CVS commit: src/usr.bin/make

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

Module Name:    src
Committed By:   rillig
Date:           Mon Dec 13 04:18:01 UTC 2021

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

Log Message:
make: fix memory leak when parsing a variable name

To trigger the memory leak, the expanded variable name must not be a
prefix of the textual variable name.

        textual name            expanded name
ok:     UNDEF.${undef}          UNDEF.
leak:   UNDEF.${undef}.         UNDEF..


To generate a diff of this commit:
cvs rdiff -u -r1.985 -r1.986 src/usr.bin/make/var.c

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