global comment */
+ uLong uPosFound=0;
+
+ if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)
+ return 0;
+
+
+ uSizeFile = ZTELL(*pzlib_filefunc_def,filestream);
+
+ if (uMaxBack>uSizeFile)
+ uMaxBack = uSizeFile;
+
+ buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
+ if (buf==NULL)
+ return 0;
+
+ uBackRead = 4;
+ while (uBackRead<uMaxBack)
+ {
+ uLong uReadSize,uReadPos ;
+ int i;
+ if (uBackRead+BUFREADCOMMENT>uMaxBack)
+ uBackRead = uMaxBack;
+ else
+ uBackRead+=BUFREADCOMMENT;
+ uReadPos = uSizeFile-uBackRead ;
+
+ uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
+ (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
+ if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)
+ break;
+
+ if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)
+ break;
+
+ for (i=(int)uReadSize-3; (i--)>0;)
+ if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
+ ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
+ {
+ uPosFound = uReadPos+i;
+ break;
+ }
+
+ if (uPosFound!=0)
+ break;
+ }
+ TRYFREE(buf);
+ return uPosFound;
+}
+#endif /* !NO_ADDFILEINEXISTINGZIP*/
+
+/************************************************************/
+extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def)
const char *pathname;
int append;
+ zipcharpc* globalcomment;
+ zlib_filefunc_def* pzlib_filefunc_def;
{
zip_internal ziinit;
zip_internal* zi;
+ int err=ZIP_OK;
- ziinit.filezip = fopen(pathname,(append == 0) ? "wb" : "ab");
- if (ziinit.filezip == NULL)
+
+ if (pzlib_filefunc_def==NULL)
+ fill_fopen_filefunc(&ziinit.z_filefunc);
+ else
+ ziinit.z_filefunc = *pzlib_filefunc_def;
+
+ ziinit.filestream = (*(ziinit.z_filefunc.zopen_file))
+ (ziinit.z_filefunc.opaque,
+ pathname,
+ (append == APPEND_STATUS_CREATE) ?
+ (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) :
+ (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING));
+
+ if (ziinit.filestream == NULL)
return NULL;
- ziinit.begin_pos = ftell(ziinit.filezip);
+ ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream);
ziinit.in_opened_file_inzip = 0;
ziinit.ci.stream_initialised = 0;
ziinit.number_entry = 0;
+ ziinit.add_position_when_writting_offset = 0;
init_linkedlist(&(ziinit.central_dir));
zi = (zip_internal*)ALLOC(sizeof(zip_internal));
if (zi==NULL)
{
- fclose(ziinit.filezip);
+ ZCLOSE(ziinit.z_filefunc,ziinit.filestream);
return NULL;
}
- *zi = ziinit;
- return (zipFile)zi;
+ /* now we add file in a zipfile */
+# ifndef NO_ADDFILEINEXISTINGZIP
+ ziinit.globalcomment = NULL;
+ if (append == APPEND_STATUS_ADDINZIP)
+ {
+ uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
+
+ uLong size_central_dir; /* size of the central directory */
+ uLong offset_central_dir; /* offset of start of central directory */
+ uLong central_pos,uL;
+
+ uLong number_disk; /* number of the current dist, used for
+ spaning ZIP, unsupported, always 0*/
+ uLong number_disk_with_CD; /* number the the disk with central dir, used
+ for spaning ZIP, unsupported, always 0*/
+ uLong number_entry;
+ uLong number_entry_CD; /* total number of entries in
+ the central dir
+ (same than number_entry on nospan) */
+ uLong size_comment;
+
+ central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream);
+ if (central_pos==0)
+ err=ZIP_ERRNO;
+
+ if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
+ central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)
+ err=ZIP_ERRNO;
+
+ /* the signature, already checked */
+ if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK)
+ err=ZIP_ERRNO;
+
+ /* number of this disk */
+ if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK)
+ err=ZIP_ERRNO;
+
+ /* number of the disk with the start of the central directory */
+ if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK)
+ err=ZIP_ERRNO;
+
+ /* total number of entries in the central dir on this disk */
+ if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK)
+ err=ZIP_ERRNO;
+
+ /* total number of entries in the central dir */
