public
Created

buffering.rb do_write that handles different encodings

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gistfile1.rb
Ruby
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##
# Writes +s+ to the buffer. When the buffer is full or #sync is true the
# buffer is flushed to the underlying socket.
 
def do_write(s)
@wbuffer = "" unless defined? @wbuffer
@wbuffer << s
@sync ||= false
if @sync or @wbuffer.bytesize > BLOCK_SIZE or idx = @wbuffer.rindex($/)
remain = idx ? idx + $/.size : @wbuffer.bytesize
nwritten = 0
while remain > 0
str = @wbuffer.byteslice(nwritten,remain)
begin
nwrote = syswrite(str)
rescue Errno::EAGAIN
retry
end
remain -= nwrote
nwritten += nwrote
end
@wbuffer = @wbuffer.byteslice(nwritten, @wbuffer.bytesize - nwritten)
end
end
 
public
 
##
# Writes +s+ to the stream. If the argument is not a string it will be
# converted using String#to_s. Returns the number of bytes written.
 
def write(s)
do_write(s)
s.bytesize
end

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