自学教程：C++ unzlocal_getLong函数代码示例

/*  Read the local header of the current zipfile  Check the coherency of the local header and info in the end of central        directory about this file  store in *piSizeVar the size of extra info in local header        (filename and size of extra field data)*/static int unzlocal_CheckCurrentFileCoherencyHeader(unz_s* s, uInt* piSizeVar,													uLong *poffset_local_extrafield,													uInt  *psize_local_extrafield) {	uLong uMagic,uData,uFlags;	uLong size_filename;	uLong size_extra_field;	int err=UNZ_OK;	*piSizeVar = 0;	*poffset_local_extrafield = 0;	*psize_local_extrafield = 0;	s->_stream->seek(s->cur_file_info_internal.offset_curfile +								s->byte_before_the_zipfile, SEEK_SET);	if (s->_stream->err())		return UNZ_ERRNO;	if (err==UNZ_OK) {		if (unzlocal_getLong(s->_stream,&uMagic) != UNZ_OK)			err=UNZ_ERRNO;		else if (uMagic!=0x04034b50)			err=UNZ_BADZIPFILE;	}	if (unzlocal_getShort(s->_stream,&uData) != UNZ_OK)		err=UNZ_ERRNO;/*	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.wVersion))		err=UNZ_BADZIPFILE;*/	if (unzlocal_getShort(s->_stream,&uFlags) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&uData) != UNZ_OK)		err=UNZ_ERRNO;	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compression_method))		err=UNZ_BADZIPFILE;	if ((err==UNZ_OK) && (s->cur_file_info.compression_method!=0) &&	                     (s->cur_file_info.compression_method!=Z_DEFLATED))		err=UNZ_BADZIPFILE;	if (unzlocal_getLong(s->_stream,&uData) != UNZ_OK) /* date/time */		err=UNZ_ERRNO;	if (unzlocal_getLong(s->_stream,&uData) != UNZ_OK) /* crc */		err=UNZ_ERRNO;	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.crc) &&		                      ((uFlags & 8)==0))		err=UNZ_BADZIPFILE;	if (unzlocal_getLong(s->_stream,&uData) != UNZ_OK) /* size compr */		err=UNZ_ERRNO;	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.compressed_size) &&							  ((uFlags & 8)==0))		err=UNZ_BADZIPFILE;	if (unzlocal_getLong(s->_stream,&uData) != UNZ_OK) /* size uncompr */		err=UNZ_ERRNO;	else if ((err==UNZ_OK) && (uData!=s->cur_file_info.uncompressed_size) &&							  ((uFlags & 8)==0))		err=UNZ_BADZIPFILE;	if (unzlocal_getShort(s->_stream,&size_filename) != UNZ_OK)		err=UNZ_ERRNO;	else if ((err==UNZ_OK) && (size_filename!=s->cur_file_info.size_filename))		err=UNZ_BADZIPFILE;	*piSizeVar += (uInt)size_filename;	if (unzlocal_getShort(s->_stream,&size_extra_field) != UNZ_OK)		err=UNZ_ERRNO;	*poffset_local_extrafield= s->cur_file_info_internal.offset_curfile +									SIZEZIPLOCALHEADER + size_filename;	*psize_local_extrafield = (uInt)size_extra_field;	*piSizeVar += (uInt)size_extra_field;	return err;}

