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[src/trunk]: src/usr.bin/make make(1): remove unsatisfiable conditions in Var...



details:   https://anonhg.NetBSD.org/src/rev/2c7f012fe791
branches:  trunk
changeset: 1015710:2c7f012fe791
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Oct 30 22:43:39 2020 +0000

description:
make(1): remove unsatisfiable conditions in Var_Set_with_flags

diffstat:

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

diffs (45 lines):

diff -r cf823368a57e -r 2c7f012fe791 usr.bin/make/var.c
--- a/usr.bin/make/var.c        Fri Oct 30 22:30:42 2020 +0000
+++ b/usr.bin/make/var.c        Fri Oct 30 22:43:39 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.607 2020/10/30 22:30:42 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.608 2020/10/30 22:43:39 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -129,7 +129,7 @@
 #include    "metachar.h"
 
 /*     "@(#)var.c      8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: var.c,v 1.607 2020/10/30 22:30:42 rillig Exp $");
+MAKE_RCSID("$NetBSD: var.c,v 1.608 2020/10/30 22:43:39 rillig Exp $");
 
 #define VAR_DEBUG1(fmt, arg1) DEBUG1(VAR, fmt, arg1)
 #define VAR_DEBUG2(fmt, arg1, arg2) DEBUG2(VAR, fmt, arg1, arg2)
@@ -829,8 +829,7 @@
            goto out;
        }
        Buf_Empty(&v->val);
-       if (val)
-           Buf_AddStr(&v->val, val);
+       Buf_AddStr(&v->val, val);
 
        VAR_DEBUG3("%s:%s = %s\n", ctxt->name, name, val);
        if (v->flags & VAR_EXPORTED) {
@@ -843,12 +842,10 @@
      * Other than internals.
      */
     if (ctxt == VAR_CMDLINE && !(flags & VAR_NO_EXPORT) && name[0] != '.') {
-       if (v == NULL) {
-           /* we just added it */
-           v = VarFind(name, ctxt, 0);
-       }
-       if (v != NULL)
-           v->flags |= VAR_FROM_CMD;
+       if (v == NULL)
+           v = VarFind(name, ctxt, 0); /* we just added it */
+       v->flags |= VAR_FROM_CMD;
+
        /*
         * If requested, don't export these in the environment
         * individually.  We still put them in MAKEOVERRIDES so



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