[src/trunk]: src/usr.bin/make make(1): inline Lst_ForEachUntil in ReadBuiltin...

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

details:   https://anonhg.NetBSD.org/src/rev/c4337dfa12c8
branches:  trunk
changeset: 942459:c4337dfa12c8
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Nov 08 12:02:16 2020 +0000

description:
make(1): inline Lst_ForEachUntil in ReadBuiltinRules

The list of expanded filenames for sys.mk is freed in the end, but not
the filenames themselves, as these are still needed.

diffstat:

 usr.bin/make/main.c |  22 ++++++++++++++++------
 1 files changed, 16 insertions(+), 6 deletions(-)

diffs (49 lines):

diff -r afb4a297b6ad -r c4337dfa12c8 usr.bin/make/main.c
--- a/usr.bin/make/main.c       Sun Nov 08 11:57:49 2020 +0000
+++ b/usr.bin/make/main.c       Sun Nov 08 12:02:16 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: main.c,v 1.444 2020/11/08 08:53:22 rillig Exp $        */
+/*     $NetBSD: main.c,v 1.445 2020/11/08 12:02:16 rillig Exp $        */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -109,7 +109,7 @@
 #include "trace.h"
 
 /*     "@(#)main.c     8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: main.c,v 1.444 2020/11/08 08:53:22 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.445 2020/11/08 12:02:16 rillig Exp $");
 #if defined(MAKE_NATIVE) && !defined(lint)
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
            "The Regents of the University of California.  "
@@ -1196,16 +1196,26 @@
 static void
 ReadBuiltinRules(void)
 {
+       StringListNode *ln;
        StringList *sysMkPath = Lst_New();
+
        Dir_Expand(_PATH_DEFSYSMK,
                   Lst_IsEmpty(sysIncPath) ? defSysIncPath : sysIncPath,
                   sysMkPath);
        if (Lst_IsEmpty(sysMkPath))
                Fatal("%s: no system rules (%s).", progname, _PATH_DEFSYSMK);
-       if (!Lst_ForEachUntil(sysMkPath, ReadMakefileSucceeded, NULL))
-               Fatal("%s: cannot open %s.", progname,
-                     (char *)sysMkPath->first->datum);
-       /* XXX: sysMkPath is not freed */
+
+       for (ln = sysMkPath->first; ln != NULL; ln = ln->next)
+               if (ReadMakefile(ln->datum) == 0)
+                       break;
+
+       if (ln == NULL)
+               Fatal("%s: cannot open %s.",
+                     progname, (const char *)sysMkPath->first->datum);
+
+       /* Free the list but not the actual filenames since these may still
+        * be used in GNodes. */
+       Lst_Free(sysMkPath);
 }
 
 static void