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[src/trunk]: src/usr.bin/make make(1): clean up Dir_HasWildcards



details:   https://anonhg.NetBSD.org/src/rev/b6dccf19a13a
branches:  trunk
changeset: 941612:b6dccf19a13a
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Oct 25 09:51:52 2020 +0000

description:
make(1): clean up Dir_HasWildcards

diffstat:

 usr.bin/make/dir.c |  20 ++++++++------------
 1 files changed, 8 insertions(+), 12 deletions(-)

diffs (53 lines):

diff -r adf8dc1d6a3f -r b6dccf19a13a usr.bin/make/dir.c
--- a/usr.bin/make/dir.c        Sun Oct 25 09:46:25 2020 +0000
+++ b/usr.bin/make/dir.c        Sun Oct 25 09:51:52 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dir.c,v 1.185 2020/10/25 09:30:45 rillig Exp $ */
+/*     $NetBSD: dir.c,v 1.186 2020/10/25 09:51:52 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 1.185 2020/10/25 09:30:45 rillig Exp $");
+MAKE_RCSID("$NetBSD: dir.c,v 1.186 2020/10/25 09:51:52 rillig Exp $");
 
 #define DIR_DEBUG0(text) DEBUG0(DIR, text)
 #define DIR_DEBUG1(fmt, arg1) DEBUG1(DIR, fmt, arg1)
@@ -529,28 +529,24 @@
     }
 }
 
-/* See if the given name has any wildcard characters in it. Be careful not to
- * expand unmatching brackets or braces.
+/* See if the given name has any wildcard characters in it and all braces and
+ * brackets are properly balanced.
  *
  * XXX: This code is not 100% correct ([^]] fails etc.). I really don't think
  * that make(1) should be expanding patterns, because then you have to set a
  * mechanism for escaping the expansion!
  *
- * Input:
- *     name            name to check
- *
- * Results:
- *     returns TRUE if the word should be expanded, FALSE otherwise
+ * Return TRUE if the word should be expanded, FALSE otherwise.
  */
 Boolean
 Dir_HasWildcards(const char *name)
 {
-    const char *cp;
+    const char *p;
     Boolean wild = FALSE;
     int braces = 0, brackets = 0;
 
-    for (cp = name; *cp; cp++) {
-       switch (*cp) {
+    for (p = name; *p != '\0'; p++) {
+       switch (*p) {
        case '{':
            braces++;
            wild = TRUE;



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