view src/toolcheck @ 33774:f2dd85a2bfc0 v9.0.2107

patch 9.0.2107: [security]: FPE in adjust_plines_for_skipcol Commit: https://github.com/vim/vim/commit/cb0b99f0672d8446585d26e998343dceca17d1ce Author: Christian Brabandt <cb@256bit.org> Date: Tue Nov 14 20:05:59 2023 +0100 patch 9.0.2107: [security]: FPE in adjust_plines_for_skipcol Problem: [security]: FPE in adjust_plines_for_skipcol Solution: don't divide by zero, return zero Prevent a floating point exception when calculating w_skipcol (which can happen with a small window when the number option is set and cpo+=n). Add a test to verify Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Thu, 16 Nov 2023 22:15:08 +0100
parents 3fc0f57ecb91
children
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#!/bin/sh
# toolcheck -- check for tools that have severe bugs. Good that all the buggy
#	       tools identify by version numbers. This is the spirit of GNU :-)
#
# 24.7.95 jw.

retval=0
reply="`sh -version -c exit 2>&1 < /dev/null`"
case "$reply" in
	GNU*1.14.3*)
		echo "- sh is	'$reply'";
		echo "  CAUTION: This shell has a buggy 'trap' command.";
		echo "           The configure script may fail silently.";
		retval=1;
		;;
	GNU*)
		echo "- sh is	'$reply' - probably OK.";
		;;
	*)	;;
esac

reply="`sed --version 2>&1 < /dev/null`"
case "$reply" in
	GNU\ sed\ version\ 2.0[34])
		echo "- sed is	'$reply'";
		echo "  CAUTION: This sed cannot configure screen properly."
		retval=1;
		;;
	GNU\ sed\ version\ 2.05|GNU\ sed\ version\ 2.03\ kevin)
		echo "- sed is	'$reply' - good.";
		;;
	GNU*)	echo "- sed is	'$reply'.";
		;;
	*)	;;
esac
exit $retval