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[src/trunk]: src/usr.bin/make make(1): remove initial size argument from Hash...



details:   https://anonhg.NetBSD.org/src/rev/a7d74b3269d1
branches:  trunk
changeset: 943522:a7d74b3269d1
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Sep 05 13:55:08 2020 +0000

description:
make(1): remove initial size argument from Hash_InitTable

In all but one case this argument was set to auto-detect anyway.  The
one case where it was set was not worth keeping this complicated API.

diffstat:

 usr.bin/make/arch.c |   8 ++++----
 usr.bin/make/dir.c  |  14 +++++++-------
 usr.bin/make/hash.c |  33 ++++++++++-----------------------
 usr.bin/make/hash.h |   4 ++--
 usr.bin/make/targ.c |  10 +++++-----
 5 files changed, 28 insertions(+), 41 deletions(-)

diffs (219 lines):

diff -r c70230484718 -r a7d74b3269d1 usr.bin/make/arch.c
--- a/usr.bin/make/arch.c       Sat Sep 05 13:41:00 2020 +0000
+++ b/usr.bin/make/arch.c       Sat Sep 05 13:55:08 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: arch.c,v 1.107 2020/08/30 11:15:05 rillig Exp $        */
+/*     $NetBSD: arch.c,v 1.108 2020/09/05 13:55:08 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: arch.c,v 1.107 2020/08/30 11:15:05 rillig Exp $";
+static char rcsid[] = "$NetBSD: arch.c,v 1.108 2020/09/05 13:55:08 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)arch.c     8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: arch.c,v 1.107 2020/08/30 11:15:05 rillig Exp $");
+__RCSID("$NetBSD: arch.c,v 1.108 2020/09/05 13:55:08 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -572,7 +572,7 @@
     ar->name = bmake_strdup(archive);
     ar->fnametab = NULL;
     ar->fnamesize = 0;
-    Hash_InitTable(&ar->members, -1);
+    Hash_InitTable(&ar->members);
     memName[AR_MAX_NAME_LEN] = '\0';
 
     while (fread((char *)&arh, sizeof(struct ar_hdr), 1, arch) == 1) {
diff -r c70230484718 -r a7d74b3269d1 usr.bin/make/dir.c
--- a/usr.bin/make/dir.c        Sat Sep 05 13:41:00 2020 +0000
+++ b/usr.bin/make/dir.c        Sat Sep 05 13:55:08 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dir.c,v 1.135 2020/09/02 04:32:13 rillig Exp $ */
+/*     $NetBSD: dir.c,v 1.136 2020/09/05 13:55:08 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -70,14 +70,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: dir.c,v 1.135 2020/09/02 04:32:13 rillig Exp $";
+static char rcsid[] = "$NetBSD: dir.c,v 1.136 2020/09/05 13:55:08 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)dir.c      8.2 (Berkeley) 1/2/94";
 #else
-__RCSID("$NetBSD: dir.c,v 1.135 2020/09/02 04:32:13 rillig Exp $");
+__RCSID("$NetBSD: dir.c,v 1.136 2020/09/05 13:55:08 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -358,8 +358,8 @@
 {
     dirSearchPath = Lst_Init();
     openDirectories = Lst_Init();
-    Hash_InitTable(&mtimes, 0);
-    Hash_InitTable(&lmtimes, 0);
+    Hash_InitTable(&mtimes);
+    Hash_InitTable(&lmtimes);
 }
 
 void
@@ -371,7 +371,7 @@
     dotLast->refCount = 1;
     dotLast->hits = 0;
     dotLast->name = bmake_strdup(".DOTLAST");
-    Hash_InitTable(&dotLast->files, -1);
+    Hash_InitTable(&dotLast->files);
 }
 
