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bug: Incorrect UTF-16 detection

From: Sébastien Kirche <sebastien.kirche_at_free.fr>
Date: Wed, 7 Oct 2015 06:45:52 -0700 (PDT)

I have a program that outputs some small unencoded (= ansi encoded) text files. It also incorrectly adds a final null character at the end of file.

I have noticed that for files smaller than 50 bytes it brakes the Unicode detection of TortoiseMerge that displays my small files like chinese with wrong shown encoding of utf-16le. If I artificially increase the size over 50 bytes the file is shown correctly.

It seems that the culprit is in src/TortoiseMerge/FileTextLines.cpp at lines 122 (and perhaps 153) in a hack that consists in comparing a null character count to the file size divided by 50. For files smaller than 50 bytes, any number of null characters will incorrectly result in an utf-16 display.


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Received on 2015-10-07 17:12:25 CEST

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