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[src/trunk]: src/usr.bin/make make(1): extract InitMaxJobs from main



details:   https://anonhg.NetBSD.org/src/rev/12d71b5a04ec
branches:  trunk
changeset: 956363:12d71b5a04ec
user:      rillig <rillig%NetBSD.org@localhost>
date:      Tue Oct 27 19:16:46 2020 +0000

description:
make(1): extract InitMaxJobs from main

diffstat:

 usr.bin/make/main.c |  59 +++++++++++++++++++++++++++++++---------------------
 1 files changed, 35 insertions(+), 24 deletions(-)

diffs (87 lines):

diff -r 48be51124eca -r 12d71b5a04ec usr.bin/make/main.c
--- a/usr.bin/make/main.c       Tue Oct 27 18:16:19 2020 +0000
+++ b/usr.bin/make/main.c       Tue Oct 27 19:16:46 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.407 2020/10/27 18:16:19 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.408 2020/10/27 19:16:46 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -118,7 +118,7 @@
 #include "trace.h"
 
 /*     "@(#)main.c     8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: main.c,v 1.407 2020/10/27 18:16:19 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.408 2020/10/27 19:16:46 rillig Exp $");
 #if defined(MAKE_NATIVE) && !defined(lint)
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
            "The Regents of the University of California.  "
@@ -1194,6 +1194,38 @@
        /* XXX: sysMkPath is not freed */
 }
 
+static void
+InitMaxJobs(void)
+{
+       char *value;
+       int n;
+
+       if (forceJobs || opts.compatMake ||
+           !Var_Exists(".MAKE.JOBS", VAR_GLOBAL))
+               return;
+
+       (void)Var_Subst("${.MAKE.JOBS}", VAR_GLOBAL, VARE_WANTRES, &value);
+       /* TODO: handle errors */
+       n = (int)strtol(value, NULL, 0);
+       if (n < 1) {
+               (void)fprintf(stderr,
+                             "%s: illegal value for .MAKE.JOBS "
+                             "-- must be positive integer!\n",
+                             progname);
+               exit(1);
+       }
+
+       if (n != opts.maxJobs) {
+               Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
+               Var_Append(MAKEFLAGS, value, VAR_GLOBAL);
+       }
+
+       opts.maxJobs = n;
+       maxJobTokens = opts.maxJobs;
+       forceJobs = TRUE;
+       free(value);
+}
+
 /*
  * For compatibility, look at the directories in the VPATH variable
  * and add them to the search path, if the variable is defined. The
@@ -1515,28 +1547,7 @@
        Var_Append("MFLAGS", Var_Value(MAKEFLAGS, VAR_GLOBAL, &p1), VAR_GLOBAL);
        bmake_free(p1);
 
-       if (!forceJobs && !opts.compatMake &&
-           Var_Exists(".MAKE.JOBS", VAR_GLOBAL)) {
-           char *value;
-           int n;
-
-           (void)Var_Subst("${.MAKE.JOBS}", VAR_GLOBAL, VARE_WANTRES, &value);
-           /* TODO: handle errors */
-           n = (int)strtol(value, NULL, 0);
-           if (n < 1) {
-               (void)fprintf(stderr, "%s: illegal value for .MAKE.JOBS -- must be positive integer!\n",
-                   progname);
-               exit(1);
-           }
-           if (n != opts.maxJobs) {
-               Var_Append(MAKEFLAGS, "-j", VAR_GLOBAL);
-               Var_Append(MAKEFLAGS, value, VAR_GLOBAL);
-           }
-           opts.maxJobs = n;
-           maxJobTokens = opts.maxJobs;
-           forceJobs = TRUE;
-           free(value);
-       }
+       InitMaxJobs();
 
        /*
         * Be compatible if user did not specify -j and did not explicitly



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