CVS commit: src/usr.bin/make

["Roland Illig" <rillig%netbsd.org@localhost>]

Module Name:    src
Committed By:   rillig
Date:           Sat Aug 22 21:12:29 UTC 2020

Modified Files:
        src/usr.bin/make: parse.c
        src/usr.bin/make/unit-tests: varname-empty.mk

Log Message:
make(1): fix undefined behavior when assigning to variable ""

Using a programming language with built-in array bounds checks would
have prevented this bug, and many others as well.


To generate a diff of this commit:
cvs rdiff -u -r1.258 -r1.259 src/usr.bin/make/parse.c
cvs rdiff -u -r1.3 -r1.4 src/usr.bin/make/unit-tests/varname-empty.mk

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.