diff options
| -rw-r--r-- | ext/json/ext/generator/generator.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/ext/json/ext/generator/generator.c b/ext/json/ext/generator/generator.c index cebe7e9..596f33f 100644 --- a/ext/json/ext/generator/generator.c +++ b/ext/json/ext/generator/generator.c @@ -237,6 +237,7 @@ static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string) int escape_len; unsigned char c; char buf[6] = { '\\', 'u' }; + int ascii_only = rb_enc_str_asciionly_p(string); for (start = 0, end = 0; end < len;) { p = ptr + end; @@ -281,14 +282,17 @@ static void convert_UTF8_to_JSON(FBuffer *buffer, VALUE string) break; default: { - unsigned short clen = trailingBytesForUTF8[c] + 1; - if (end + clen > len) { - rb_raise(rb_path2class("JSON::GeneratorError"), - "partial character in source, but hit end"); - } - if (!isLegalUTF8((UTF8 *) p, clen)) { - rb_raise(rb_path2class("JSON::GeneratorError"), - "source sequence is illegal/malformed utf-8"); + unsigned short clen = 1; + if (!ascii_only) { + clen += trailingBytesForUTF8[c]; + if (end + clen > len) { + rb_raise(rb_path2class("JSON::GeneratorError"), + "partial character in source, but hit end"); + } + if (!isLegalUTF8((UTF8 *) p, clen)) { + rb_raise(rb_path2class("JSON::GeneratorError"), + "source sequence is illegal/malformed utf-8"); + } } end += clen; } |