 /*
@@ -1547,7 +1547,7 @@
        p->name = bmake_strdup(name);
        p->hits = 0;
        p->refCount = 1;
-       Hash_InitTable(&p->files, -1);
+       Hash_InitTable(&p->files);
 
        while ((dp = readdir(d)) != NULL) {
 #if defined(sun) && defined(d_ino) /* d_ino is a sunos4 #define for d_fileno */
diff -r c70230484718 -r a7d74b3269d1 usr.bin/make/hash.c
--- a/usr.bin/make/hash.c       Sat Sep 05 13:41:00 2020 +0000
+++ b/usr.bin/make/hash.c       Sat Sep 05 13:55:08 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: hash.c,v 1.30 2020/09/05 13:36:25 rillig Exp $ */
+/*     $NetBSD: hash.c,v 1.31 2020/09/05 13:55:08 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -70,14 +70,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: hash.c,v 1.30 2020/09/05 13:36:25 rillig Exp $";
+static char rcsid[] = "$NetBSD: hash.c,v 1.31 2020/09/05 13:55:08 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)hash.c     8.1 (Berkeley) 6/6/93";
 #else
-__RCSID("$NetBSD: hash.c,v 1.30 2020/09/05 13:36:25 rillig Exp $");
+__RCSID("$NetBSD: hash.c,v 1.31 2020/09/05 13:55:08 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -120,33 +120,20 @@
  *
  * Input:
  *     t               Structure to to hold the table.
- *     numBuckets      How many buckets to create for starters. This
- *                     number is rounded up to a power of two.   If
- *                     <= 0, a reasonable default is chosen. The
- *                     table will grow in size later as needed.
  */
 void
-Hash_InitTable(Hash_Table *t, int numBuckets)
+Hash_InitTable(Hash_Table *t)
 {
-       int i;
+       size_t n = 16, i;
        struct Hash_Entry **hp;
 
-       /*
-        * Round up the size to a power of two.
-        */
-       if (numBuckets <= 0)
-               i = 16;
-       else {
-               for (i = 2; i < numBuckets; i <<= 1)
-                        continue;
-       }
        t->numEntries = 0;
        t->maxchain = 0;
-       t->bucketsSize = i;
-       t->bucketsMask = i - 1;
-       t->buckets = hp = bmake_malloc(sizeof(*hp) * i);
-       while (--i >= 0)
-               *hp++ = NULL;
+       t->bucketsSize = n;
+       t->bucketsMask = n - 1;
+       t->buckets = hp = bmake_malloc(sizeof(*hp) * n);
+       for (i = 0; i < n; i++)
+               hp[i] = NULL;
 }
 
 /* Removes everything from the hash table and frees up the memory space it
diff -r c70230484718 -r a7d74b3269d1 usr.bin/make/hash.h
--- a/usr.bin/make/hash.h       Sat Sep 05 13:41:00 2020 +0000
+++ b/usr.bin/make/hash.h       Sat Sep 05 13:55:08 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: hash.h,v 1.21 2020/09/01 21:11:31 rillig Exp $ */
+/*     $NetBSD: hash.h,v 1.22 2020/09/05 13:55:08 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -118,7 +118,7 @@
     h->value = datum;
 }
 
-void Hash_InitTable(Hash_Table *, int);
+void Hash_InitTable(Hash_Table *);
 void Hash_DeleteTable(Hash_Table *);
 Hash_Entry *Hash_FindEntry(Hash_Table *, const char *);
 Hash_Entry *Hash_CreateEntry(Hash_Table *, const char *, Boolean *);
diff -r c70230484718 -r a7d74b3269d1 usr.bin/make/targ.c
--- a/usr.bin/make/targ.c       Sat Sep 05 13:41:00 2020 +0000
+++ b/usr.bin/make/targ.c       Sat Sep 05 13:55:08 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: targ.c,v 1.82 2020/09/05 06:46:12 rillig Exp $ */
+/*     $NetBSD: targ.c,v 1.83 2020/09/05 13:55:08 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: targ.c,v 1.82 2020/09/05 06:46:12 rillig Exp $";
+static char rcsid[] = "$NetBSD: targ.c,v 1.83 2020/09/05 13:55:08 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)targ.c     8.2 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: targ.c,v 1.82 2020/09/05 06:46:12 rillig Exp $");
+__RCSID("$NetBSD: targ.c,v 1.83 2020/09/05 13:55:08 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -150,7 +150,7 @@
 Targ_Init(void)
 {
     allTargets = Lst_Init();
-    Hash_InitTable(&targets, 191);
+    Hash_InitTable(&targets);
 }
 
 void
@@ -209,7 +209,7 @@
     gn->children =     Lst_Init();
     gn->order_pred =   Lst_Init();
     gn->order_succ =   Lst_Init();
-    Hash_InitTable(&gn->context, 0);
+    Hash_InitTable(&gn->context);
     gn->commands =     Lst_Init();
     gn->suffix =       NULL;
     gn->fname =        NULL;



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