+ if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK)
+ err=ZIP_ERRNO;
+
+ if ((number_entry_CD!=number_entry) ||
+ (number_disk_with_CD!=0) ||
+ (number_disk!=0))
+ err=ZIP_BADZIPFILE;
+
+ /* size of the central directory */
+ if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK)
+ err=ZIP_ERRNO;
+
+ /* offset of start of central directory with respect to the
+ starting disk number */
+ if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK)
+ err=ZIP_ERRNO;
+
+ /* zipfile global comment length */
+ if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK)
+ err=ZIP_ERRNO;
+
+ if ((central_pos<offset_central_dir+size_central_dir) &&
+ (err==ZIP_OK))
+ err=ZIP_BADZIPFILE;
+
+ if (err!=ZIP_OK)
+ {
+ ZCLOSE(ziinit.z_filefunc, ziinit.filestream);
+ return NULL;
+ }
+
+ if (size_comment>0)
+ {
+ ziinit.globalcomment = ALLOC(size_comment+1);
+ if (ziinit.globalcomment)
+ {
+ size_comment = ZREAD(ziinit.z_filefunc, ziinit.filestream,ziinit.globalcomment,size_comment);
+ ziinit.globalcomment[size_comment]=0;
+ }
+ }
+
+ byte_before_the_zipfile = central_pos -
+ (offset_central_dir+size_central_dir);
+ ziinit.add_position_when_writting_offset = byte_before_the_zipfile;
+
+ {
+ uLong size_central_dir_to_read = size_central_dir;
+ size_t buf_size = SIZEDATA_INDATABLOCK;
+ void* buf_read = (void*)ALLOC(buf_size);
+ if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
+ offset_central_dir + byte_before_the_zipfile,
+ ZLIB_FILEFUNC_SEEK_SET) != 0)
+ err=ZIP_ERRNO;
+
+ while ((size_central_dir_to_read>0) && (err==ZIP_OK))
+ {
+ uLong read_this = SIZEDATA_INDATABLOCK;
+ if (read_this > size_central_dir_to_read)
+ read_this = size_central_dir_to_read;
+ if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this)
+ err=ZIP_ERRNO;
+
+ if (err==ZIP_OK)
+ err = add_data_in_datablock(&ziinit.central_dir,buf_read,
+ (uLong)read_this);
+ size_central_dir_to_read-=read_this;
+ }
+ TRYFREE(buf_read);
+ }
+ ziinit.begin_pos = byte_before_the_zipfile;
+ ziinit.number_entry = number_entry_CD;
+
+ if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
+ offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0)
+ err=ZIP_ERRNO;
+ }
+
+ if (globalcomment)
+ {
+ *globalcomment = ziinit.globalcomment;
+ }
+# endif /* !NO_ADDFILEINEXISTINGZIP*/
+
+ if (err != ZIP_OK)
+ {
+# ifndef NO_ADDFILEINEXISTINGZIP
+ TRYFREE(ziinit.globalcomment);
+# endif /* !NO_ADDFILEINEXISTINGZIP*/
+ TRYFREE(zi);
+ return NULL;
+ }
+ else
+ {
+ *zi = ziinit;
+ return (zipFile)zi;
+ }
}
-extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi,
- extrafield_local, size_extrafield_local,
- extrafield_global, size_extrafield_global,
- comment, method, level)
+extern zipFile ZEXPORT zipOpen (pathname, append)
+ const char *pathname;
+ int append;
+{
+ return zipOpen2(pathname,append,NULL,NULL);
+}
+
+extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi,
+ extrafield_local, size_extrafield_local,
+ extrafield_global, size_extrafield_global,
+ comment, method, level, raw,
+ windowBits, memLevel, strategy,
+ password, crcForCrypting)
zipFile file;
const char* filename;
const zip_fileinfo* zipfi;
const char* comment;
int method;
int level;
+ int raw;
+ int windowBits;
+ int memLevel;
+ int strategy;
+ const char* password;
+ uLong crcForCrypting;
{
zip_internal* zi;
uInt size_filename;
uInt i;
int err = ZIP_OK;
+# ifdef NOCRYPT
+ if (password != NULL)
+ return ZIP_PARAMERROR;
+# endif
+
if (file == NULL)
return ZIP_PARAMERROR;
if ((method!=0) && (method!=Z_DEFLATED))
if (comment==NULL)
size_comment = 0;
else
- size_comment = strlen(comment);
+ size_comment = (uInt)strlen(comment);
- size_filename = strlen(filename);
+ size_filename = (uInt)strlen(filename);
if (zipfi == NULL)
zi->ci.dosDate = 0;
zi->ci.flag |= 4;
if ((level==1))
zi->ci.flag |= 6;
+ if (password != NULL)
+ zi->ci.flag |= 1;
zi->ci.crc32 = 0;
zi->ci.method = method;
+ zi->ci.encrypt = 0;
zi->ci.stream_initialised = 0;
zi->ci.pos_in_buffered_data = 0;
