CVS commit: src/usr.bin/make

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

Module Name:    src
Committed By:   rillig
Date:           Mon Nov  2 22:50:55 UTC 2020

Modified Files:
        src/usr.bin/make: parse.c

Log Message:
make(1): fix undefined behavior in Parse_IsVar

Even though the pointer was out-of-bounds, a crash was unlikely in
practice, since typical C compilers don't check the pointers for invalid
values after each modification.  The memory it pointed to was not
accessed though.


To generate a diff of this commit:
cvs rdiff -u -r1.421 -r1.422 src/usr.bin/make/parse.c

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