[src/trunk]: src/usr.bin/make make(1): replace SuffGNHasName with FindTransfo...

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

details:   https://anonhg.NetBSD.org/src/rev/b2dd64524ce9
branches:  trunk
changeset: 956104:b2dd64524ce9
user:      rillig <rillig%NetBSD.org@localhost>
date:      Wed Oct 21 07:57:41 2020 +0000

description:
make(1): replace SuffGNHasName with FindTransformByName

diffstat:

 usr.bin/make/suff.c |  48 ++++++++++++++++++++++++------------------------
 1 files changed, 24 insertions(+), 24 deletions(-)

diffs (123 lines):

diff -r 51ef48e4749e -r b2dd64524ce9 usr.bin/make/suff.c
--- a/usr.bin/make/suff.c       Wed Oct 21 07:46:22 2020 +0000
+++ b/usr.bin/make/suff.c       Wed Oct 21 07:57:41 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: suff.c,v 1.209 2020/10/21 07:42:36 rillig Exp $        */
+/*     $NetBSD: suff.c,v 1.210 2020/10/21 07:57:41 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -129,7 +129,7 @@
 #include "dir.h"
 
 /*     "@(#)suff.c     8.4 (Berkeley) 3/21/94" */
-MAKE_RCSID("$NetBSD: suff.c,v 1.209 2020/10/21 07:42:36 rillig Exp $");
+MAKE_RCSID("$NetBSD: suff.c,v 1.210 2020/10/21 07:57:41 rillig Exp $");
 
 #define SUFF_DEBUG0(text) DEBUG0(SUFF, text)
 #define SUFF_DEBUG1(fmt, arg1) DEBUG1(SUFF, fmt, arg1)
@@ -285,11 +285,16 @@
     return NULL;
 }
 
-/* See if the graph node has the desired name. */
-static Boolean
-SuffGNHasName(const void *gn, const void *desiredName)
+static GNode *
+FindTransformByName(const char *name)
 {
-    return strcmp(((const GNode *)gn)->name, desiredName) == 0;
+    GNodeListNode *ln;
+    for (ln = transforms->first; ln != NULL; ln = ln->next) {
+        GNode *gn = ln->datum;
+        if (strcmp(gn->name, name) == 0)
+            return gn;
+    }
+    return NULL;
 }
 
            /*********** Maintenance Functions ************/
@@ -476,34 +481,32 @@
     return SuffParseTransform(str, &src, &targ);
 }
 
-/* Add the transformation rule described by the line to the list of rules
- * and place the transformation itself in the graph.
+/* Add the transformation rule to the list of rules and place the
+ * transformation itself in the graph.
  *
- * The node is placed on the end of the transforms Lst and links are made
- * between the two suffixes mentioned in the target name.
-
+ * The transformation is linked to the two suffixes mentioned in the name.
+ *
  * Input:
- *     line            name of transformation to add
+ *     name            must have the form ".from.to" or just ".from"
  *
  * Results:
- *     The node created for the transformation in the transforms list
+ *     The created or existing transformation node in the transforms list
  */
 GNode *
-Suff_AddTransform(const char *line)
+Suff_AddTransform(const char *name)
 {
     GNode         *gn;         /* GNode of transformation rule */
     Suff          *s,          /* source suffix */
                  *t;           /* target suffix */
-    GNodeListNode *ln;         /* Node for existing transformation */
     Boolean ok;
 
-    ln = Lst_Find(transforms, SuffGNHasName, line);
-    if (ln == NULL) {
+    gn = FindTransformByName(name);
+    if (gn == NULL) {
        /*
         * Make a new graph node for the transformation. It will be filled in
         * by the Parse module.
         */
-       gn = Targ_NewGN(line);
+       gn = Targ_NewGN(name);
        Lst_Append(transforms, gn);
     } else {
        /*
@@ -512,7 +515,6 @@
         * free the commands themselves, because a given command can be
         * attached to several different transformations.
         */
-       gn = ln->datum;
        Lst_Free(gn->commands);
        Lst_Free(gn->children);
        gn->commands = Lst_New();
@@ -521,7 +523,7 @@
 
     gn->type = OP_TRANSFORM;
 
-    ok = SuffParseTransform(line, &s, &t);
+    ok = SuffParseTransform(name, &s, &t);
     assert(ok);
     (void)ok;
 
@@ -1400,10 +1402,10 @@
      * Locate the transformation rule itself
      */
     tname = str_concat2(s->name, t->name);
-    ln = Lst_Find(transforms, SuffGNHasName, tname);
+    gn = FindTransformByName(tname);
     free(tname);
 
-    if (ln == NULL) {
+    if (gn == NULL) {
        /*
         * Not really such a transformation rule (can happen when we're
         * called to link an OP_MEMBER and OP_ARCHV node), so return
@@ -1412,8 +1414,6 @@
        return FALSE;
     }
 
-    gn = ln->datum;
-
     SUFF_DEBUG3("\tapplying %s -> %s to \"%s\"\n", s->name, t->name, tGn->name);
 
     /*