[src/trunk]: src/usr.bin/make make(1): refactor JobDeleteTarget

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

details:   https://anonhg.NetBSD.org/src/rev/e1ee08e88256
branches:  trunk
changeset: 1015568:e1ee08e88256
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Oct 25 21:34:52 2020 +0000

description:
make(1): refactor JobDeleteTarget

Splitting the many conditions into separate pieces makes the code more
understandable.

diffstat:

 usr.bin/make/job.c |  24 ++++++++++++++++--------
 1 files changed, 16 insertions(+), 8 deletions(-)

diffs (45 lines):

diff -r f05ec70c6b88 -r e1ee08e88256 usr.bin/make/job.c
--- a/usr.bin/make/job.c        Sun Oct 25 21:31:00 2020 +0000
+++ b/usr.bin/make/job.c        Sun Oct 25 21:34:52 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: job.c,v 1.285 2020/10/25 20:34:05 rillig Exp $ */
+/*     $NetBSD: job.c,v 1.286 2020/10/25 21:34:52 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -143,7 +143,7 @@
 #include "trace.h"
 
 /*     "@(#)job.c      8.2 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: job.c,v 1.285 2020/10/25 20:34:05 rillig Exp $");
+MAKE_RCSID("$NetBSD: job.c,v 1.286 2020/10/25 21:34:52 rillig Exp $");
 
 /* A shell defines how the commands are run.  All commands for a target are
  * written into a single file, which is then given to the shell to execute
@@ -443,12 +443,20 @@
 static void
 JobDeleteTarget(GNode *gn)
 {
-       if ((gn->type & (OP_JOIN|OP_PHONY)) == 0 && !Targ_Precious(gn)) {
-           char *file = (gn->path == NULL ? gn->name : gn->path);
-           if (!noExecute && eunlink(file) != -1) {
-               Error("*** %s removed", file);
-           }
-       }
+    if (gn->type & OP_JOIN)
+       return;
+    if (gn->type & OP_PHONY)
+       return;
+    if (Targ_Precious(gn))
+       return;
+    if (noExecute)
+       return;
+
+    {
+       char *file = (gn->path == NULL ? gn->name : gn->path);
+       if (eunlink(file) != -1)
+           Error("*** %s removed", file);
+    }
 }
 
 /*