[src/trunk]: src/usr.bin/make make(1): use Lst_OpenS in Dir_SetPATH

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

details:   https://anonhg.NetBSD.org/src/rev/192f21b383e3
branches:  trunk
changeset: 942955:192f21b383e3
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sat Aug 22 19:57:43 2020 +0000

description:
make(1): use Lst_OpenS in Dir_SetPATH

Since dirSearchPath is initialized in Dir_Init, opening the list can
never fail.

diffstat:

 usr.bin/make/dir.c |  63 ++++++++++++++++++++++++++---------------------------
 1 files changed, 31 insertions(+), 32 deletions(-)

diffs (98 lines):

diff -r 3b3428f29d30 -r 192f21b383e3 usr.bin/make/dir.c
--- a/usr.bin/make/dir.c        Sat Aug 22 19:53:22 2020 +0000
+++ b/usr.bin/make/dir.c        Sat Aug 22 19:57:43 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dir.c,v 1.106 2020/08/22 17:34:25 rillig Exp $ */
+/*     $NetBSD: dir.c,v 1.107 2020/08/22 19:57:43 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 1.106 2020/08/22 17:34:25 rillig Exp $";
+static char rcsid[] = "$NetBSD: dir.c,v 1.107 2020/08/22 19:57:43 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 1.106 2020/08/22 17:34:25 rillig Exp $");
+__RCSID("$NetBSD: dir.c,v 1.107 2020/08/22 19:57:43 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -478,43 +478,42 @@
 {
     LstNode ln;                        /* a list element */
     Path *p;
-    Boolean hasLastDot = FALSE;        /* true we should search dot last */
+    Boolean hasLastDot = FALSE;        /* true if we should search dot last */
 
     Var_Delete(".PATH", VAR_GLOBAL);
 
-    if (Lst_Open(dirSearchPath) == SUCCESS) {
-       if ((ln = Lst_First(dirSearchPath)) != NULL) {
-           p = Lst_DatumS(ln);
-           if (p == dotLast) {
-               hasLastDot = TRUE;
-               Var_Append(".PATH", dotLast->name, VAR_GLOBAL);
-           }
+    Lst_OpenS(dirSearchPath);
+    if ((ln = Lst_First(dirSearchPath)) != NULL) {
+       p = Lst_DatumS(ln);
+       if (p == dotLast) {
+           hasLastDot = TRUE;
+           Var_Append(".PATH", dotLast->name, VAR_GLOBAL);
        }
+    }
 
-       if (!hasLastDot) {
-           if (dot)
-               Var_Append(".PATH", dot->name, VAR_GLOBAL);
-           if (cur)
-               Var_Append(".PATH", cur->name, VAR_GLOBAL);
-       }
+    if (!hasLastDot) {
+       if (dot)
+           Var_Append(".PATH", dot->name, VAR_GLOBAL);
+       if (cur)
+           Var_Append(".PATH", cur->name, VAR_GLOBAL);
+    }
 
-       while ((ln = Lst_NextS(dirSearchPath)) != NULL) {
-           p = Lst_DatumS(ln);
-           if (p == dotLast)
-               continue;
-           if (p == dot && hasLastDot)
-               continue;
-           Var_Append(".PATH", p->name, VAR_GLOBAL);
-       }
+    while ((ln = Lst_NextS(dirSearchPath)) != NULL) {
+       p = Lst_DatumS(ln);
+       if (p == dotLast)
+           continue;
+       if (p == dot && hasLastDot)
+           continue;
+       Var_Append(".PATH", p->name, VAR_GLOBAL);
+    }
 
-       if (hasLastDot) {
-           if (dot)
-               Var_Append(".PATH", dot->name, VAR_GLOBAL);
-           if (cur)
-               Var_Append(".PATH", cur->name, VAR_GLOBAL);
-       }
-       Lst_CloseS(dirSearchPath);
+    if (hasLastDot) {
+       if (dot)
+           Var_Append(".PATH", dot->name, VAR_GLOBAL);
+       if (cur)
+           Var_Append(".PATH", cur->name, VAR_GLOBAL);
     }
+    Lst_CloseS(dirSearchPath);
 }
 
 /*-