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e7d51505c7
If you already have a string (of potentially-binary data) in the form of a ptrlen reference to somewhere else, and you want to keep a copy somewhere, it's useful to copy it into a strbuf. But it takes a couple of lines of faff to do that, and it's nicer to wrap that up into a tiny helper function. This commit adds that helper function strbuf_dup, and its non-movable sibling strbuf_dup_nm for secret data. Also, gone through the existing code and found a bunch of cases where this makes things less verbose.
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 .
Documentation (in various formats including Windows Help and Unix
`man' pages) is built from the Halibut (`.but') files in the `doc'
subdirectory using `doc/Makefile'. 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.