X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/706c2ac9da21c8691ae7821483b87a22e65b429e..da2b4b7a57f816723ed26dbbeca0549b9ce6735a:/src/common/string.cpp

diff --git a/src/common/string.cpp b/src/common/string.cpp
index beb618873d..c7ce4c3d1c 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -48,10 +48,6 @@
   #include <clib.h>
 #endif
 
-#if wxUSE_WCSRTOMBS
-  #include <wchar.h>    // for wcsrtombs(), see comments where it's used
-#endif // GNU
-
 #ifdef  WXSTRING_IS_WXOBJECT
   IMPLEMENT_DYNAMIC_CLASS(wxString, wxObject)
 #endif  //WXSTRING_IS_WXOBJECT
@@ -70,6 +66,12 @@
 // static class variables definition
 // ---------------------------------------------------------------------------
 
+#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
+// must define this static for VA or else you get multiply defined symbols
+// everywhere
+const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100;
+#endif // Visual Age
+
 #ifdef  wxSTD_STRING_COMPATIBILITY
   const size_t wxString::npos = wxSTRING_MAXLEN;
 #endif // wxSTD_STRING_COMPATIBILITY
@@ -87,12 +89,6 @@ static const struct
   wxChar dummy;
 } g_strEmpty = { {-1, 0, 0}, wxT('\0') };
 
-#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
-// must define this static for VA or else you get multiply defined symbols
-// everywhere
-const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100;
-#endif // Visual Age
-
 // empty C style string: points to 'string data' byte of g_strEmpty
 extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy;
 
@@ -501,18 +497,21 @@ void wxString::Shrink()
 {
   wxStringData *pData = GetStringData();
 
-  // this variable is unused in release build, so avoid the compiler warning
-  // by just not declaring it
-#ifdef __WXDEBUG__
-  void *p =
-#endif
-  realloc(pData, sizeof(wxStringData) + (pData->nDataLength + 1)*sizeof(wxChar));
+  size_t nLen = pData->nDataLength;
+  void *p = realloc(pData, sizeof(wxStringData) + (nLen + 1)*sizeof(wxChar));
+
+  wxASSERT_MSG( p != NULL, _T("can't free memory?") );
 
-  // we rely on a reasonable realloc() implementation here - so far I haven't
-  // seen any which wouldn't behave like this
+  if ( p != pData )
+  {
+      // contrary to what one might believe, some realloc() implementation do
+      // move the memory block even when its size is reduced
+      pData = (wxStringData *)p;
 
-  wxASSERT( p != NULL );  // can't free memory?
-  wxASSERT( p == pData ); // we're decrementing the size - block shouldn't move!
+      m_pchData = pData->data();
+  }
+
+  pData->nAllocLength = nLen;
 }
 
 // get the pointer to writable buffer of (at least) nLen bytes
@@ -591,6 +590,7 @@ wxString& wxString::operator=(wxChar ch)
   return *this;
 }
 
+
 // assigns C string
 wxString& wxString::operator=(const wxChar *psz)
 {
@@ -1093,26 +1093,26 @@ int wxString::Find(const wxChar *pszSub) const
 // conversion to numbers
 // ----------------------------------------------------------------------------
 
-bool wxString::ToLong(long *val) const
+bool wxString::ToLong(long *val, int base) const
 {
     wxCHECK_MSG( val, FALSE, _T("NULL pointer in wxString::ToLong") );
 
     const wxChar *start = c_str();
     wxChar *end;
-    *val = wxStrtol(start, &end, 10);
+    *val = wxStrtol(start, &end, base);
 
     // return TRUE only if scan was stopped by the terminating NUL and if the
     // string was not empty to start with
     return !*end && (end != start);
 }
 
-bool wxString::ToULong(unsigned long *val) const
+bool wxString::ToULong(unsigned long *val, int base) const
 {
     wxCHECK_MSG( val, FALSE, _T("NULL pointer in wxString::ToULong") );
 
     const wxChar *start = c_str();
     wxChar *end;
-    *val = wxStrtoul(start, &end, 10);
+    *val = wxStrtoul(start, &end, base);
 
     // return TRUE only if scan was stopped by the terminating NUL and if the
     // string was not empty to start with