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



details:   https://anonhg.NetBSD.org/src/rev/7b2f58633be9
branches:  trunk
changeset: 957461:7b2f58633be9
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Nov 29 01:10:08 2020 +0000

description:
make(1): reduce memory allocation in suffix rule handling

diffstat:

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

diffs (83 lines):

diff -r 27ee8522fb8e -r 7b2f58633be9 usr.bin/make/suff.c
--- a/usr.bin/make/suff.c       Sun Nov 29 01:05:08 2020 +0000
+++ b/usr.bin/make/suff.c       Sun Nov 29 01:10:08 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: suff.c,v 1.316 2020/11/29 00:54:43 rillig Exp $        */
+/*     $NetBSD: suff.c,v 1.317 2020/11/29 01:10:08 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -114,7 +114,7 @@
 #include "dir.h"
 
 /*     "@(#)suff.c     8.4 (Berkeley) 3/21/94" */
-MAKE_RCSID("$NetBSD: suff.c,v 1.316 2020/11/29 00:54:43 rillig Exp $");
+MAKE_RCSID("$NetBSD: suff.c,v 1.317 2020/11/29 01:10:08 rillig Exp $");
 
 #define SUFF_DEBUG0(text) DEBUG0(SUFF, text)
 #define SUFF_DEBUG1(fmt, arg1) DEBUG1(SUFF, fmt, arg1)
@@ -205,7 +205,7 @@
      * don't free this candidate too early or too late. */
     int numChildren;
 #ifdef DEBUG_SRC
-    CandidateList *childrenList;
+    CandidateList childrenList;
 #endif
 } Candidate;
 
@@ -960,7 +960,7 @@
     cand->node = gn;
     cand->numChildren = 0;
 #ifdef DEBUG_SRC
-    cand->childrenList = Lst_New();
+    Lst_Init(&cand->childrenList);
 #endif
 
     return cand;
@@ -976,7 +976,7 @@
     Lst_Append(list, cand);
 
 #ifdef DEBUG_SRC
-    Lst_Append(targ->childrenList, cand);
+    Lst_Append(&targ->childrenList, cand);
     debug_printf("%s add suff %p:%s candidate %p:%s to list %p:",
                 debug_tag, targ, targ->file, cand, cand->file, list);
     CandidateList_PrintAddrs(list);
@@ -1029,16 +1029,16 @@
 #ifdef DEBUG_SRC
                /* XXX: Lst_RemoveDatum */
                CandidateListNode *ln2;
-               ln2 = Lst_FindDatum(src->parent->childrenList, src);
+               ln2 = Lst_FindDatum(&src->parent->childrenList, src);
                if (ln2 != NULL)
-                   Lst_Remove(src->parent->childrenList, ln2);
+                   Lst_Remove(&src->parent->childrenList, ln2);
 #endif
                src->parent->numChildren--;
            }
 #ifdef DEBUG_SRC
            debug_printf("free: list %p src %p:%s children %d\n",
                         srcs, src, src->file, src->numChildren);
-           Lst_Free(src->childrenList);
+           Lst_Done(&src->childrenList);
 #endif
            Lst_Remove(srcs, ln);
            free(src);
@@ -1048,7 +1048,7 @@
        else {
            debug_printf("keep: list %p src %p:%s children %d:",
                         srcs, src, src->file, src->numChildren);
-           CandidateList_PrintAddrs(src->childrenList);
+           CandidateList_PrintAddrs(&src->childrenList);
        }
 #endif
     }
@@ -1171,7 +1171,7 @@
 #ifdef DEBUG_SRC
     debug_printf("3 add targ %p:%s ret %p:%s\n",
                 targ, targ->file, ret, ret->file);
-    Lst_Append(targ->childrenList, ret);
+    Lst_Append(&targ->childrenList, ret);
 #endif
     CandidateSearcher_Add(cs, ret);
     SUFF_DEBUG1("\tusing existing source %s\n", sgn->name);



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