Fixed a warning emitted from arm-none-eabi-gcc in hostnport.c (#785)

2024-09-27 00:06:09 +02:00
parent cd3f79d544
commit 6e4034a92d
1 changed files with 1 additions and 1 deletions
@@ -708,7 +708,7 @@ bool bacnet_bdt_entry_from_ascii(BACNET_BDT_ENTRY *value, const char *argv)
            p = 0xBAC0U;
        }
        name = argv;
-        if (name && isalnum(name[0])) {
+        if (name && isalnum((unsigned char)name[0])) {
            value->bbmd_address.host_ip_address = false;
            value->bbmd_address.host_name = true;
            characterstring_init(