[Bug 2008108] Re: unittest failure on armhf and glibc 2.37

[Dan Bungert]

https://github.com/dankamongmen/notcurses/pull/2707 sent upstream (hi
nick :)

This was an interesting one to debug.  The tests are (indirectly) using
snprintf, and don't seem close to consuming the buffer size, but are
sending a too-large size for the size_t value in snprintf, and that
triggers truncation of the printed value somehow.  Worse, the truncation
behavior isn't consistent.  See attached reproducer which shows the
weird truncation behavior.

** Changed in: notcurses (Ubuntu)
       Status: In Progress => Fix Committed

** Attachment added: "lp-2008108.c"
   https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/2008108/+attachment/5649277/+files/lp-2008108.c

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https://bugs.launchpad.net/bugs/2008108

Title:
  unittest failure on armhf and glibc 2.37

Status in glibc package in Ubuntu:
  New
Status in notcurses package in Ubuntu:
  Fix Committed

Bug description:
  notcurses autopkgtest will fail on the unittest stage when triggered
  with glibc 2.37.

  Sample log:
  https://autopkgtest.ubuntu.com/results/autopkgtest-lunar/lunar/armhf/n/notcurses/20230216_230901_2c553@/log.gz

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