[src/trunk]: src/usr.bin/make make(1): reduce memory allocation in Make_Proce...

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

details:   https://anonhg.NetBSD.org/src/rev/8a03d7c745cd
branches:  trunk
changeset: 957455:8a03d7c745cd
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Nov 28 23:48:36 2020 +0000

description:
make(1): reduce memory allocation in Make_ProcessWait

diffstat:

 usr.bin/make/make.c |  20 ++++++++++----------
 1 files changed, 10 insertions(+), 10 deletions(-)

diffs (69 lines):

diff -r feb4c6cf3729 -r 8a03d7c745cd usr.bin/make/make.c
--- a/usr.bin/make/make.c       Sat Nov 28 23:45:25 2020 +0000
+++ b/usr.bin/make/make.c       Sat Nov 28 23:48:36 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.c,v 1.224 2020/11/28 23:45:25 rillig Exp $        */
+/*     $NetBSD: make.c,v 1.225 2020/11/28 23:48:36 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -102,7 +102,7 @@
 #include "job.h"
 
 /*     "@(#)make.c     8.1 (Berkeley) 6/6/93"  */
-MAKE_RCSID("$NetBSD: make.c,v 1.224 2020/11/28 23:45:25 rillig Exp $");
+MAKE_RCSID("$NetBSD: make.c,v 1.225 2020/11/28 23:48:36 rillig Exp $");
 
 /* Sequence # to detect recursion. */
 static unsigned int checked_seqno = 1;
@@ -1229,7 +1229,7 @@
 {
     GNode  *pgn;               /* 'parent' node we are examining */
     GNodeListNode *owln;       /* Previous .WAIT node */
-    GNodeList *examine;                /* List of targets to examine */
+    GNodeList examine;         /* List of targets to examine */
 
     /*
      * We need all the nodes to have a common parent in order for the
@@ -1257,13 +1257,13 @@
     /* Start building with the 'dummy' .MAIN' node */
     MakeBuildChild(pgn, NULL);
 
-    examine = Lst_New();
-    Lst_Append(examine, pgn);
+    Lst_Init(&examine);
+    Lst_Append(&examine, pgn);
 
-    while (!Lst_IsEmpty(examine)) {
+    while (!Lst_IsEmpty(&examine)) {
        GNodeListNode *ln;
 
-       pgn = Lst_Dequeue(examine);
+       pgn = Lst_Dequeue(&examine);
 
        /* We only want to process each child-list once */
        if (pgn->flags & DONE_WAIT)
@@ -1272,7 +1272,7 @@
        DEBUG1(MAKE, "Make_ProcessWait: examine %s\n", pgn->name);
 
        if (pgn->type & OP_DOUBLEDEP)
-           Lst_PrependAll(examine, &pgn->cohorts);
+           Lst_PrependAll(&examine, &pgn->cohorts);
 
        owln = pgn->children.first;
        for (ln = pgn->children.first; ln != NULL; ln = ln->next) {
@@ -1281,12 +1281,12 @@
                add_wait_dependency(owln, cgn);
                owln = ln;
            } else {
-               Lst_Append(examine, cgn);
+               Lst_Append(&examine, cgn);
            }
        }
     }
 
-    Lst_Free(examine);
+    Lst_Done(&examine);
 }
 
 /*-