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Merge pull request #7641

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a16328e easylogging++: in place log sanitization (moneromooo-monero)
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luigi1111 2021-04-16 12:49:00 -05:00
commit 4ca80bd312
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1 changed files with 14 additions and 10 deletions
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24
external/easylogging++/easylogging++.cc vendored
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@ -2490,20 +2490,20 @@ void DefaultLogDispatchCallback::handle(const LogDispatchData* data) {
template<typename Transform>
static inline std::string utf8canonical(const std::string &s, Transform t = [](wint_t c)->wint_t { return c; })
static inline void utf8canonical(std::string &s, Transform t = [](wint_t c)->wint_t { return c; })
{
std::string sc = "";
size_t avail = s.size();
const char *ptr = s.data();
wint_t cp = 0;
int bytes = 1;
int rbytes = 1, bytes = -1;
char wbuf[8], *wptr;
size_t w_offset = 0;
while (avail--)
{
if ((*ptr & 0x80) == 0)
{
cp = *ptr++;
bytes = 1;
rbytes = 1;
}
else if ((*ptr & 0xe0) == 0xc0)
{
@ -2512,7 +2512,7 @@ static inline std::string utf8canonical(const std::string &s, Transform t = [](w
cp = (*ptr++ & 0x1f) << 6;
cp |= *ptr++ & 0x3f;
--avail;
bytes = 2;
rbytes = 2;
}
else if ((*ptr & 0xf0) == 0xe0)
{
@ -2522,7 +2522,7 @@ static inline std::string utf8canonical(const std::string &s, Transform t = [](w
cp |= (*ptr++ & 0x3f) << 6;
cp |= *ptr++ & 0x3f;
avail -= 2;
bytes = 3;
rbytes = 3;
}
else if ((*ptr & 0xf8) == 0xf0)
{
@ -2533,7 +2533,7 @@ static inline std::string utf8canonical(const std::string &s, Transform t = [](w
cp |= (*ptr++ & 0x3f) << 6;
cp |= *ptr++ & 0x3f;
avail -= 3;
bytes = 4;
rbytes = 4;
}
else
throw std::runtime_error("Invalid UTF-8");
@ -2550,6 +2550,9 @@ static inline std::string utf8canonical(const std::string &s, Transform t = [](w
else
throw std::runtime_error("Invalid code point UTF-8 transformation");
if (bytes > rbytes)
throw std::runtime_error("In place sanitization requires replacements to not take more space than the original code points");
wptr = wbuf;
switch (bytes)
{
@ -2560,16 +2563,17 @@ static inline std::string utf8canonical(const std::string &s, Transform t = [](w
default: throw std::runtime_error("Invalid UTF-8");
}
*wptr = 0;
sc.append(wbuf, bytes);
memcpy(&s[w_offset], wbuf, bytes);
w_offset += bytes;
cp = 0;
bytes = 1;
}
return sc;
s.resize(w_offset);
}
void sanitize(std::string &s)
{
s = utf8canonical(s, [](wint_t c)->wint_t {
utf8canonical(s, [](wint_t c)->wint_t {
if (c == 9 || c == 10 || c == 13)
return c;
if (c < 0x20)