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- edvbstring: fix utf8 encoding, thx DboxOldie

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This commit is contained in:
max_10
2017-01-22 16:25:58 +01:00
committed by svenhoefer
parent e111bf7418
commit 2f1ceb07e2
1 changed files with 8 additions and 5 deletions
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13
src/eitd/edvbstring.cpp
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@@ -2305,28 +2305,31 @@ const std::string convertLatin1UTF8(const std::string &string)
int isUTF8(const std::string &string)
{
unsigned int len=string.size();
unsigned char c;
for (unsigned int i=0; i < len;)
{
int trailing = 0;
if (string[i] >> 7 == 0) // 0xxxxxxx
c = string[i] & 0xFF;
if (c >> 7 == 0) // 0xxxxxxx
{
i++;
continue;
}
if (string[i] >> 5 == 6) // 110xxxxx 10xxxxxx
if (c >> 5 == 6) // 110xxxxx 10xxxxxx
{
if (++i >= len)
return 0;
trailing = 1;
}
else if (string[i] >> 4 == 14) // 1110xxxx 10xxxxxx 10xxxxxx
else if (c >> 4 == 14) // 1110xxxx 10xxxxxx 10xxxxxx
{
if (++i >= len)
return 0;
trailing = 2;
}
else if ((string[i] >> 3) == 30) // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
else if (c >> 3 == 30) // 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
{
if (++i >= len)
return 0;
@@ -2335,7 +2338,7 @@ int isUTF8(const std::string &string)
return 0;
while (trailing) {
if (i >= len || string[i] >> 6 != 2)
if (i >= len || (string[i] & 0xFF) >> 6 != 2)
return 0;
trailing--;
i++;