cerc-io/solidity
10
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Validate first byte properly for UTF8

Browse Source
This commit is contained in:
Alex Beregszaszi 2017-06-16 17:23:11 +01:00
parent 569e0c53f2
commit 6488f7e079
1 changed files with 13 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
libdevcore/UTF8.cpp
View File

@ -85,11 +85,19 @@ bool validateUTF8(std::string const& _input, size_t& _invalidPosition)
continue; continue;
size_t count = 0; size_t count = 0;
switch(_input[i] & 0xf0) { switch ((unsigned char)_input[i])
case 0xc0: count = 1; break; {
case 0xe0: count = 2; break; case 0xc0 ... 0xdf:
case 0xf0: count = 3; break; count = 1;
default: break; break;
case 0xe0 ... 0xef:
count = 2;
break;
case 0xf0 ... 0xf7:
count = 3;
break;
default:
break;
} }
if (count == 0) if (count == 0)