diff options
Diffstat (limited to 'libqpdf/JSON.cc')
| -rw-r--r-- | libqpdf/JSON.cc | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/libqpdf/JSON.cc b/libqpdf/JSON.cc index cb60eabc..fbf06f88 100644 --- a/libqpdf/JSON.cc +++ b/libqpdf/JSON.cc @@ -1121,12 +1121,8 @@ JSONParser::getToken() case ls_u4: using ui = unsigned int; - if ('0' <= *p && *p <= '9') { - u_value = 16 * u_value + (ui(*p) - ui('0')); - } else if ('a' <= *p && *p <= 'f') { - u_value = 16 * u_value + (10 + ui(*p) - ui('a')); - } else if ('A' <= *p && *p <= 'F') { - u_value = 16 * u_value + (10 + ui(*p) - ui('A')); + if (ui val = ui(QUtil::hex_decode_char(*p)); val < 16) { + u_value = 16 * u_value + val; } else { tokenError(); } |