/*  Open a Zip file. path contain the full pathname (by example,     on a Windows NT computer "c://test//zlib109.zip" or on an Unix computer	 "zlib/zlib109.zip".	 If the zipfile cannot be opened (file don't exist or in not valid), the	   return value is NULL.     Else, the return value is a unzFile Handle, usable with other function	   of this unzip package.*/unzFile unzOpen(Common::SeekableReadStream *stream) {	if (!stream)		return NULL;	unz_s *us = new unz_s;	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_CD;      /* total number of entries in	                               the central dir	                               (same than number_entry on nospan) */	int err=UNZ_OK;	us->_stream = stream;	central_pos = unzlocal_SearchCentralDir(*us->_stream);	if (central_pos==0)		err=UNZ_ERRNO;	us->_stream->seek(central_pos, SEEK_SET);	if (us->_stream->err())		err=UNZ_ERRNO;	/* the signature, already checked */	if (unzlocal_getLong(us->_stream,&uL)!=UNZ_OK)		err=UNZ_ERRNO;	/* number of this disk */	if (unzlocal_getShort(us->_stream,&number_disk)!=UNZ_OK)		err=UNZ_ERRNO;	/* number of the disk with the start of the central directory */	if (unzlocal_getShort(us->_stream,&number_disk_with_CD)!=UNZ_OK)		err=UNZ_ERRNO;	/* total number of entries in the central dir on this disk */	if (unzlocal_getShort(us->_stream,&us->gi.number_entry)!=UNZ_OK)		err=UNZ_ERRNO;	/* total number of entries in the central dir */	if (unzlocal_getShort(us->_stream,&number_entry_CD)!=UNZ_OK)		err=UNZ_ERRNO;	if ((number_entry_CD!=us->gi.number_entry) ||	    (number_disk_with_CD!=0) ||	    (number_disk!=0))		err=UNZ_BADZIPFILE;	/* size of the central directory */	if (unzlocal_getLong(us->_stream,&us->size_central_dir)!=UNZ_OK)		err=UNZ_ERRNO;	/* offset of start of central directory with respect to the	      starting disk number */	if (unzlocal_getLong(us->_stream,&us->offset_central_dir)!=UNZ_OK)		err=UNZ_ERRNO;	/* zipfile comment length */	if (unzlocal_getShort(us->_stream,&us->gi.size_comment)!=UNZ_OK)		err=UNZ_ERRNO;	if ((central_pos<us->offset_central_dir+us->size_central_dir) && (err==UNZ_OK))		err=UNZ_BADZIPFILE;	if (err != UNZ_OK) {		delete us->_stream;		delete us;		return NULL;	}	us->byte_before_the_zipfile = central_pos -		                    (us->offset_central_dir+us->size_central_dir);	us->central_pos = central_pos;	us->pfile_in_zip_read = NULL;	err = unzGoToFirstFile((unzFile)us);	while (err == UNZ_OK) {		// Get the file details		char szCurrentFileName[UNZ_MAXFILENAMEINZIP+1];		unzGetCurrentFileInfo(us, NULL, szCurrentFileName, sizeof(szCurrentFileName) - 1,							NULL, 0, NULL, 0);		// Save details into the hash		cached_file_in_zip fe;		fe.num_file = us->num_file;		fe.pos_in_central_dir = us->pos_in_central_dir;//.........这里部分代码省略.........

