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[src/trunk]: src/usr.bin/make make(1): replace Lst_Open with simple iteration...



details:   https://anonhg.NetBSD.org/src/rev/c6dcedd0a0bd
branches:  trunk
changeset: 944995:c6dcedd0a0bd
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Oct 18 14:32:04 2020 +0000

description:
make(1): replace Lst_Open with simple iteration in Dir_FindFile

diffstat:

 usr.bin/make/dir.c |  44 ++++++++++++++------------------------------
 1 files changed, 14 insertions(+), 30 deletions(-)

diffs (121 lines):

diff -r d287e11ac7bb -r c6dcedd0a0bd usr.bin/make/dir.c
--- a/usr.bin/make/dir.c        Sun Oct 18 14:09:39 2020 +0000
+++ b/usr.bin/make/dir.c        Sun Oct 18 14:32:04 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dir.c,v 1.167 2020/10/18 13:02:10 rillig Exp $ */
+/*     $NetBSD: dir.c,v 1.168 2020/10/18 14:32:04 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -135,7 +135,7 @@
 #include "job.h"
 
 /*     "@(#)dir.c      8.2 (Berkeley) 1/2/94"  */
-MAKE_RCSID("$NetBSD: dir.c,v 1.167 2020/10/18 13:02:10 rillig Exp $");
+MAKE_RCSID("$NetBSD: dir.c,v 1.168 2020/10/18 14:32:04 rillig Exp $");
 
 #define DIR_DEBUG0(text) DEBUG0(DIR, text)
 #define DIR_DEBUG1(fmt, arg1) DEBUG1(DIR, fmt, arg1)
@@ -1095,7 +1095,6 @@
 {
     SearchPathNode *ln;
     char *file;                        /* the current filename to check */
-    CachedDir *dir;
     const char *base;          /* Terminal name of file */
     Boolean hasLastDot = FALSE;        /* true if we should search dot last */
     Boolean hasSlash;          /* true if 'name' contains a / */
@@ -1123,9 +1122,8 @@
        return NULL;
     }
 
-    Lst_Open(path);
-    if ((ln = Lst_First(path)) != NULL) {
-       dir = LstNode_Datum(ln);
+    if ((ln = path->first) != NULL) {
+       CachedDir *dir = ln->datum;
        if (dir == dotLast) {
            hasLastDot = TRUE;
            DIR_DEBUG0("[dot last]...");
@@ -1153,27 +1151,20 @@
         * This is so there are no conflicts between what the user
         * specifies (fish.c) and what pmake finds (./fish.c).
         */
-       if (!hasLastDot && (file = DirFindDot(hasSlash, name, base)) != NULL) {
-           Lst_Close(path);
+       if (!hasLastDot && (file = DirFindDot(hasSlash, name, base)) != NULL)
            return file;
-       }
 
-       while ((ln = Lst_Next(path)) != NULL) {
-           dir = LstNode_Datum(ln);
+       for (; ln != NULL; ln = ln->next) {
+           CachedDir *dir = ln->datum;
            if (dir == dotLast)
                continue;
-           if ((file = DirLookup(dir, name, base, hasSlash)) != NULL) {
-               Lst_Close(path);
+           if ((file = DirLookup(dir, name, base, hasSlash)) != NULL)
                return file;
-           }
        }
 
-       if (hasLastDot && (file = DirFindDot(hasSlash, name, base)) != NULL) {
-           Lst_Close(path);
+       if (hasLastDot && (file = DirFindDot(hasSlash, name, base)) != NULL)
            return file;
-       }
     }
-    Lst_Close(path);
 
     /*
      * We didn't find the file on any directory in the search path.
@@ -1215,9 +1206,8 @@
                return file;
        }
 
-       Lst_Open(path);
-       while ((ln = Lst_Next(path)) != NULL) {
-           dir = LstNode_Datum(ln);
+       for (ln = path->first; ln != NULL; ln = ln->next) {
+           CachedDir *dir = ln->datum;
            if (dir == dotLast)
                continue;
            if (dir == dot) {
@@ -1225,12 +1215,9 @@
                    continue;
                checkedDot = TRUE;
            }
-           if ((file = DirLookupSubdir(dir, name)) != NULL) {
-               Lst_Close(path);
+           if ((file = DirLookupSubdir(dir, name)) != NULL)
                return file;
-           }
        }
-       Lst_Close(path);
 
        if (hasLastDot) {
            if (dot && !checkedDot) {
@@ -1273,13 +1260,11 @@
            return file;
        }
 
-       Lst_Open(path);
-       while ((ln = Lst_Next(path)) != NULL) {
-           dir = LstNode_Datum(ln);
+       for (ln = path->first; ln != NULL; ln = ln->next) {
+           CachedDir *dir = ln->datum;
            if (dir == dotLast)
                continue;
            if ((file = DirLookupAbs(dir, name, base)) != NULL) {
-               Lst_Close(path);
                if (file[0] == '\0') {
                    free(file);
                    return NULL;
@@ -1287,7 +1272,6 @@
                return file;
            }
        }
-       Lst_Close(path);
 
        if (hasLastDot && cur &&
            ((file = DirLookupAbs(cur, name, base)) != NULL)) {



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