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From: Manuel Bouyer <bouyer@netbsd.org>
To: xen-devel@lists.xenproject.org
Cc: Manuel Bouyer <bouyer@netbsd.org>,
	Ian Jackson <ian.jackson@eu.citrix.com>,
	Ian Jackson <iwj@xenproject.org>, Wei Liu <wl@xen.org>,
	Anthony PERARD <anthony.perard@citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	George Dunlap <george.dunlap@citrix.com>,
	Jan Beulich <jbeulich@suse.com>, Julien Grall <julien@xen.org>,
	Stefano Stabellini <sstabellini@kernel.org>
Subject: [PATCH v2] Fix error: array subscript has type 'char'
Date: Tue, 26 Jan 2021 23:47:47 +0100
Message-ID: <20210126224800.1246-1-bouyer@netbsd.org> (raw)

Use unsigned char variable, or cast to (unsigned char), for
tolower()/islower() and friends. Fix compiler error
array subscript has type 'char' [-Werror=char-subscripts]

Signed-off-by: Manuel Bouyer <bouyer@netbsd.org>
Reviewed-by: Ian Jackson <ian.jackson@eu.citrix.com>
Release-Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
---
 tools/libs/light/libxl_qmp.c | 2 +-
 tools/xentrace/xentrace.c    | 2 +-
 xen/tools/symbols.c          | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/libs/light/libxl_qmp.c b/tools/libs/light/libxl_qmp.c
index c394000ea9..9b638e6f54 100644
--- a/tools/libs/light/libxl_qmp.c
+++ b/tools/libs/light/libxl_qmp.c
@@ -1249,7 +1249,7 @@ static int qmp_error_class_to_libxl_error_code(libxl__gc *gc,
                 se++;
                 continue;
             }
-            if (tolower(*s) != tolower(*se))
+            if (tolower((unsigned char)*s) != tolower((unsigned char)*se))
                 break;
             s++, se++;
         }
diff --git a/tools/xentrace/xentrace.c b/tools/xentrace/xentrace.c
index 4b50b8a53e..a8903ebf46 100644
--- a/tools/xentrace/xentrace.c
+++ b/tools/xentrace/xentrace.c
@@ -957,7 +957,7 @@ static int parse_cpumask_range(const char *mask_str, xc_cpumap_t map)
 {
     unsigned int a, b;
     int nmaskbits;
-    char c;
+    unsigned char c;
     int in_range;
     const char *s;
 
diff --git a/xen/tools/symbols.c b/xen/tools/symbols.c
index 9f9e2c9900..0b12452616 100644
--- a/xen/tools/symbols.c
+++ b/xen/tools/symbols.c
@@ -173,11 +173,11 @@ static int read_symbol(FILE *in, struct sym_entry *s)
 	/* include the type field in the symbol name, so that it gets
 	 * compressed together */
 	s->len = strlen(str) + 1;
-	if (islower(stype) && filename)
+	if (islower((unsigned char)stype) && filename)
 		s->len += strlen(filename) + 1;
 	s->sym = malloc(s->len + 1);
 	sym = SYMBOL_NAME(s);
-	if (islower(stype) && filename) {
+	if (islower((unsigned char)stype) && filename) {
 		sym = stpcpy(sym, filename);
 		*sym++ = '#';
 	}
-- 
2.29.2



             reply index

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-26 22:47 Manuel Bouyer [this message]
2021-01-26 22:47 ` [PATCH v2] NetBSD hotplug: Introduce locking functions Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] NetBSD hotplug: fix block unconfigure on destroy Manuel Bouyer
2021-01-28 11:45   ` Roger Pau Monné
2021-01-29 11:00     ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] NetBSD: use system-provided headers Manuel Bouyer
2021-01-28 11:21   ` Roger Pau Monné
2021-01-29 10:57     ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/call: fix build on NetBSD Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/foreignmemory: Implement " Manuel Bouyer
2021-01-27 20:15   ` Andrew Cooper
2021-01-28 10:48   ` Roger Pau Monné
2021-01-28 10:52   ` Andrew Cooper
2021-01-28 11:42     ` Andrew Cooper
2021-01-29 10:51       ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/gnttab: implement " Manuel Bouyer
2021-01-28 11:14   ` Roger Pau Monné
2021-01-26 22:47 ` [PATCH v2] libs/light: Switch NetBSD to QEMU_XEN Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/light: fix tv_sec printf format Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/light: fix uuid on NetBSD Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/light: make it build without setresuid() Manuel Bouyer
2021-01-28 11:06   ` Ian Jackson
2021-01-29 22:51   ` Andrew Cooper
2021-01-29 23:01     ` Manuel Bouyer
2021-01-29 23:05       ` Andrew Cooper
2021-01-29 23:16         ` Manuel Bouyer
2021-01-30 18:28         ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/light: pass some infos to qemu Manuel Bouyer
2021-01-28 11:08   ` Roger Pau Monné
2021-01-29 10:46     ` Manuel Bouyer
2021-01-29 14:52       ` Roger Pau Monné
2021-01-30 23:07         ` Manuel Bouyer
2021-01-30 11:50     ` Manuel Bouyer
2021-02-01  8:06       ` Roger Pau Monné
2021-02-01  9:39         ` Manuel Bouyer
2021-02-01 10:54           ` Roger Pau Monné
2021-02-01 11:21             ` Manuel Bouyer
2021-01-26 22:47 ` [PATCH v2] libs/store: make build without PTHREAD_STACK_MIN Manuel Bouyer
2021-01-28 10:57   ` Roger Pau Monné
2021-01-28 11:08     ` Andrew Cooper
2021-01-29 10:43       ` Manuel Bouyer
2021-01-26 22:48 ` [PATCH v2] xenpmd.c: use dynamic allocation Manuel Bouyer
2021-01-28 10:34   ` Roger Pau Monné
2021-01-27 19:30 ` [PATCH v2] Fix error: array subscript has type 'char' Andrew Cooper

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