bug#55952: [PATCH] bindat (strz): Write null terminator after variable length string

[Richard Hansen]

X-Debbugs-CC: monnier@iro.umontreal.ca

Attached patch:

* lisp/emacs-lisp/bindat.el (bindat--pack-strz): Explicitly write a
null byte after packing a variable-length string to ensure proper
termination when packing to a pre-allocated string.
* doc/lispref/processes.texi (Bindat Types): Update documentation.
* test/lisp/emacs-lisp/bindat-tests.el (bindat-test--str-strz-prealloc):
Update tests.

0001-bindat-strz-Write-null-terminator-after-variable-len.patch
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