[src/trunk]: src/usr.bin/xlint/lint1 lint: clean up lex_character_constant

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

details:   https://anonhg.NetBSD.org/src/rev/8e0fedea6e1b
branches:  trunk
changeset: 379973:8e0fedea6e1b
user:      rillig <rillig%NetBSD.org@localhost>
date:      Tue Jun 29 13:48:24 2021 +0000

description:
lint: clean up lex_character_constant

No functional change.

diffstat:

 usr.bin/xlint/lint1/lex.c |  13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)

diffs (41 lines):

diff -r 478bc24d7851 -r 8e0fedea6e1b usr.bin/xlint/lint1/lex.c
--- a/usr.bin/xlint/lint1/lex.c Tue Jun 29 11:35:28 2021 +0000
+++ b/usr.bin/xlint/lint1/lex.c Tue Jun 29 13:48:24 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: lex.c,v 1.47 2021/06/29 07:23:21 rillig Exp $ */
+/* $NetBSD: lex.c,v 1.48 2021/06/29 13:48:24 rillig Exp $ */
 
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
@@ -38,7 +38,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: lex.c,v 1.47 2021/06/29 07:23:21 rillig Exp $");
+__RCSID("$NetBSD: lex.c,v 1.48 2021/06/29 13:48:24 rillig Exp $");
 #endif
 
 #include <ctype.h>
@@ -820,7 +820,6 @@ lex_character_constant(void)
 {
        size_t  n;
        int val, c;
-       char    cv;
 
        n = 0;
        val = 0;
@@ -844,8 +843,12 @@ lex_character_constant(void)
                error(73);
        }
        if (n == 1) {
-               cv = (char)val;
-               val = cv;
+               /*
+                * XXX: use the target platform's 'char' instead of the
+                *  'char' from the execution environment, to be able to
+                *  run lint for powerpc on x86_64.
+                */
+               val = (char)val;
        }
 
        yylval.y_val = xcalloc(1, sizeof(*yylval.y_val));