[src/trunk]: src/usr.bin/xlint/lint1 lint: use NULL for null pointer constants

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

details:   https://anonhg.NetBSD.org/src/rev/732b55ede35d
branches:  trunk
changeset: 377182:732b55ede35d
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Jun 30 08:48:38 2023 +0000

description:
lint: use NULL for null pointer constants

No binary change.

diffstat:

 usr.bin/xlint/lint1/tree.c |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (50 lines):

diff -r e9b5989374e9 -r 732b55ede35d usr.bin/xlint/lint1/tree.c
--- a/usr.bin/xlint/lint1/tree.c        Fri Jun 30 08:45:22 2023 +0000
+++ b/usr.bin/xlint/lint1/tree.c        Fri Jun 30 08:48:38 2023 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tree.c,v 1.533 2023/06/30 08:45:22 rillig Exp $        */
+/*     $NetBSD: tree.c,v 1.534 2023/06/30 08:48:38 rillig Exp $        */
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -37,7 +37,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID)
-__RCSID("$NetBSD: tree.c,v 1.533 2023/06/30 08:45:22 rillig Exp $");
+__RCSID("$NetBSD: tree.c,v 1.534 2023/06/30 08:48:38 rillig Exp $");
 #endif
 
 #include <float.h>
@@ -4102,14 +4102,14 @@ build_alignof(const type_t *tp)
        case FUNC:
                /* cannot take size/alignment of function type '%s' */
                error(144, type_name(tp));
-               return 0;
+               return NULL;
 
        case STRUCT:
        case UNION:
                if (is_incomplete(tp)) {
                        /* cannot take size/alignment of incomplete type */
                        error(143);
-                       return 0;
+                       return NULL;
                }
                break;
        case ENUM:
@@ -4118,12 +4118,12 @@ build_alignof(const type_t *tp)
                if (tp->t_bitfield) {
                        /* cannot take size/alignment of bit-field */
                        error(145);
-                       return 0;
+                       return NULL;
                }
                if (tp->t_tspec == VOID) {
                        /* cannot take size/alignment of void */
                        error(146);
-                       return 0;
+                       return NULL;
                }
                break;
        }