static int unzlocal_GetCurrentFileInfoInternal(unzFile file,                                              unz_file_info *pfile_info,                                              unz_file_info_internal *pfile_info_internal,                                              char *szFileName, uLong fileNameBufferSize,                                              void *extraField, uLong extraFieldBufferSize,                                              char *szComment,  uLong commentBufferSize){	unz_s* s;	unz_file_info file_info;	unz_file_info_internal file_info_internal;	int err=UNZ_OK;	uLong uMagic;	long lSeek=0;	if (file==NULL)		return UNZ_PARAMERROR;	s=(unz_s*)file;	s->_stream->seek(s->pos_in_central_dir+s->byte_before_the_zipfile, SEEK_SET);	if (s->_stream->err())		err=UNZ_ERRNO;	/* we check the magic */	if (err==UNZ_OK) {		if (unzlocal_getLong(s->_stream,&uMagic) != UNZ_OK)			err=UNZ_ERRNO;		else if (uMagic!=0x02014b50)			err=UNZ_BADZIPFILE;	}	if (unzlocal_getShort(s->_stream,&file_info.version) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&file_info.version_needed) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&file_info.flag) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&file_info.compression_method) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getLong(s->_stream,&file_info.dosDate) != UNZ_OK)		err=UNZ_ERRNO;	unzlocal_DosDateToTmuDate(file_info.dosDate,&file_info.tmu_date);	if (unzlocal_getLong(s->_stream,&file_info.crc) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getLong(s->_stream,&file_info.compressed_size) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getLong(s->_stream,&file_info.uncompressed_size) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&file_info.size_filename) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&file_info.size_file_extra) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&file_info.size_file_comment) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&file_info.disk_num_start) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getShort(s->_stream,&file_info.internal_fa) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getLong(s->_stream,&file_info.external_fa) != UNZ_OK)		err=UNZ_ERRNO;	if (unzlocal_getLong(s->_stream,&file_info_internal.offset_curfile) != UNZ_OK)		err=UNZ_ERRNO;	lSeek+=file_info.size_filename;	if ((err==UNZ_OK) && (szFileName!=NULL)) {		uLong uSizeRead ;		if (file_info.size_filename<fileNameBufferSize) {			*(szFileName+file_info.size_filename)='/0';			uSizeRead = file_info.size_filename;		} else			uSizeRead = fileNameBufferSize;		if ((file_info.size_filename>0) && (fileNameBufferSize>0))			if (s->_stream->read(szFileName,(uInt)uSizeRead)!=uSizeRead)				err=UNZ_ERRNO;		lSeek -= uSizeRead;	}	if ((err==UNZ_OK) && (extraField!=NULL)) {		uLong uSizeRead ;		if (file_info.size_file_extra<extraFieldBufferSize)			uSizeRead = file_info.size_file_extra;		else			uSizeRead = extraFieldBufferSize;//.........这里部分代码省略.........

/*  Open a Zip file. path contain the full pathname (by example,     on a Windows NT computer "c://test//zlib109.zip" or on an Unix computer	 "zlib/zlib109.zip".	 If the zipfile cannot be opened (file don't exist or in not valid), the	   return value is NULL.     Else, the return value is a unzFile Handle, usable with other function	   of this unzip package.*/extern unzFile ZEXPORT unzOpen(const char *path){	unz_s us;	unz_s *s;	uLong central_pos,uL;	FILE * fin ;	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_CD;      /* total number of entries in	                               the central dir 	                               (same than number_entry on nospan) */	int err=UNZ_OK;        if (unz_copyright[0]!=' ')                return NULL;        fin=FCEUI_UTF8fopen_C(path,"rb");        //fin=fopen(path,"rb");	if (fin==NULL)		return NULL;	central_pos = unzlocal_SearchCentralDir(fin);	if (central_pos==0)		err=UNZ_ERRNO;	if (fseek(fin,central_pos,SEEK_SET)!=0)		err=UNZ_ERRNO;	/* the signature, already checked */	if (unzlocal_getLong(fin,&uL)!=UNZ_OK)		err=UNZ_ERRNO;	/* number of this disk */	if (unzlocal_getShort(fin,&number_disk)!=UNZ_OK)		err=UNZ_ERRNO;	/* number of the disk with the start of the central directory */	if (unzlocal_getShort(fin,&number_disk_with_CD)!=UNZ_OK)		err=UNZ_ERRNO;	/* total number of entries in the central dir on this disk */	if (unzlocal_getShort(fin,&us.gi.number_entry)!=UNZ_OK)		err=UNZ_ERRNO;	/* total number of entries in the central dir */	if (unzlocal_getShort(fin,&number_entry_CD)!=UNZ_OK)		err=UNZ_ERRNO;	if ((number_entry_CD!=us.gi.number_entry) ||		(number_disk_with_CD!=0) ||		(number_disk!=0))		err=UNZ_BADZIPFILE;	/* size of the central directory */	if (unzlocal_getLong(fin,&us.size_central_dir)!=UNZ_OK)		err=UNZ_ERRNO;	/* offset of start of central directory with respect to the 	      starting disk number */	if (unzlocal_getLong(fin,&us.offset_central_dir)!=UNZ_OK)		err=UNZ_ERRNO;	/* zipfile comment length */	if (unzlocal_getShort(fin,&us.gi.size_comment)!=UNZ_OK)		err=UNZ_ERRNO;	if ((central_pos<us.offset_central_dir+us.size_central_dir) && 		(err==UNZ_OK))		err=UNZ_BADZIPFILE;	if (err!=UNZ_OK)	{		fclose(fin);		return NULL;	}	us.file=fin;	us.byte_before_the_zipfile = central_pos -		                    (us.offset_central_dir+us.size_central_dir);	us.central_pos = central_pos;    us.pfile_in_zip_read = NULL;		s=(unz_s*)ALLOC(sizeof(unz_s));	*s=us;	unzGoToFirstFile((unzFile)s);		return (unzFile)s;	//.........这里部分代码省略.........

