2 files changed, 5 insertions, 23 deletions
diff --git a/src/libmowgli/ext/json.c b/src/libmowgli/ext/json.c
index 3e273a4..0470463 100644
--- a/src/libmowgli/ext/json.c
+++ b/src/libmowgli/ext/json.c
@@ -1179,12 +1179,12 @@ lex_char(mowgli_json_parse_t *parse, char c)
 		case ',': lex_easy(parse, TS_VALUE_SEP); return false;
 		}
 
-		if ((c == '-') || (c == '.') || isdigit(c))
+		if ((c == '-') || (c == '.') || isdigit((unsigned char)c))
 		{
 			parse->lex = LEX_NUMBER;
 			return true;
 		}
-		else if (isalpha(c))
+		else if (isalpha((unsigned char)c))
 		{
 			parse->lex = LEX_IDENTIFIER;
 			return true;
@@ -1194,7 +1194,7 @@ lex_char(mowgli_json_parse_t *parse, char c)
 			parse->lex = LEX_STRING;
 			return false;
 		}
-		else if (isspace(c))
+		else if (isspace((unsigned char)c))
 		{
 			return false;
 		}
@@ -1248,7 +1248,7 @@ lex_char(mowgli_json_parse_t *parse, char c)
 
 	case LEX_NUMBER:
 
-		if ((c == '-') || (c == '.') || isdigit(c) || (toupper(c) == 'E'))
+		if ((c == '-') || (c == '.') || isdigit((unsigned char)c) || (toupper((unsigned char)c) == 'E'))
 		{
 			lex_append(parse, c);
 			return false;
@@ -1263,7 +1263,7 @@ lex_char(mowgli_json_parse_t *parse, char c)
 
 	case LEX_IDENTIFIER:
 
-		if (isalpha(c))
+		if (isalpha((unsigned char)c))
 		{
 			lex_append(parse, c);
 			return false;
diff --git a/src/libmowgli/ext/program_opts.c b/src/libmowgli/ext/program_opts.c
index d07c063..93b04ac 100644
--- a/src/libmowgli/ext/program_opts.c
+++ b/src/libmowgli/ext/program_opts.c
@@ -52,24 +52,6 @@ mowgli_program_opts_consumer_bool(const char *arg, void *userdata)
 	*(bool *) userdata = true;
 }
 
-static inline mowgli_program_opts_t *
-mowgli_program_opts_lookup_name(mowgli_program_opts_t *opts, size_t opts_size, const char *name)
-{
-	size_t i;
-
-	if (strlen(name) > 1)
-		for (i = 0; i < opts_size; i++)
-			if (!strcasecmp(name, opts[i].longopt))
-				return &opts[i];
-
-			else
-				for (i = 0; i < opts_size; i++)
-					if (*name == opts[i].smallopt)
-						return &opts[i];
-
-	return NULL;
-}
-
 static inline mowgli_getopt_option_t *
 mowgli_program_opts_convert(const mowgli_program_opts_t *opts, size_t opts_size)
 {