- zi->ci.pos_local_header = ftell(zi->filezip);
- zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename +
+ zi->ci.raw = raw;
+ zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ;
+ zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename +
size_extrafield_global + size_comment;
zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader);
ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/
if (zipfi==NULL)
- ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2);
+ ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2);
else
- ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2);
+ ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2);
if (zipfi==NULL)
- ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4);
+ ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4);
else
ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4);
- ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header,4);
+ ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4);
for (i=0;i<size_filename;i++)
*(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i);
for (i=0;i<size_comment;i++)
*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+
- size_extrafield_global+i) = *(filename+i);
+ size_extrafield_global+i) = *(comment+i);
if (zi->ci.central_header == NULL)
return ZIP_INTERNALERROR;
/* write the local header */
- err = ziplocal_putValue(zi->filezip,(uLong)LOCALHEADERMAGIC,4);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4);
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)20,2);/* version needed to extract */
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.flag,2);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2);
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.method,2);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2);
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.dosDate,4);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4);
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* crc 32, unknown */
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* compressed size, unknown */
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)0,4); /* uncompressed size, unknown */
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)size_filename,2);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2);
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)size_extrafield_local,2);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2);
if ((err==ZIP_OK) && (size_filename>0))
- if (fwrite(filename,(uInt)size_filename,1,zi->filezip)!=1)
+ if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename)
err = ZIP_ERRNO;
if ((err==ZIP_OK) && (size_extrafield_local>0))
- if (fwrite(extrafield_local,(uInt)size_extrafield_local,1,zi->filezip)
- !=1)
+ if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local)
+ !=size_extrafield_local)
err = ZIP_ERRNO;
zi->ci.stream.avail_in = (uInt)0;
zi->ci.stream.total_in = 0;
zi->ci.stream.total_out = 0;
- if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED))
+ if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
{
zi->ci.stream.zalloc = (alloc_func)0;
zi->ci.stream.zfree = (free_func)0;
zi->ci.stream.opaque = (voidpf)0;
+ if (windowBits>0)
+ windowBits = -windowBits;
+
err = deflateInit2(&zi->ci.stream, level,
- Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, 0);
+ Z_DEFLATED, windowBits, memLevel, strategy);
if (err==Z_OK)
zi->ci.stream_initialised = 1;
}
+# ifndef NOCRYPT
+ zi->ci.crypt_header_size = 0;
+ if ((err==Z_OK) && (password != NULL))
+ {
+ unsigned char bufHead[RAND_HEAD_LEN];
+ unsigned int sizeHead;
+ zi->ci.encrypt = 1;
+ zi->ci.pcrc_32_tab = get_crc_table();
+ /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/
+ sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting);
+ zi->ci.crypt_header_size = sizeHead;
+
+ if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead)
+ err = ZIP_ERRNO;
+ }
+# endif
if (err==Z_OK)
zi->in_opened_file_inzip = 1;
return err;
}
+extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi,
+ extrafield_local, size_extrafield_local,
+ extrafield_global, size_extrafield_global,
+ comment, method, level, raw)
+ zipFile file;
+ const char* filename;
+ const zip_fileinfo* zipfi;
+ const void* extrafield_local;
+ uInt size_extrafield_local;
+ const void* extrafield_global;
+ uInt size_extrafield_global;
+ const char* comment;
+ int method;
+ int level;
+ int raw;
+{
+ return zipOpenNewFileInZip3 (file, filename, zipfi,
+ extrafield_local, size_extrafield_local,
+ extrafield_global, size_extrafield_global,
+ comment, method, level, raw,
+ -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
+ NULL, 0);
+}
+
+extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi,
+ extrafield_local, size_extrafield_local,
+ extrafield_global, size_extrafield_global,
+ comment, method, level)
+ zipFile file;
+ const char* filename;
+ const zip_fileinfo* zipfi;
+ const void* extrafield_local;
+ uInt size_extrafield_local;
+ const void* extrafield_global;
+ uInt size_extrafield_global;
+ const char* comment;
+ int method;
+ int level;
+{
+ return zipOpenNewFileInZip2 (file, filename, zipfi,
+ extrafield_local, size_extrafield_local,
+ extrafield_global, size_extrafield_global,
+ comment, method, level, 0);
+}
+
+local int zipFlushWriteBuffer(zi)
+ zip_internal* zi;
+{
+ int err=ZIP_OK;
+
+ if (zi->ci.encrypt != 0)
+ {
+#ifndef NOCRYPT
+ uInt i;
+ int t;
+ for (i=0;i<zi->ci.pos_in_buffered_data;i++)
+ zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab,
+ zi->ci.buffered_data[i],t);
+#endif
+ }
+ if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data)
+ !=zi->ci.pos_in_buffered_data)
+ err = ZIP_ERRNO;
+ zi->ci.pos_in_buffered_data = 0;
+ return err;
+}
+
extern int ZEXPORT zipWriteInFileInZip (file, buf, len)
zipFile file;
- const voidp buf;
+ const void* buf;
unsigned len;
{
zip_internal* zi;
if (zi->in_opened_file_inzip == 0)
return ZIP_PARAMERROR;
- zi->ci.stream.next_in = buf;
+ zi->ci.stream.next_in = (void*)buf;
zi->ci.stream.avail_in = len;
zi->ci.crc32 = crc32(zi->ci.crc32,buf,len);
{
if (zi->ci.stream.avail_out == 0)
{
- if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
- !=1)
+ if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
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)
+
+ if(err != ZIP_OK)
+ break;
+
+ if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
{
uLong uTotalOutBefore = zi->ci.stream.total_out;
err=deflate(&zi->ci.stream, Z_NO_FLUSH);
}
}
- return 0;
+ return err;
}
-extern int ZEXPORT zipCloseFileInZip (file)
+extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32)
zipFile file;
+ uLong uncompressed_size;
+ uLong crc32;
{
zip_internal* zi;
+ uLong compressed_size;
int err=ZIP_OK;
if (file == NULL)
return ZIP_PARAMERROR;
zi = (zip_internal*)file;
- if (zi->in_opened_file_inzip == 0)
+ if (zi->in_opened_file_inzip == 0)
return ZIP_PARAMERROR;
zi->ci.stream.avail_in = 0;
-
- if (zi->ci.method == Z_DEFLATED)
+
+ if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
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)
+ if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
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;
}
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)
+ if (zipFlushWriteBuffer(zi)==ZIP_ERRNO)
err = ZIP_ERRNO;
- if ((zi->ci.method == Z_DEFLATED) && (err==ZIP_OK))
+ if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
{
err=deflateEnd(&zi->ci.stream);
zi->ci.stream_initialised = 0;
}
- ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)zi->ci.crc32,4); /*crc*/
+ if (!zi->ci.raw)
+ {
+ crc32 = (uLong)zi->ci.crc32;
+ uncompressed_size = (uLong)zi->ci.stream.total_in;
+ }
+ compressed_size = (uLong)zi->ci.stream.total_out;
+# ifndef NOCRYPT
+ compressed_size += zi->ci.crypt_header_size;
+# endif
+
+ ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/
ziplocal_putValue_inmemory(zi->ci.central_header+20,
- (uLong)zi->ci.stream.total_out,4); /*compr size*/
