/usr/lib/ruby/1.8/openssl/buffering.rb is in libruby1.8 1.8.7.352-2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 | =begin
= $RCSfile$ -- Buffering mix-in module.
= Info
'OpenSSL for Ruby 2' project
Copyright (C) 2001 GOTOU YUUZOU <gotoyuzo@notwork.org>
All rights reserved.
= Licence
This program is licenced under the same licence as Ruby.
(See the file 'LICENCE'.)
= Version
$Id: buffering.rb 28004 2010-05-24 23:58:49Z shyouhei $
=end
module OpenSSL
module Buffering
include Enumerable
attr_accessor :sync
BLOCK_SIZE = 1024*16
def initialize(*args)
@eof = false
@rbuffer = ""
@sync = @io.sync
end
#
# for reading.
#
private
def fill_rbuff
begin
@rbuffer << self.sysread(BLOCK_SIZE)
rescue Errno::EAGAIN
retry
rescue EOFError
@eof = true
end
end
def consume_rbuff(size=nil)
if @rbuffer.empty?
nil
else
size = @rbuffer.size unless size
ret = @rbuffer[0, size]
@rbuffer[0, size] = ""
ret
end
end
public
def read(size=nil, buf=nil)
if size == 0
if buf
buf.clear
else
buf = ""
end
return @eof ? nil : buf
end
until @eof
break if size && size <= @rbuffer.size
fill_rbuff
end
ret = consume_rbuff(size) || ""
if buf
buf.replace(ret)
ret = buf
end
(size && ret.empty?) ? nil : ret
end
def readpartial(maxlen, buf=nil)
if maxlen == 0
if buf
buf.clear
else
buf = ""
end
return @eof ? nil : buf
end
if @rbuffer.empty?
begin
return sysread(maxlen, buf)
rescue Errno::EAGAIN
retry
end
end
ret = consume_rbuff(maxlen)
if buf
buf.replace(ret)
ret = buf
end
raise EOFError if ret.empty?
ret
end
def gets(eol=$/)
idx = @rbuffer.index(eol)
until @eof
break if idx
fill_rbuff
idx = @rbuffer.index(eol)
end
if eol.is_a?(Regexp)
size = idx ? idx+$&.size : nil
else
size = idx ? idx+eol.size : nil
end
consume_rbuff(size)
end
def each(eol=$/)
while line = self.gets(eol)
yield line
end
end
alias each_line each
def readlines(eol=$/)
ary = []
while line = self.gets(eol)
ary << line
end
ary
end
def readline(eol=$/)
raise EOFError if eof?
gets(eol)
end
def getc
c = read(1)
c ? c[0] : nil
end
def each_byte
while c = getc
yield(c)
end
end
def readchar
raise EOFError if eof?
getc
end
def ungetc(c)
@rbuffer[0,0] = c.chr
end
def eof?
fill_rbuff if !@eof && @rbuffer.empty?
@eof && @rbuffer.empty?
end
alias eof eof?
#
# for writing.
#
private
def do_write(s)
@wbuffer = "" unless defined? @wbuffer
@wbuffer << s
@sync ||= false
if @sync or @wbuffer.size > BLOCK_SIZE or idx = @wbuffer.rindex($/)
remain = idx ? idx + $/.size : @wbuffer.length
nwritten = 0
while remain > 0
str = @wbuffer[nwritten,remain]
begin
nwrote = syswrite(str)
rescue Errno::EAGAIN
retry
end
remain -= nwrote
nwritten += nwrote
end
@wbuffer[0,nwritten] = ""
end
end
public
def write(s)
do_write(s)
s.length
end
def << (s)
do_write(s)
self
end
def puts(*args)
s = ""
if args.empty?
s << "\n"
end
args.each{|arg|
s << arg.to_s
if $/ && /\n\z/ !~ s
s << "\n"
end
}
do_write(s)
nil
end
def print(*args)
s = ""
args.each{ |arg| s << arg.to_s }
do_write(s)
nil
end
def printf(s, *args)
do_write(s % args)
nil
end
def flush
osync = @sync
@sync = true
do_write ""
@sync = osync
end
def close
flush rescue nil
sysclose
end
end
end
|