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These functions that eventually write their output to a ByteSink need a small temporary buffer for processing the subtag they're about to write and currently use a local CharString object to provide this buffer, which then gets written to the ByteSink and discarded. This intermediate step is unnecessary as a ByteSink can provide an append buffer which can be used instead, eliminating the need to allocate a local temporary buffer and to copy the data around. This approach also makes it natural to split the processing into two steps, first calculating the length of the subtag, then processing it, which makes it possible to return early when no output is requested. |
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as_is | ||
build_qnx | ||
packaging | ||
source | ||
APIChangeReport.html | ||
APIChangeReport.md | ||
icu4c.css | ||
LICENSE | ||
license.html | ||
readme.html |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html lang="en-US" xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US"> <head> <title>ReadMe for ICU4C</title> <meta name="COPYRIGHT" content= "Copyright (C) 2016 and later: Unicode, Inc. and others. License & terms of use: http://www.unicode.org/copyright.html"/> <!-- meta name="COPYRIGHT" content= "Copyright (c) 1997-2016 IBM Corporation and others. All Rights Reserved." / --> <meta name="KEYWORDS" content= "ICU; International Components for Unicode; ICU4C; what's new; readme; read me; introduction; downloads; downloading; building; installation;" /> <meta name="DESCRIPTION" content= "The introduction to the International Components for Unicode with instructions on building, installation, usage and other information about ICU." /> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link type="text/css" href="./icu4c.css" rel="stylesheet"/> </head> <body> <p>This readme has moved to the <a href="https://unicode-org.github.io/icu/userguide/icu4c/">ICU4C Readme</a> section in the <a href="https://unicode-org.github.io/icu/">ICU User Guide</a>.</p> <hr /> <p> Copyright © 2016 and later: Unicode, Inc. and others. License & terms of use: <a href="http://www.unicode.org/copyright.html">http://www.unicode.org/copyright.html</a><br/> Copyright © 1997-2016 International Business Machines Corporation and others. All Rights Reserved.</p> </body> </html>