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ed5bf9b3b8
Another bug turned up by writing tests. The code that spots that the character won't fit, and wraps it to the next line setting LATTR_WRAPPED2, was not checking that wrap mode was _enabled_ before doing that. So if you printed a DW character in the rightmost column while the terminal was in non-auto-wrap mode, you'd get an unwanted wrap. Other terminals disagree on what to do here. xterm leaves the cursor in the same place and doesn't print any character at all. gnome-terminal, on the other hand, backspaces by a character so that it _can_ print the requested DW character, in the rightmost _two_ columns. I think I don't much like either of those, so instead I'm using the same fallback we use for displaying a DW character when the whole terminal is only one column wide: if there is physically no room to print the requested character, turn it into U+FFFD REPLACEMENT CHARACTER.
This is the README for PuTTY, a free Windows and Unix Telnet and SSH
client.
PuTTY is built using CMake <https://cmake.org/>. To compile in the
simplest way (on any of Linux, Windows or Mac), run these commands in
the source directory:
cmake .
cmake --build .
Then, to install in the simplest way on Linux or Mac:
cmake --build . --target install
On Unix, pterm would like to be setuid or setgid, as appropriate, to
permit it to write records of user logins to /var/run/utmp and
/var/log/wtmp. (Of course it will not use this privilege for
anything else, and in particular it will drop all privileges before
starting up complex subsystems like GTK.) The cmake install step
doesn't attempt to add these privileges, so if you want user login
recording to work, you should manually ch{own,grp} and chmod the
pterm binary yourself after installation. If you don't do this,
pterm will still work, but not update the user login databases.
Documentation (in various formats including Windows Help and Unix
`man' pages) is built from the Halibut (`.but') files in the `doc'
subdirectory. If you aren't using one of our source snapshots,
you'll need to do this yourself. Halibut can be found at
<https://www.chiark.greenend.org.uk/~sgtatham/halibut/>.
The PuTTY home web site is
https://www.chiark.greenend.org.uk/~sgtatham/putty/
If you want to send bug reports or feature requests, please read the
Feedback section of the web site before doing so. Sending one-line
reports saying `it doesn't work' will waste your time as much as
ours.
See the file LICENCE for the licence conditions.