/*  Open a Zip file. path contain the full pathname (by example,     on a Windows NT computer "c://test//zlib114.zip" or on a Unix computer     "zlib/zlib114.zip".     If the zipfile cannot be opened (file doesn't exist or in not valid), the       return value is NULL.     Else, the return value is an unzFile Handle, usable with other function       of this unzip package.*/unzFile ZEXPORT unzOpen2 (    const char *path,    zlib_filefunc_def* pzlib_filefunc_def){    unz_s us;    unz_s *s;    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_CD;      /* total number of entries in                                   the central dir                                   (same than number_entry on nospan) */    int err=UNZ_OK;    if (unz_copyright[0]!=' ')        return NULL;    if (pzlib_filefunc_def==NULL)        fill_fopen_filefunc(&us.z_filefunc);    else        us.z_filefunc = *pzlib_filefunc_def;    us.filestream= (*(us.z_filefunc.zopen_file))(us.z_filefunc.opaque,                                                 path,                                                 ZLIB_FILEFUNC_MODE_READ |                                                 ZLIB_FILEFUNC_MODE_EXISTING);    if (us.filestream==NULL)        return NULL;    central_pos = unzlocal_SearchCentralDir(&us.z_filefunc,us.filestream);    if (central_pos==0)        err=UNZ_ERRNO;    if (ZSEEK(us.z_filefunc, us.filestream,                                      central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)        err=UNZ_ERRNO;    /* the signature, already checked */    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&uL)!=UNZ_OK)        err=UNZ_ERRNO;    /* number of this disk */    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk)!=UNZ_OK)        err=UNZ_ERRNO;    /* number of the disk with the start of the central directory */    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_disk_with_CD)!=UNZ_OK)        err=UNZ_ERRNO;    /* total number of entries in the central dir on this disk */    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.number_entry)!=UNZ_OK)        err=UNZ_ERRNO;    /* total number of entries in the central dir */    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&number_entry_CD)!=UNZ_OK)        err=UNZ_ERRNO;    if ((number_entry_CD!=us.gi.number_entry) ||        (number_disk_with_CD!=0) ||        (number_disk!=0))        err=UNZ_BADZIPFILE;    /* size of the central directory */    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.size_central_dir)!=UNZ_OK)        err=UNZ_ERRNO;    /* offset of start of central directory with respect to the          starting disk number */    if (unzlocal_getLong(&us.z_filefunc, us.filestream,&us.offset_central_dir)!=UNZ_OK)        err=UNZ_ERRNO;    /* zipfile comment length */    if (unzlocal_getShort(&us.z_filefunc, us.filestream,&us.gi.size_comment)!=UNZ_OK)        err=UNZ_ERRNO;    if ((central_pos<us.offset_central_dir+us.size_central_dir) &&        (err==UNZ_OK))        err=UNZ_BADZIPFILE;    if (err!=UNZ_OK)    {        ZCLOSE(us.z_filefunc, us.filestream);        return NULL;    }    us.byte_before_the_zipfile = central_pos -                            (us.offset_central_dir+us.size_central_dir);//.........这里部分代码省略.........

