From 373bf8c36dae183bb1745aae387c37d277acd693 Mon Sep 17 00:00:00 2001 From: Our Air Quality Date: Wed, 25 Apr 2018 23:44:32 +1000 Subject: [PATCH] Quieten a toupper() compiler warning. Gcc complains that an array index is a 'char' when passing a 'char' to toupper(). Quieten this by coercing to an 'unsigned char'. Signed-off-by: goldsimon --- src/apps/netbiosns/netbiosns.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/apps/netbiosns/netbiosns.c b/src/apps/netbiosns/netbiosns.c index d4c69a08..23ad20b2 100644 --- a/src/apps/netbiosns/netbiosns.c +++ b/src/apps/netbiosns/netbiosns.c @@ -493,7 +493,7 @@ netbiosns_set_name(const char *hostname) /* make name into upper case */ for (i = 0; i < copy_len; i++ ) { - netbiosns_local_name[i] = (char)toupper(hostname[i]); + netbiosns_local_name[i] = (char)toupper((unsigned char)hostname[i]); } netbiosns_local_name[copy_len] = '\0'; }