diff options
-rw-r--r-- | ext/json/ext/generator/generator.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/ext/json/ext/generator/generator.c b/ext/json/ext/generator/generator.c index 8ceaa2b..ed7bb82 100644 --- a/ext/json/ext/generator/generator.c +++ b/ext/json/ext/generator/generator.c @@ -902,8 +902,8 @@ static int isArrayOrObject(VALUE string) long string_len = RSTRING_LEN(string); char *p = RSTRING_PTR(string), *q = p + string_len - 1; if (string_len < 2) return 0; - for (; p < q && isspace(*p); p++); - for (; q > p && isspace(*q); q--); + for (; p < q && isspace((unsigned char)*p); p++); + for (; q > p && isspace((unsigned char)*q); q--); return (*p == '[' && *q == ']') || (*p == '{' && *q == '}'); } |