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[src/trunk]: src/usr.bin/make make(1): replace a few Lst_ForEachUntil with si...



details:   https://anonhg.NetBSD.org/src/rev/c58a39e3184f
branches:  trunk
changeset: 939387:c58a39e3184f
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Sep 26 16:55:58 2020 +0000

description:
make(1): replace a few Lst_ForEachUntil with simpler Lst_ForEach

diffstat:

 usr.bin/make/job.c   |    6 +-
 usr.bin/make/main.c  |    6 +-
 usr.bin/make/make.c  |  130 ++++++++++++++------------------------------------
 usr.bin/make/parse.c |    7 +-
 usr.bin/make/targ.c  |   24 +++-----
 5 files changed, 54 insertions(+), 119 deletions(-)

diffs (truncated from 507 to 300 lines):

diff -r 894e7a15d00c -r c58a39e3184f usr.bin/make/job.c
--- a/usr.bin/make/job.c        Sat Sep 26 16:41:42 2020 +0000
+++ b/usr.bin/make/job.c        Sat Sep 26 16:55:58 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: job.c,v 1.239 2020/09/26 16:00:12 rillig Exp $ */
+/*     $NetBSD: job.c,v 1.240 2020/09/26 16:55:58 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -140,7 +140,7 @@
 #include "trace.h"
 
 /*     "@(#)job.c      8.2 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: job.c,v 1.239 2020/09/26 16:00:12 rillig Exp $");
+MAKE_RCSID("$NetBSD: job.c,v 1.240 2020/09/26 16:55:58 rillig Exp $");
 
 # define STATIC static
 
@@ -655,7 +655,7 @@
  *     jobp            job for which to print it
  *
  * Results:
- *     Always 0, unless the command was "..."
+ *     0, unless the command was "..."
  *
  * Side Effects:
  *     If the command begins with a '-' and the shell has no error control,
diff -r 894e7a15d00c -r c58a39e3184f usr.bin/make/main.c
--- a/usr.bin/make/main.c       Sat Sep 26 16:41:42 2020 +0000
+++ b/usr.bin/make/main.c       Sat Sep 26 16:55:58 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.346 2020/09/26 16:00:12 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.347 2020/09/26 16:55:58 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -126,7 +126,7 @@
 #endif
 
 /*     "@(#)main.c     8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: main.c,v 1.346 2020/09/26 16:00:12 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.347 2020/09/26 16:55:58 rillig Exp $");
 #if defined(MAKE_NATIVE) && !defined(lint)
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993\
  The Regents of the University of California.  All rights reserved.");
@@ -1969,7 +1969,7 @@
 
 
 static int
-addErrorCMD(void *cmdp, void *gnp)
+addErrorCMD(void *cmdp, void *unused)
 {
     if (cmdp == NULL)
        return 1;                       /* stop */
diff -r 894e7a15d00c -r c58a39e3184f usr.bin/make/make.c
--- a/usr.bin/make/make.c       Sat Sep 26 16:41:42 2020 +0000
+++ b/usr.bin/make/make.c       Sat Sep 26 16:55:58 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: make.c,v 1.145 2020/09/26 16:00:12 rillig Exp $        */
+/*     $NetBSD: make.c,v 1.146 2020/09/26 16:55:58 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 1.145 2020/09/26 16:00:12 rillig Exp $");
+MAKE_RCSID("$NetBSD: make.c,v 1.146 2020/09/26 16:55:58 rillig Exp $");
 
 static unsigned int checked = 1;/* Sequence # to detect recursion */
 static GNodeList *toBeMade;    /* The current fringe of the graph. These
@@ -116,14 +116,11 @@
                                 * Make_Update and subtracted from by
                                 * MakeStartJobs */
 
-static int MakeAddChild(void *, void *);
-static int MakeFindChild(void *, void *);
-static int MakeHandleUse(void *, void *);
 static Boolean MakeStartJobs(void);
 static int MakePrintStatus(void *, void *);
 static int MakeCheckOrder(void *, void *);
 static int MakeBuildChild(void *, void *);
-static int MakeBuildParent(void *, void *);
+static void MakeBuildParent(void *, void *);
 
 MAKE_ATTR_DEAD static void
 make_abort(GNode *gn, int line)
@@ -378,14 +375,11 @@
  *     gnp             the node to add
  *     lp              the list to which to add it
  *
- * Results:
- *     Always returns 0
- *
  * Side Effects:
  *     The given list is extended
  *-----------------------------------------------------------------------
  */
-static int
+static void
 MakeAddChild(void *gnp, void *lp)
 {
     GNode *gn = gnp;
@@ -397,7 +391,6 @@
                gn->name, gn->cohort_num);
        Lst_Enqueue(l, gn);
     }
-    return 0;
 }
 
 /*-
@@ -409,15 +402,12 @@
  * Input:
  *     gnp             the node to find
  *
- * Results:
- *     Always returns 0
- *
  * Side Effects:
  *     The path and mtime of the node and the cmgn of the parent are
  *     updated; the unmade children count of the parent is decremented.
  *-----------------------------------------------------------------------
  */
-static int
+static void
 MakeFindChild(void *gnp, void *pgnp)
 {
     GNode          *gn = (GNode *)gnp;
@@ -426,8 +416,6 @@
     (void)Dir_MTime(gn, 0);
     Make_TimeStamp(pgn, gn);
     pgn->unmade--;
-
-    return 0;
 }
 
