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* lib/tempfile.rb (Tempfile::make_tmpname): Allow to specify a

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suffix for a temporary file name.

* lib/tempfile.rb (Tempfile::make_tmpname): Make temporary file
  names less predictable by including a random string.
  [inspired by: akr]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@13631 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
knu 2007-10-05 06:44:14 +00:00
parent 1901ca6a17
commit da7cf16496
2 changed files with 27 additions and 4 deletions
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22
lib/tempfile.rb
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@ -13,9 +13,15 @@ class Tempfile < DelegateClass(File)
MAX_TRY = 10
@@cleanlist = []
# Creates a temporary file of mode 0600 in the temporary directory
# whose name is basename.pid.n and opens with mode "w+". A Tempfile
# object works just like a File object.
# Creates a temporary file of mode 0600 in the temporary directory,
# opens it with mode "w+", and returns a Tempfile object which
# represents the created temporary file. A Tempfile object can be
# treated just like a normal File object.
#
# The basename parameter is used to determine the name of a
# temporary file. If an Array is given, the first element is used
# as prefix string and the second as suffix string, respectively.
# Otherwise it is treated as prefix string.
#
# If tmpdir is omitted, the temporary directory is determined by
# Dir::tmpdir provided by 'tmpdir.rb'.
@ -67,7 +73,15 @@ class Tempfile < DelegateClass(File)
end
def make_tmpname(basename, n)
sprintf('%s.%d.%d', basename, $$, n)
case basename
when Array
prefix, suffix = *basename
else
prefix, suffix = basename, ''
end
t = Time.now.strftime("%Y%m%d")
path = "#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}-#{n}#{suffix}"
end
private :make_tmpname