Significant optimizations.

This commit is contained in:
JoelKatz
2012-11-05 19:00:42 -08:00
parent 429135bbdd
commit 96f3d926b9

View File

@@ -181,15 +181,21 @@ X'53514C697465'
*/
void SqliteDatabase::escape(const unsigned char* start, int size, std::string& retStr)
{
retStr="X'";
static const char toHex[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'A', 'B', 'C', 'D', 'E', 'F' };
char buf[3];
for(int n=0; n<size; n++)
retStr.resize(3 + (size * 2));
int pos = 0;
retStr[pos++] = 'X';
retStr[pos++] = '\'';
for (int n = 0; n < size; ++n)
{
sprintf(buf, "%02X", start[n]);
retStr.append(buf);
retStr[pos++] = toHex[start[n] >> 4];
retStr[pos++] = toHex[start[n] & 0x0f];
}
retStr.push_back('\'');
retStr[pos] = '\'';
}
// vim:ts=4