 /* Called by Make_Run and SuffApplyTransform on the downward pass to handle
@@ -497,28 +485,20 @@
     pgn->type |= cgn->type & ~(OP_OPMASK|OP_USE|OP_USEBEFORE|OP_TRANSFORM);
 }
 
-/*-
- *-----------------------------------------------------------------------
- * MakeHandleUse --
- *     Callback function for Lst_ForEachUntil, used by Make_Run on the downward
- *     pass to handle .USE nodes. Should be called before the children
- *     are enqueued to be looked at by MakeAddChild.
- *     This function calls Make_HandleUse to copy the .USE node's commands,
- *     type flags and children to the parent node.
+/* Callback function for Lst_ForEachUntil, used by Make_Run on the downward
+ * pass to handle .USE nodes. Should be called before the children
+ * are enqueued to be looked at by MakeAddChild.
+ * This function calls Make_HandleUse to copy the .USE node's commands,
+ * type flags and children to the parent node.
  *
  * Input:
  *     cgnp            the child we've just examined
  *     pgnp            the current parent
  *
- * Results:
- *     returns 0.
- *
  * Side Effects:
  *     After expansion, .USE child nodes are removed from the parent
- *
- *-----------------------------------------------------------------------
  */
-static int
+static void
 MakeHandleUse(void *cgnp, void *pgnp)
 {
     GNode      *cgn = (GNode *)cgnp;
@@ -530,7 +510,7 @@
     cgn->type |= OP_MARK;
 
     if ((cgn->type & (OP_USE|OP_USEBEFORE)) == 0)
-       return 0;
+       return;
 
     if (unmarked)
        Make_HandleUse(cgn, pgn);
@@ -546,7 +526,6 @@
        Lst_Remove(pgn->children, ln);
        pgn->unmade--;
     }
-    return 0;
 }
 
 
@@ -716,7 +695,7 @@
     parents = centurion->parents;
 
     /* If this was a .ORDER node, schedule the RHS */
-    Lst_ForEachUntil(centurion->order_succ, MakeBuildParent, Lst_First(toBeMade));
+    Lst_ForEach(centurion->order_succ, MakeBuildParent, Lst_First(toBeMade));
 
     /* Now mark all the parents as having one less unmade child */
     Lst_Open(parents);
@@ -971,23 +950,6 @@
     gn->flags |= DONE_ALLSRC;
 }
 
-/*-
- *-----------------------------------------------------------------------
- * MakeStartJobs --
- *     Start as many jobs as possible.
- *
- * Results:
- *     If the query flag was given to pmake, no job will be started,
- *     but as soon as an out-of-date target is found, this function
- *     returns TRUE. At all other times, this function returns FALSE.
- *
- * Side Effects:
- *     Nodes are removed from the toBeMade queue and job table slots
- *     are filled.
- *
- *-----------------------------------------------------------------------
- */
-
 static int
 MakeCheckOrder(void *v_bn, void *ignore MAKE_ATTR_UNUSED)
 {
@@ -1041,22 +1003,26 @@
 }
 
 /* When a .ORDER LHS node completes we do this on each RHS */
-static int
+static void
 MakeBuildParent(void *v_pn, void *toBeMade_next)
 {
     GNode *pn = v_pn;
 
     if (pn->made != DEFERRED)
-       return 0;
+       return;
 
     if (MakeBuildChild(pn, toBeMade_next) == 0) {
        /* Mark so that when this node is built we reschedule its parents */
        pn->flags |= DONE_ORDER;
     }
-
-    return 0;
 }
 
+/* Start as many jobs as possible, taking them from the toBeMade queue.
+ *
+ * If the query flag was given to pmake, no job will be started,
+ * but as soon as an out-of-date target is found, this function
+ * returns TRUE. At all other times, this function returns FALSE.
+ */
 static Boolean
 MakeStartJobs(void)
 {
@@ -1139,25 +1105,7 @@
     return FALSE;
 }
 
-/*-
- *-----------------------------------------------------------------------
- * MakePrintStatus --
- *     Print the status of a top-level node, viz. it being up-to-date
- *     already or not created due to an error in a lower level.
- *     Callback function for Make_Run via Lst_ForEachUntil.
- *
- * Input:
- *     gnp             Node to examine
- *
- * Results:
- *     Always returns 0.
- *
- * Side Effects:
- *     A message may be printed.
- *
- *-----------------------------------------------------------------------
- */
-static int
+static void
 MakePrintStatusOrder(void *ognp, void *gnp)
 {
     GNode *ogn = ognp;
@@ -1165,7 +1113,7 @@
 
     if (!(ogn->flags & REMAKE) || ogn->made > REQUESTED)
        /* not waiting for this one */
-       return 0;
+       return;
 
     printf("    `%s%s' has .ORDER dependency against %s%s ",
            gn->name, gn->cohort_num, ogn->name, ogn->cohort_num);
@@ -1176,9 +1124,14 @@
                gn->name, gn->cohort_num, ogn->name, ogn->cohort_num);
        GNode_FprintDetails(debug_file, "(", ogn, ")\n");
     }
-    return 0;
 }
 
+/* Print the status of a top-level node, viz. it being up-to-date
+ * already or not created due to an error in a lower level.
+ *



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