diff options
Diffstat (limited to 'upb/json/printer.c')
| -rw-r--r-- | upb/json/printer.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/upb/json/printer.c b/upb/json/printer.c index 440722a..44e6f83 100644 --- a/upb/json/printer.c +++ b/upb/json/printer.c @@ -52,7 +52,8 @@ static const char kControlCharLimit = 0x20; static inline bool is_json_escaped(char c) { // See RFC 4627. - return c < kControlCharLimit || c == '"' || c == '\\'; + unsigned char uc = (unsigned char)c; + return uc < kControlCharLimit || uc == '"' || uc == '\\'; } static inline char* json_nice_escape(char c) { @@ -83,7 +84,8 @@ static void putstring(upb_json_printer *p, const char *buf, unsigned int len) { // escape. char escape_buf[8]; if (!escape) { - snprintf(escape_buf, sizeof(escape_buf), "\\u%04x", (int)c); + unsigned char byte = (unsigned char)c; + snprintf(escape_buf, sizeof(escape_buf), "\\u%04x", (int)byte); escape = escape_buf; } |