Module Name:    src
Committed By:   rillig
Date:           Sat Jan 15 19:34:07 UTC 2022

Modified Files:
        src/usr.bin/make: cond.c main.c meta.c

Log Message:
make: replace Var_Value with Var_Exists where applicable

The latter function already existed in 1993, no idea why it was not
used.

No functional change.


To generate a diff of this commit:
cvs rdiff -u -r1.325 -r1.326 src/usr.bin/make/cond.c
cvs rdiff -u -r1.571 -r1.572 src/usr.bin/make/main.c
cvs rdiff -u -r1.191 -r1.192 src/usr.bin/make/meta.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/usr.bin/make/cond.c
diff -u src/usr.bin/make/cond.c:1.325 src/usr.bin/make/cond.c:1.326
--- src/usr.bin/make/cond.c:1.325	Fri Jan 14 18:25:22 2022
+++ src/usr.bin/make/cond.c	Sat Jan 15 19:34:07 2022
@@ -1,4 +1,4 @@
-/*	$NetBSD: cond.c,v 1.325 2022/01/14 18:25:22 rillig Exp $	*/
+/*	$NetBSD: cond.c,v 1.326 2022/01/15 19:34:07 rillig Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
@@ -95,7 +95,7 @@
 #include "dir.h"
 
 /*	"@(#)cond.c	8.2 (Berkeley) 1/2/94"	*/
-MAKE_RCSID("$NetBSD: cond.c,v 1.325 2022/01/14 18:25:22 rillig Exp $");
+MAKE_RCSID("$NetBSD: cond.c,v 1.326 2022/01/15 19:34:07 rillig Exp $");
 
 /*
  * Conditional expressions conform to this grammar:
@@ -290,10 +290,7 @@ ParseFuncArg(CondParser *par, const char
 static bool
 FuncDefined(const char *var)
 {
-	FStr value = Var_Value(SCOPE_CMDLINE, var);
-	bool result = value.str != NULL;
-	FStr_Done(&value);
-	return result;
+	return Var_Exists(SCOPE_CMDLINE, var);
 }
 
 /* See if the given target is requested to be made. */

Index: src/usr.bin/make/main.c
diff -u src/usr.bin/make/main.c:1.571 src/usr.bin/make/main.c:1.572
--- src/usr.bin/make/main.c:1.571	Sat Jan 15 19:05:23 2022
+++ src/usr.bin/make/main.c	Sat Jan 15 19:34:07 2022
@@ -1,4 +1,4 @@
-/*	$NetBSD: main.c,v 1.571 2022/01/15 19:05:23 rillig Exp $	*/
+/*	$NetBSD: main.c,v 1.572 2022/01/15 19:34:07 rillig Exp $	*/
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -111,7 +111,7 @@
 #include "trace.h"
 
 /*	"@(#)main.c	8.3 (Berkeley) 3/19/94"	*/
-MAKE_RCSID("$NetBSD: main.c,v 1.571 2022/01/15 19:05:23 rillig Exp $");
+MAKE_RCSID("$NetBSD: main.c,v 1.572 2022/01/15 19:34:07 rillig Exp $");
 #if defined(MAKE_NATIVE) && !defined(lint)
 __COPYRIGHT("@(#) Copyright (c) 1988, 1989, 1990, 1993 "
 	    "The Regents of the University of California.  "
@@ -1018,17 +1018,14 @@ static void
 HandlePWD(const struct stat *curdir_st)
 {
 	char *pwd;
-	FStr prefix, makeobjdir;
+	FStr makeobjdir;
 	struct stat pwd_st;
 
 	if (ignorePWD || (pwd = getenv("PWD")) == NULL)
 		return;
 
-	prefix = Var_Value(SCOPE_CMDLINE, "MAKEOBJDIRPREFIX");
-	if (prefix.str != NULL) {
-		FStr_Done(&prefix);
+	if (Var_Exists(SCOPE_CMDLINE, "MAKEOBJDIRPREFIX"))
 		return;
-	}
 
 	makeobjdir = Var_Value(SCOPE_CMDLINE, "MAKEOBJDIR");
 	if (makeobjdir.str != NULL && strchr(makeobjdir.str, '$') != NULL)

Index: src/usr.bin/make/meta.c
diff -u src/usr.bin/make/meta.c:1.191 src/usr.bin/make/meta.c:1.192
--- src/usr.bin/make/meta.c:1.191	Sat Jan 15 19:05:23 2022
+++ src/usr.bin/make/meta.c	Sat Jan 15 19:34:07 2022
@@ -1,4 +1,4 @@
-/*      $NetBSD: meta.c,v 1.191 2022/01/15 19:05:23 rillig Exp $ */
+/*      $NetBSD: meta.c,v 1.192 2022/01/15 19:34:07 rillig Exp $ */
 
 /*
  * Implement 'meta' mode.
@@ -591,7 +591,6 @@ meta_mode_init(const char *make_mode)
 {
     static bool once = false;
     const char *cp;
-    FStr value;
 
     useMeta = true;
     useFilemon = true;
@@ -648,21 +647,9 @@ meta_mode_init(const char *make_mode)
     /*
      * We ignore any paths that match ${.MAKE.META.IGNORE_PATTERNS}
      */
-    value = Var_Value(SCOPE_GLOBAL, MAKE_META_IGNORE_PATTERNS);
-    if (value.str != NULL) {
-	metaIgnorePatterns = true;
-	FStr_Done(&value);
-    }
-    value = Var_Value(SCOPE_GLOBAL, MAKE_META_IGNORE_FILTER);
-    if (value.str != NULL) {
-	metaIgnoreFilter = true;
-	FStr_Done(&value);
-    }
-    value = Var_Value(SCOPE_GLOBAL, MAKE_META_CMP_FILTER);
-    if (value.str != NULL) {
-	metaCmpFilter = true;
-	FStr_Done(&value);
-    }
+    metaIgnorePatterns = Var_Exists(SCOPE_GLOBAL, MAKE_META_IGNORE_PATTERNS);
+    metaIgnoreFilter = Var_Exists(SCOPE_GLOBAL, MAKE_META_IGNORE_FILTER);
+    metaCmpFilter = Var_Exists(SCOPE_GLOBAL, MAKE_META_CMP_FILTER);
 }
 
 /*

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