+ compressed_size,4); /*compr size*/
+ if (zi->ci.stream.data_type == Z_ASCII)
+ ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2);
ziplocal_putValue_inmemory(zi->ci.central_header+24,
- (uLong)zi->ci.stream.total_in,4); /*uncompr size*/
+ uncompressed_size,4); /*uncompr size*/
if (err==ZIP_OK)
err = add_data_in_datablock(&zi->central_dir,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;
+ long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
+ if (ZSEEK(zi->z_filefunc,zi->filestream,
+ zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0)
+ err = ZIP_ERRNO;
if (err==ZIP_OK)
- err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.crc32,4); /* crc 32, unknown */
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */
if (err==ZIP_OK) /* compressed size, unknown */
- err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.stream.total_out,4);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4);
if (err==ZIP_OK) /* uncompressed size, unknown */
- err = ziplocal_putValue(zi->filezip,(uLong)zi->ci.stream.total_in,4);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4);
- if (fseek(zi->filezip,
- cur_pos_inzip,SEEK_SET)!=0)
- err = ZIP_ERRNO;
+ if (ZSEEK(zi->z_filefunc,zi->filestream,
+ cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0)
+ err = ZIP_ERRNO;
}
zi->number_entry ++;
return err;
}
+extern int ZEXPORT zipCloseFileInZip (file)
+ zipFile file;
+{
+ return zipCloseFileInZipRaw (file,0,0);
+}
+
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 ;
+ uLong centraldir_pos_inzip;
uInt size_global_comment;
if (file == NULL)
return ZIP_PARAMERROR;
err = zipCloseFileInZip (file);
}
+#ifndef NO_ADDFILEINEXISTINGZIP
+ if (global_comment==NULL)
+ global_comment = zi->globalcomment;
+#endif
if (global_comment==NULL)
size_global_comment = 0;
else
- size_global_comment = strlen(global_comment);
-
+ size_global_comment = (uInt)strlen(global_comment);
- centraldir_pos_inzip = ftell(zi->filezip);
+ centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
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 )
+ if (ZWRITE(zi->z_filefunc,zi->filestream,
+ ldi->data,ldi->filled_in_this_block)
+ !=ldi->filled_in_this_block )
err = ZIP_ERRNO;
size_centraldir += ldi->filled_in_this_block;
free_datablock(zi->central_dir.first_block);
if (err==ZIP_OK) /* Magic End */
- err = ziplocal_putValue(zi->filezip,(uLong)ENDHEADERMAGIC,4);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4);
if (err==ZIP_OK) /* number of this disk */
- err = ziplocal_putValue(zi->filezip,(uLong)0,2);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(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);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(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);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(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);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);
if (err==ZIP_OK) /* size of the central directory */
- err = ziplocal_putValue(zi->filezip,(uLong)size_centraldir,4);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(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) /* offset of start of central directory with respect to the
+ starting disk number */
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,
+ (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);
if (err==ZIP_OK) /* zipfile comment length */
- err = ziplocal_putValue(zi->filezip,(uLong)size_global_comment,2);
+ err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(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 )
+ if (ZWRITE(zi->z_filefunc,zi->filestream,
+ global_comment,size_global_comment) != size_global_comment)
err = ZIP_ERRNO;
- fclose(zi->filezip);
+
+ if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0)
+ if (err == ZIP_OK)
+ err = ZIP_ERRNO;
+
+#ifndef NO_ADDFILEINEXISTINGZIP
+ TRYFREE(zi->globalcomment);
+#endif
TRYFREE(zi);
return err;
projects / msp430-gcc.git / blobdiff