#include <string.h>
#include <stdlib.h>
-#ifdef __SALFORDC__
- #include <clib.h>
-#endif
-
// allocating extra space for each string consumes more memory but speeds up
// the concatenation operations (nLen is the current string's length)
// NB: EXTRA_ALLOC must be >= 0!
// ----------------------------------------------------------------------------
// this small class is used to gather statistics for performance tuning
+
+// uncomment this to enable gathering of some statistics about wxString
+// efficiency
//#define WXSTRING_STATISTICS
+
#ifdef WXSTRING_STATISTICS
class Averager
{
public:
Averager(const wxStringCharType *sz) { m_sz = sz; m_nTotal = m_nCount = 0; }
~Averager()
- { wxPrintf("wxString: average %s = %f\n", m_sz, ((float)m_nTotal)/m_nCount); }
+ {
+ wxPrintf("wxString %s: total = %lu, average = %f\n",
+ m_sz, m_nTotal, ((float)m_nTotal)/m_nCount);
+ }
void Add(size_t n) { m_nTotal += n; m_nCount++; }
private:
- size_t m_nCount, m_nTotal;
+ unsigned long m_nCount, m_nTotal;
const wxStringCharType *m_sz;
} g_averageLength("allocation size"),
g_averageSummandLength("summand length"),
{
if ( last >= first )
{
- InitWith(first, 0, last - first);
+ InitWith(first.GetPtr(), 0, last - first);
}
else
{
wxASSERT( nLen > 0 );
// make sure that we don't overflow
- wxASSERT( nLen < (INT_MAX / sizeof(wxStringCharType)) -
- (sizeof(wxStringData) + EXTRA_ALLOC + 1) );
+ wxCHECK( nLen < (INT_MAX / sizeof(wxStringCharType)) -
+ (sizeof(wxStringData) + EXTRA_ALLOC + 1), false );
STATISTICS_ADD(Length, nLen);
wxStringData *pData = GetStringData();
if ( pData->nAllocLength <= nLen ) {
if ( pData->IsEmpty() ) {
+ STATISTICS_ADD(Length, nLen);
+
nLen += EXTRA_ALLOC;
pData = (wxStringData *)