Merge pull request #646 from pascal-cuoq/fix_645

Cast to unsigned char instead of int when calling tolower (Fixes #645)
This commit is contained in:
Eric Hawicz
2020-07-21 21:24:59 -04:00
committed by GitHub

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@@ -430,7 +430,7 @@ struct json_object *json_tokener_parse_ex(struct json_tokener *tok, const char *
{
char inf_char = *str;
if (!(tok->flags & JSON_TOKENER_STRICT))
inf_char = tolower((int)*str);
inf_char = tolower((unsigned char)*str);
if (inf_char != _json_inf_str[tok->st_pos])
{
tok->err = json_tokener_error_parse_unexpected;