/*  Open a Zip file. path contain the full pathname (by example,     on a Windows NT computer "c://test//zlib109.zip" or on an Unix computer	 "zlib/zlib109.zip".	 If the zipfile cannot be opened (file don't exist or in not valid), the	   return value is NULL.     Else, the return value is a unzFile Handle, usable with other function	   of this unzip package.*/unzFile unzOpen(Common::SeekableReadStream *stream) {	if (!stream)		return NULL;	unz_s *us = new unz_s;	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_CD;      /* total number of entries in	                               the central dir	                               (same than number_entry on nospan) */	int err=UNZ_OK;	us->_stream = stream;	central_pos = unzlocal_SearchCentralDir(*us->_stream);	if (central_pos==0)		err=UNZ_ERRNO;	us->_stream->seek(central_pos, SEEK_SET);	if (us->_stream->err())		err=UNZ_ERRNO;	/* the signature, already checked */	if (unzlocal_getLong(us->_stream,&uL)!=UNZ_OK)		err=UNZ_ERRNO;	/* number of this disk */	if (unzlocal_getShort(us->_stream,&number_disk)!=UNZ_OK)		err=UNZ_ERRNO;	/* number of the disk with the start of the central directory */	if (unzlocal_getShort(us->_stream,&number_disk_with_CD)!=UNZ_OK)		err=UNZ_ERRNO;	/* total number of entries in the central dir on this disk */	if (unzlocal_getShort(us->_stream,&us->gi.number_entry)!=UNZ_OK)		err=UNZ_ERRNO;	/* total number of entries in the central dir */	if (unzlocal_getShort(us->_stream,&number_entry_CD)!=UNZ_OK)		err=UNZ_ERRNO;	if ((number_entry_CD!=us->gi.number_entry) ||	    (number_disk_with_CD!=0) ||	    (number_disk!=0))		err=UNZ_BADZIPFILE;	/* size of the central directory */	if (unzlocal_getLong(us->_stream,&us->size_central_dir)!=UNZ_OK)		err=UNZ_ERRNO;	/* offset of start of central directory with respect to the	      starting disk number */	if (unzlocal_getLong(us->_stream,&us->offset_central_dir)!=UNZ_OK)		err=UNZ_ERRNO;	/* zipfile comment length */	if (unzlocal_getShort(us->_stream,&us->gi.size_comment)!=UNZ_OK)		err=UNZ_ERRNO;	if ((central_pos<us->offset_central_dir+us->size_central_dir) && (err==UNZ_OK))		err=UNZ_BADZIPFILE;	if (err!=UNZ_OK) {		delete us->_stream;		delete us;		return NULL;	}	us->byte_before_the_zipfile = central_pos -		                    (us->offset_central_dir+us->size_central_dir);	us->central_pos = central_pos;	us->pfile_in_zip_read = NULL;	unzGoToFirstFile((unzFile)us);	return (unzFile)us;}

static int unzlocal_CheckCurrentFileCoherencyHeader(unz_s *s, DWORD *piSizeVar, DWORD *poffset_local_extrafield, DWORD *psize_local_extrafield){  DWORD uMagic, uData, uFlags;  DWORD size_filename;  DWORD size_extra_field;  int err = UNZ_OK;  *piSizeVar = 0;  *poffset_local_extrafield = 0;  *psize_local_extrafield = 0;  if (ZSEEK(s->z_filefunc, s->filestream, s->cur_file_info_internal.offset_curfile + s->byte_before_the_zipfile, SEEK_SET) != 0)  {    return UNZ_ERRNO;  }  if (err == UNZ_OK)  {    if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uMagic) != UNZ_OK)    {      err = UNZ_ERRNO;    }    else if (uMagic != 0x04034b50)    {      err = UNZ_BADZIPFILE;    }  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &uData) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &uFlags) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &uData) != UNZ_OK)  {    err = UNZ_ERRNO;  }  else if ((err == UNZ_OK) && (uData != s->cur_file_info.compression_method))  {    err = UNZ_BADZIPFILE;  }  if ((err == UNZ_OK) && (s->cur_file_info.compression_method != 0) && (s->cur_file_info.compression_method != Z_DEFLATED))  {    err = UNZ_BADZIPFILE;  }  if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uData) != UNZ_OK)  // date/time   {    err = UNZ_ERRNO;  }  if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uData) != UNZ_OK)  // crc   {    err = UNZ_ERRNO;  }  else if ((err == UNZ_OK) && (uData != s->cur_file_info.crc) && ((uFlags &8) == 0))  {    err = UNZ_BADZIPFILE;  }  if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uData) != UNZ_OK)  // size compr   {    err = UNZ_ERRNO;  }  else if ((err == UNZ_OK) && (uData != s->cur_file_info.compressed_size) && ((uFlags &8) == 0))  {    err = UNZ_BADZIPFILE;  }  if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uData) != UNZ_OK)  // size uncompr   {    err = UNZ_ERRNO;  }  else if ((err == UNZ_OK) && (uData != s->cur_file_info.uncompressed_size) && ((uFlags &8) == 0))  {    err = UNZ_BADZIPFILE;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &size_filename) != UNZ_OK)  {    err = UNZ_ERRNO;  }  else if ((err == UNZ_OK) && (size_filename != s->cur_file_info.size_filename))  {    err = UNZ_BADZIPFILE;  }  *piSizeVar += (DWORD)size_filename;//.........这里部分代码省略.........

static int unzlocal_GetCurrentFileInfoInternal(unzFile file, unz_file_info *pfile_info, unz_file_info_internal *pfile_info_internal, char *szFileName, DWORD fileNameBufferSize, void *extraField, DWORD extraFieldBufferSize, char *szComment, DWORD commentBufferSize){  unz_s *s;  unz_file_info file_info;  unz_file_info_internal file_info_internal;  int err = UNZ_OK;  DWORD uMagic;  long lSeek = 0;  if (file == NULL)  {    return UNZ_PARAMERROR;  }  s = (unz_s*)file;  if (ZSEEK(s->z_filefunc, s->filestream, s->pos_in_central_dir + s->byte_before_the_zipfile, SEEK_SET) != 0)  {    err = UNZ_ERRNO;  }  /* we check the magic */  if (err == UNZ_OK)  {    if (unzlocal_getLong(&s->z_filefunc, s->filestream, &uMagic) != UNZ_OK)    {      err = UNZ_ERRNO;    }    else if (uMagic != 0x02014b50)    {      err = UNZ_BADZIPFILE;    }  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.version) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.version_needed) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.flag) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.compression_method) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getLong(&s->z_filefunc, s->filestream, &file_info.dosDate) != UNZ_OK)  {    err = UNZ_ERRNO;  }  unzlocal_DosDateToTmuDate(file_info.dosDate, &file_info.tmu_date);  if (unzlocal_getLong(&s->z_filefunc, s->filestream, &file_info.crc) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getLong(&s->z_filefunc, s->filestream, &file_info.compressed_size) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getLong(&s->z_filefunc, s->filestream, &file_info.uncompressed_size) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.size_filename) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.size_file_extra) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.size_file_comment) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.disk_num_start) != UNZ_OK)  {    err = UNZ_ERRNO;  }  if (unzlocal_getShort(&s->z_filefunc, s->filestream, &file_info.internal_fa) != UNZ_OK)  {    err = UNZ_ERRNO;//.........这里部分代码省略.........