patch 8.2.3083: crash when passing null string to charclass() Commit: https://github.com/vim/vim/commit/72463f883cdfd08e29ab0018ef3889284848d5f1 Author: Christian Brabandt <cb@256bit.org> Date: Fri Jul 2 20:19:31 2021 +0200 patch 8.2.3083: crash when passing null string to charclass() Problem: Crash when passing null string to charclass(). Solution: Bail out when string pointer is NULL. (Christian Brabandt, closes #8498, closes #8260)

/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

#ifdef PROTO
// cproto runs into trouble when these types are missing
typedef double _Float16;
typedef double _Float32;
typedef double _Float64;
typedef double _Float128;
typedef double _Float32x;
typedef double _Float64x;
#endif