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Fix handling of UTF-8 filenames #85

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Fix handling of UTF-8 filenames #85

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91d0c3f
Enable the UTF-8 bit flag by default
cerisola Nov 2, 2021
0ad1399
Add OS creation information and default file attributes
cerisola Nov 2, 2021
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19 changes: 14 additions & 5 deletions src/ZipFile.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ Julia
"""
module ZipFile

import Base: read, read!, eof, write, flush, close, mtime, position, show, unsafe_write
import Base: read, read!, eof, write, flush, close, mtime, position, show, unsafe_write, Sys
using Printf

export read, read!, eof, write, close, mtime, position, show
Expand All @@ -58,6 +58,15 @@ const Deflate = UInt16(8)

const _Method2Str = Dict{UInt16,String}(Store => "Store", Deflate => "Deflate")

"Unicode filename flag"
const _UnicodeFlag = 0x800

"Version made by"
const _VersionMadeBy = (Sys.iswindows() ? 0x0a00 : 0x0300) | _ZipVersion

"Default external file attributes: -rw-r-----"
const _DefaultExtFileAttr = Sys.iswindows() ? 0 : (UInt32(0o640) << 16)

mutable struct ReadableFile <: IO
_io :: IO
name :: String # filename
Expand Down Expand Up @@ -366,9 +375,9 @@ function flush(w::Writer)
# write central directory record
for f in w.files
_writele(w._io, UInt32(_CentralDirSig))
_writele(w._io, UInt16(_VersionMadeBy))
_writele(w._io, UInt16(_ZipVersion))
_writele(w._io, UInt16(_ZipVersion))
_writele(w._io, UInt16(0))
_writele(w._io, UInt16(_UnicodeFlag))
_writele(w._io, UInt16(f.method))
_writele(w._io, UInt16(f.dostime))
_writele(w._io, UInt16(f.dosdate))
Expand All @@ -381,7 +390,7 @@ function flush(w::Writer)
_writele(w._io, UInt16(0))
_writele(w._io, UInt16(0))
_writele(w._io, UInt16(0))
_writele(w._io, UInt32(0))
_writele(w._io, UInt32(_DefaultExtFileAttr))
_writele(w._io, UInt32(f._offset))
_writele(w._io, b)
cdsize += 46+length(b)
Expand Down Expand Up @@ -563,7 +572,7 @@ function addfile(w::Writer, name::AbstractString; method::Integer=Store, mtime::
# Write local file header. Missing entries will be filled in later.
_writele(w._io, UInt32(_LocalFileHdrSig))
_writele(w._io, UInt16(_ZipVersion))
_writele(w._io, UInt16(0))
_writele(w._io, UInt16(_UnicodeFlag))
_writele(w._io, UInt16(f.method))
_writele(w._io, UInt16(f.dostime))
_writele(w._io, UInt16(f.dosdate))
Expand Down