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Significant optimizations.

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This commit is contained in:
JoelKatz
2012-11-05 19:00:42 -08:00
parent 429135bbdd
commit 96f3d926b9
1 changed files with 13 additions and 7 deletions
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22
database/SqliteDatabase.cpp
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@@ -181,15 +181,21 @@ X'53514C697465'
*/ */
void SqliteDatabase::escape(const unsigned char* start, int size, std::string& retStr) 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]; retStr.resize(3 + (size * 2));
for(int n=0; n<size; n++)
int pos = 0;
retStr[pos++] = 'X';
retStr[pos++] = '\'';
for (int n = 0; n < size; ++n)
{ {
sprintf(buf, "%02X", start[n]); retStr[pos++] = toHex[start[n] >> 4];
retStr.append(buf); retStr[pos++] = toHex[start[n] & 0x0f];
}
retStr[pos] = '\'';
}
}
retStr.push_back('\'');
}
// vim:ts=4 // vim:ts=4