patch 9.0.1917: undefined behaviour with python function pointer Commit: https://github.com/vim/vim/commit/d606fccf6fd716bda43a8e1d11d898f438d28b82 Author: Yee Cheng Chin <ychin.git@gmail.com> Date: Wed Sep 20 19:59:47 2023 +0200 patch 9.0.1917: undefined behaviour with python function pointer Problem: undefined behaviour with python function pointer Solution: correctly cast function pointers from void Fix more undefined behaviors in if_python Fix remaining UBSAN errors from Clang 17 in if_python in casting function pointers. Also fix a mistake where `PyMem_Free()` should be returning void, by the dynamic build is mistakenly casting it as a function that returns an int. closes: #13128 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yee Cheng Chin <ychin.git@gmail.com>

#!/bin/sh
# Shell script to start Vim with less.vim.
# Read stdin if no arguments were given and stdin was redirected.

if test -t 1; then
  if test $# = 0; then
    if test -t 0; then
      echo "Missing filename" 1>&2
      exit
    fi
    vim --cmd 'let no_plugin_maps = 1' -c 'runtime! macros/less.vim' -
  else
    vim --cmd 'let no_plugin_maps = 1' -c 'runtime! macros/less.vim' "$@"
  fi
else
  # Output is not a terminal, cat arguments or stdin
  if test $# = 0; then
    if test -t 0; then
      echo "Missing filename" 1>&2
      exit
    fi
    cat
  else
    cat "$@"
  fi
fi