Hi Denis,

Denis Excoffier wrote:
Hello,

On 2021-11-03 10:59, Mark Geisert wrote:

The following packages have been uploaded to the Cygwin distribution:

* cygutils-1.4.16-8
* cygutils-extra-1.4.16-8
* cygutils-x11-1.4.16-8


The '-u' or '-d' option of getclip does not seem to work properly under xterm.
How to reproduce:
1) Open an xterm
2) Select a simple piece of text (with no line ending)
3) getclip -u
4) Observe 'Segmentation fault(core dumped)'

If step 2 is replaced by ‘printf AAAA | putclip', no error.
If step 3 is replaced by ‘getclip’, no error.

I can’t tell whether this is new or not.

It appears to be old. An xterm selection is placed on the Windows clipboard in CF_UNICODETEXT format. 'getclip' can deal with this, 'getclip -u' and 'getclip -d' cannot; they always request CF_TEXT (i.e., ANSI) format and assume they get a buffer of data. But the formats don't match and there's no data supplied. That's why the segfault occurs.

I've committed a patch to the cygutils git repository that fixes the segfault:
https://cygwin.com/git/?p=cygwin-apps/cygutils.git;a=commit;h=3e94e050af7ad4ac84d12c18e9408e4c4f34cb56

The fix will be part of an upcoming build of cygutils, 1.4.16-9, hopefully in the next few days. Beyond that, the limitation in formats with "-u" and "-d" will be relaxed later on.
Regards,

..mark

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