diff options
| -rw-r--r-- | libdevcore/UTF8.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/libdevcore/UTF8.cpp b/libdevcore/UTF8.cpp index 793bc080..ad62c8b0 100644 --- a/libdevcore/UTF8.cpp +++ b/libdevcore/UTF8.cpp @@ -85,11 +85,19 @@ bool validateUTF8(std::string const& _input, size_t& _invalidPosition) continue; size_t count = 0; - switch(_input[i] & 0xf0) { - case 0xc0: count = 1; break; - case 0xe0: count = 2; break; - case 0xf0: count = 3; break; - default: break; + switch ((unsigned char)_input[i]) + { + case 0xc0 ... 0xdf: + count = 1; + break; + case 0xe0 ... 0xef: + count = 2; + break; + case 0xf0 ... 0xf7: + count = 3; + break; + default: + break; } if (count == 0) |