[src/trunk]: src/usr.bin/make make(1): move CleanEnv to UnexportVars

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/40853cc98c97
branches:  trunk
changeset: 946717:40853cc98c97
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Dec 06 17:41:52 2020 +0000

description:
make(1): move CleanEnv to UnexportVars

It clearly didn't belong in the GetVarnamesToUnexport part of the code.

diffstat:

 usr.bin/make/var.c |  17 ++++++++++-------
 1 files changed, 10 insertions(+), 7 deletions(-)

diffs (46 lines):

diff -r 661110b9447c -r 40853cc98c97 usr.bin/make/var.c
--- a/usr.bin/make/var.c        Sun Dec 06 17:35:51 2020 +0000
+++ b/usr.bin/make/var.c        Sun Dec 06 17:41:52 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.716 2020/12/06 17:35:51 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.717 2020/12/06 17:41:52 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -130,7 +130,7 @@
 #include "metachar.h"
 
 /*     "@(#)var.c      8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: var.c,v 1.716 2020/12/06 17:35:51 rillig Exp $");
+MAKE_RCSID("$NetBSD: var.c,v 1.717 2020/12/06 17:41:52 rillig Exp $");
 
 /* A string that may need to be freed after use. */
 typedef struct FStr {
@@ -758,10 +758,9 @@
        FStr varnames = FSTR_INIT;
 
        str += strlen("unexport");
-       if (strncmp(str, "-env", 4) == 0) {
-               ClearEnv();
+       if (strncmp(str, "-env", 4) == 0)
                what = UNEXPORT_ENV;
-       } else {
+       else {
                cpp_skip_whitespace(&str);
                what = str[0] != '\0' ? UNEXPORT_NAMED : UNEXPORT_ALL;
                if (what == UNEXPORT_NAMED)
@@ -814,8 +813,12 @@
 UnexportVars(FStr *varnames, UnexportWhat what)
 {
        size_t i;
-
-       Words words = Str_Words(varnames->str, FALSE);
+       Words words;
+
+       if (what == UNEXPORT_ENV)
+               ClearEnv();
+
+       words = Str_Words(varnames->str, FALSE);
        for (i = 0; i < words.len; i++) {
                const char *varname = words.words[i];
                UnexportVar(varname, what);