patch 9.0.0220: invalid memory access with for loop over NULL string Commit: https://github.com/vim/vim/commit/f6d39c31d2177549a986d170e192d8351bd571e2 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 16 17:50:38 2022 +0100 patch 9.0.0220: invalid memory access with for loop over NULL string Problem: Invalid memory access with for loop over NULL string. Solution: Make sure mb_ptr2len() consistently returns zero for NUL.

# A very (if not the most) simplistic Makefile for MSVC

SUBSYSTEM = console
!if "$(SUBSYSTEM_VER)" != ""
SUBSYSTEM = $(SUBSYSTEM),$(SUBSYSTEM_VER)
!endif

CC=cl
CFLAGS=/O2 /nologo

tee.exe: tee.obj
	$(CC) $(CFLAGS) /Fo$@ $** /link /subsystem:$(SUBSYSTEM)

tee.obj: tee.c
	$(CC) $(CFLAGS) /c $**

clean:
	- del tee.obj
	- del tee.exe