[src/trunk]: src/usr.bin/make make(1): inline Lst_Copy in Make_ExpandUse

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

details:   https://anonhg.NetBSD.org/src/rev/f7e966e9ad0e
branches:  trunk
changeset: 977489:f7e966e9ad0e
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Oct 25 10:07:23 2020 +0000

description:
make(1): inline Lst_Copy in Make_ExpandUse

diffstat:

 usr.bin/make/lst.c  |  23 ++---------------------
 usr.bin/make/lst.h  |   8 +-------
 usr.bin/make/make.c |  14 +++++++++++---
 3 files changed, 14 insertions(+), 31 deletions(-)

diffs (108 lines):

diff -r bbbdc2d20f5a -r f7e966e9ad0e usr.bin/make/lst.c
--- a/usr.bin/make/lst.c        Sun Oct 25 10:00:20 2020 +0000
+++ b/usr.bin/make/lst.c        Sun Oct 25 10:07:23 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lst.c,v 1.87 2020/10/24 10:36:23 rillig Exp $ */
+/* $NetBSD: lst.c,v 1.88 2020/10/25 10:07:23 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -34,7 +34,7 @@
 
 #include "make.h"
 
-MAKE_RCSID("$NetBSD: lst.c,v 1.87 2020/10/24 10:36:23 rillig Exp $");
+MAKE_RCSID("$NetBSD: lst.c,v 1.88 2020/10/25 10:07:23 rillig Exp $");
 
 static ListNode *
 LstNodeNew(ListNode *prev, ListNode *next, void *datum)
@@ -58,25 +58,6 @@
     return list;
 }
 
-/* Duplicate an entire list, usually by copying the datum pointers.
- * If copyProc is given, that function is used to create the new datum from the
- * old datum, usually by creating a copy of it. */
-List *
-Lst_Copy(List *list, LstCopyProc copyProc)
-{
-    List *newList;
-    ListNode *node;
-
-    newList = Lst_New();
-
-    for (node = list->first; node != NULL; node = node->next) {
-       void *datum = copyProc != NULL ? copyProc(node->datum) : node->datum;
-       Lst_Append(newList, datum);
-    }
-
-    return newList;
-}
-
 /* Free a list and all its nodes. The node data are not freed though. */
 void
 Lst_Free(List *list)
diff -r bbbdc2d20f5a -r f7e966e9ad0e usr.bin/make/lst.h
--- a/usr.bin/make/lst.h        Sun Oct 25 10:00:20 2020 +0000
+++ b/usr.bin/make/lst.h        Sun Oct 25 10:07:23 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: lst.h,v 1.79 2020/10/24 10:36:23 rillig Exp $  */
+/*     $NetBSD: lst.h,v 1.80 2020/10/25 10:07:23 rillig Exp $  */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -102,10 +102,6 @@
     ListNode *last;            /* last node in list */
 };
 
-/* Copy a node, usually by allocating a copy of the given object.
- * For reference-counted objects, the original object may need to be
- * modified, therefore the parameter is not const. */
-typedef void *LstCopyProc(void *);
 /* Free the datum of a node, called before freeing the node itself. */
 typedef void LstFreeProc(void *);
 /* An action for Lst_ForEachUntil and Lst_ForEachUntilConcurrent. */
@@ -115,8 +111,6 @@
 
 /* Create a new list. */
 List *Lst_New(void);
-/* Duplicate an existing list. */
-List *Lst_Copy(List *, LstCopyProc);
 /* Free the list, leaving the node data unmodified. */
 void Lst_Free(List *);
 /* Free the list, freeing the node data using the given function. */
diff -r bbbdc2d20f5a -r f7e966e9ad0e usr.bin/make/make.c
--- a/usr.bin/make/make.c       Sun Oct 25 10:00:20 2020 +0000
+++ b/usr.bin/make/make.c       Sun Oct 25 10:07:23 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.c,v 1.178 2020/10/23 19:48:17 rillig Exp $        */
+/*     $NetBSD: make.c,v 1.179 2020/10/25 10:07:23 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -107,7 +107,7 @@
 #include    "job.h"
 
 /*     "@(#)make.c     8.1 (Berkeley) 6/6/93"  */
-MAKE_RCSID("$NetBSD: make.c,v 1.178 2020/10/23 19:48:17 rillig Exp $");
+MAKE_RCSID("$NetBSD: make.c,v 1.179 2020/10/25 10:07:23 rillig Exp $");
 
 /* Sequence # to detect recursion. */
 static unsigned int checked = 1;
@@ -1126,7 +1126,15 @@
 {
     GNodeList *examine;                /* List of targets to examine */
 
-    examine = Lst_Copy(targs, NULL);
+    {
+        /* XXX: Why is it necessary to copy the list? There shouldn't be
+         * any modifications to the list, at least the function name
+         * ExpandUse doesn't suggest that. */
+       GNodeListNode *ln;
+       examine = Lst_New();
+       for (ln = targs->first; ln != NULL; ln = ln->next)
+           Lst_Append(examine, ln->datum);
+    }
 
     /*
      * Make an initial downward pass over the graph, marking nodes to be made