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Unicode filenames support in zip_util_pkg #78

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Unicode filenames support in zip_util_pkg #78

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11 changes: 8 additions & 3 deletions ora/zip_util_pkg.pkb
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Original file line number Diff line number Diff line change
Expand Up @@ -349,6 +349,7 @@ is
t_now date;
t_blob blob;
t_clen integer;
t_name raw(32767);
begin
t_now := sysdate;
t_blob := utl_compress.lz_compress( p_content );
Expand All @@ -359,12 +360,16 @@ is
, true
);
end if;
t_name := utl_raw.cast_to_raw(convert(p_name, 'AL32UTF8'));
dbms_lob.append
( p_zipped_blob
, utl_raw.concat
( hextoraw( '504B0304' ) -- Local file header signature
, hextoraw( '1400' ) -- version 2.0
, hextoraw( '0000' ) -- no General purpose bits
, case when convert(p_name, 'AL32UTF8') = convert(p_name, 'US8PC437')
then hextoraw( '0000' ) -- no General purpose bits
else hextoraw( '0008' ) -- set Language encoding flag (EFS)
end
, hextoraw( '0800' ) -- deflate
, little_endian
( to_number( to_char( t_now
Expand Down Expand Up @@ -397,11 +402,11 @@ is
, little_endian( t_clen - 18 ) -- compressed size
, little_endian( dbms_lob.getlength( p_content ) )
-- uncompressed size
, little_endian( length( p_name )
, little_endian( utl_raw.length( t_name )
, 2
) -- File name length
, hextoraw( '0000' ) -- Extra field length
, utl_raw.cast_to_raw( p_name ) -- File name
, t_name -- File name
)
);
dbms_lob.copy( p_zipped_blob
Expand Down