forked from lix-project/lix
* Ugh, printHash() was very inefficient because it used
ostringstreams. Around 11% of execution time was spent here (now it's 0.5%).
This commit is contained in:
parent
b90c00e63f
commit
18c321308d
|
@ -66,15 +66,17 @@ bool Hash::operator < (const Hash & h) const
|
|||
}
|
||||
|
||||
|
||||
const string base16Chars = "0123456789abcdef";
|
||||
|
||||
|
||||
string printHash(const Hash & hash)
|
||||
{
|
||||
ostringstream str;
|
||||
char buf[hash.hashSize * 2];
|
||||
for (unsigned int i = 0; i < hash.hashSize; i++) {
|
||||
str.fill('0');
|
||||
str.width(2);
|
||||
str << hex << (int) hash.hash[i];
|
||||
buf[i * 2] = base16Chars[hash.hash[i] >> 4];
|
||||
buf[i * 2 + 1] = base16Chars[hash.hash[i] & 0x0f];
|
||||
}
|
||||
return str.str();
|
||||
return string(buf, hash.hashSize * 2);
|
||||
}
|
||||
|
||||
|
||||
|
|
Loading…
Reference in a new issue