extern int ZEXPORT zipCloseFileInZipRaw (
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)
return ZIP_PARAMERROR;
zi->ci.stream.avail_in = 0;
if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
while (err==ZIP_OK)
{
uLong uTotalOutBefore;
if (zi->ci.stream.avail_out == 0)
{
if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
err = ZIP_ERRNO;
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 (zipFlushWriteBuffer(zi)==ZIP_ERRNO)
err = ZIP_ERRNO;
if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
{
err=deflateEnd(&zi->ci.stream);
zi->ci.stream_initialised = 0;
}
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,
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,
uncompressed_size,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 = 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->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */
if (err==ZIP_OK) /* compressed size, unknown */
err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4);
if (err==ZIP_OK) /* uncompressed size, unknown */
err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4);
if (ZSEEK(zi->z_filefunc,zi->filestream,
cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0)
err = ZIP_ERRNO;
}
zi->number_entry ++;
zi->in_opened_file_inzip = 0;
return err;
}
extern MINIZIP_EXPORT zipFile zipOpen2 (const char *pathname,int append,zipcharpc* globalcomment,zlib_filefunc_def* pzlib_filefunc_def)
{
zip_internal ziinit;
zip_internal* zi;
int err=ZIP_OK;
if (pzlib_filefunc_def==0)
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 == 0)
return 0;
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==0)
{
ZCLOSE(ziinit.z_filefunc,ziinit.filestream);
return 0;
}
/* now we add file in a zipfile */
# ifndef NO_ADDFILEINEXISTINGZIP
ziinit.globalcomment = 0;
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 0;
}
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 0;
}
else
{
*zi = ziinit;
return (zipFile)zi;
}
}
extern int ZEXPORT zipCloseFileInZip (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*/
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*/
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;
}
