[src/trunk]: src/usr.bin/db db: fix lint warnings about wrong call to ctype f...

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

details:   https://anonhg.NetBSD.org/src/rev/0a870d0eabaf
branches:  trunk
changeset: 1023125:0a870d0eabaf
user:      rillig <rillig%NetBSD.org@localhost>
date:      Wed Aug 25 23:11:51 2021 +0000

description:
db: fix lint warnings about wrong call to ctype functions

diffstat:

 usr.bin/db/db.c |  11 +++++------
 1 files changed, 5 insertions(+), 6 deletions(-)

diffs (46 lines):

diff -r 8fbacd99369a -r 0a870d0eabaf usr.bin/db/db.c
--- a/usr.bin/db/db.c   Wed Aug 25 23:07:34 2021 +0000
+++ b/usr.bin/db/db.c   Wed Aug 25 23:11:51 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: db.c,v 1.26 2012/02/17 11:37:33 apb Exp $      */
+/*     $NetBSD: db.c,v 1.27 2021/08/25 23:11:51 rillig Exp $   */
 
 /*-
  * Copyright (c) 2002-2009 The NetBSD Foundation, Inc.
@@ -36,7 +36,7 @@
 #include <sys/cdefs.h>
 #ifndef lint
 #ifdef __RCSID
-__RCSID("$NetBSD: db.c,v 1.26 2012/02/17 11:37:33 apb Exp $");
+__RCSID("$NetBSD: db.c,v 1.27 2021/08/25 23:11:51 rillig Exp $");
 #endif /* __RCSID */
 #endif /* not lint */
 
@@ -139,7 +139,7 @@
                case 'E':
                        if (! optarg[0] || optarg[1])
                                goto badendian;
-                       switch (toupper((int)optarg[0])) {
+                       switch (toupper((unsigned char)optarg[0])) {
                        case 'B':
                                flags |= F_ENDIAN_BIG;
                                break;
@@ -441,8 +441,8 @@
        key->size = klen + (flags & F_INCLUDE_NUL ? 0 : 1);
        if (downcase && (flags & F_IGNORECASE)) {
                for (p = ks; *p; p++)
-                       if (isupper((int)*p))
-                               *p = tolower((int)*p);
+                       if (isupper((unsigned char)*p))
+                               *p = tolower((unsigned char)*p);
        }
 }
 
@@ -705,7 +705,6 @@
                                break;
                        default:
                                return (0);
-                               break;
                }
        }
        return (r);