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List:       icu-bugrfe
Subject:    Notification: incoming/1730
From:       jtcsv () jtcsv ! com
Date:       2002-02-26 21:10:29
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ICU bug tracking authorized access notification

schererm moved PR#1730 from incoming to others
Message summary for PR#1730
	From: markus.scherer@jtcsv.com
	Subject: need UnicodeString::clone() for thread-safe string handling
	Date: unknown
	0 replies 	0 followups
	Notes: assigned to markus
target: 2002q1


====> ORIGINAL MESSAGE FOLLOWS <====

From: markus.scherer@jtcsv.com
To: jtcsv@jtcsv.com
Subject: need UnicodeString::clone() for thread-safe string handling

Full_Name: Markus Scherer
Version: 200
OS: all
ICU_Component: others
project: ICU4C
Submission from: (NULL) (32.97.110.69)
Submitted by: schererm


Currently the only way to make sure that a copy of a UnicodeString can be used
concurrently to the original is to
    if(s.length()>0) {
        s.setCharAt(0, s.charAt(0));
    }

We need a clone() function that is slightly smarter. For example, it should not
copy the buffer if the string is a read-only alias.

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