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merge revision(s) 60294: [Backport #11638]

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Clarify the behavior of IO.write without offset in write mode.

	  https://github.com/ruby/ruby/pull/1571

	  Patch by @takanabe [fix GH-1571]
	  [Bug #11638][ruby-core:71277]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@62823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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usa 2018-03-18 15:21:39 +00:00
parent c17242100c
commit fdb2421c21
3 changed files with 12 additions and 3 deletions
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io.c
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@ -10023,8 +10023,8 @@ io_s_write(int argc, VALUE *argv, int binary)
* Opens the file, optionally seeks to the given <i>offset</i>, writes
* <i>string</i>, then returns the length written.
* <code>write</code> ensures the file is closed before returning.
* If <i>offset</i> is not given, the file is truncated. Otherwise,
* it is not truncated.
* If <i>offset</i> is not given in write mode, the file is truncated.
* Otherwise, it is not truncated.
*
* If the last argument is a hash, it specifies option for internal
* open(). The key would be the following. open_args: is exclusive