X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4d14b524495fcf5f65c5c2e6e7ed7e084dc6355e..d1427b705318677afe28b1291867f6930c8823a7:/src/common/string.cpp

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 49b3c74f86..1273610fb6 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -34,6 +34,7 @@
 #ifndef WX_PRECOMP
 #include "wx/defs.h"
 #include "wx/string.h"
+#include <wx/intl.h>
 #endif
 
 #include <ctype.h>
@@ -46,7 +47,8 @@
 
 // allocating extra space for each string consumes more memory but speeds up
 // the concatenation operations (nLen is the current string's length)
-#define EXTRA_ALLOC       16
+// NB: EXTRA_ALLOC must be >= 0!
+#define EXTRA_ALLOC       (19 - nLen % 16)
 
 // ---------------------------------------------------------------------------
 // static class variables definition
@@ -258,7 +260,7 @@ void wxString::CopyBeforeWrite()
     memcpy(m_pchData, pData->data(), nLen*sizeof(char));
   }
 
-  wxASSERT( !pData->IsShared() );  // we must be the only owner
+  wxASSERT( !GetStringData()->IsShared() );  // we must be the only owner
 }
 
 // must be called before replacing contents of this string
@@ -323,8 +325,14 @@ void wxString::Alloc(uint nLen)
 void wxString::Shrink()
 {
   wxStringData *pData = GetStringData();
-  void *p = realloc(pData, sizeof(wxStringData) +
-                    (pData->nDataLength + 1)*sizeof(char));
+
+  // 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(char));
+
   wxASSERT( p != NULL );  // can't free memory?
   wxASSERT( p == pData ); // we're decrementing the size - block shouldn't move!
 }
@@ -1073,6 +1081,8 @@ wxArrayString::wxArrayString()
 // copy ctor
 wxArrayString::wxArrayString(const wxArrayString& src)
 {
+  m_nSize  =
+  m_nCount = 0;
   m_pItems = NULL;
 
   *this = src;
@@ -1081,9 +1091,9 @@ wxArrayString::wxArrayString(const wxArrayString& src)
 // assignment operator
 wxArrayString& wxArrayString::operator=(const wxArrayString& src)
 {
-  DELETEA(m_pItems);
+  if ( m_nSize > 0 )
+    Clear();
 
-  m_nSize = 0;
   if ( src.m_nCount > ARRAY_DEFAULT_INITIAL_SIZE )
     Alloc(src.m_nCount);
 
@@ -1092,6 +1102,9 @@ wxArrayString& wxArrayString::operator=(const wxArrayString& src)
   for ( uint n = 0; n < src.m_nCount; n++ )
     Add(src[n]);
 
+  if ( m_nCount != 0 )
+    memcpy(m_pItems, src.m_pItems, m_nCount*sizeof(char *));
+
   return *this;
 }
 
@@ -1106,8 +1119,12 @@ void wxArrayString::Grow()
       m_pItems = new char *[m_nSize];
     }
     else {
+      // otherwise when it's called for the first time, nIncrement would be 0
+      // and the array would never be expanded
+      wxASSERT( ARRAY_DEFAULT_INITIAL_SIZE != 0 );
+
       // add 50% but not too much
-      size_t nIncrement = m_nSize < ARRAY_DEFAULT_INITIAL_SIZE 
+      size_t nIncrement = m_nSize < ARRAY_DEFAULT_INITIAL_SIZE
                           ? ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1;
       if ( nIncrement > ARRAY_MAXSIZE_INCREMENT )
         nIncrement = ARRAY_MAXSIZE_INCREMENT;
@@ -1118,7 +1135,7 @@ void wxArrayString::Grow()
       memcpy(pNew, m_pItems, m_nCount*sizeof(char *));
 
       // delete old memory (but do not release the strings!)
-      DELETEA(m_pItems);
+      wxDELETEA(m_pItems);
 
       m_pItems = pNew;
     }
@@ -1148,8 +1165,7 @@ void wxArrayString::Clear()
   m_nSize  =
   m_nCount = 0;
 
-  DELETEA(m_pItems);
-  m_pItems = NULL;
+  wxDELETEA(m_pItems);
 }
 
 // dtor
@@ -1157,7 +1173,7 @@ wxArrayString::~wxArrayString()
 {
   Free();
 
-  DELETEA(m_pItems);
+  wxDELETEA(m_pItems);
 }
 
 // pre-allocates memory (frees the previous data!)
@@ -1168,7 +1184,7 @@ void wxArrayString::Alloc(size_t nSize)
   // only if old buffer was not big enough
   if ( nSize > m_nSize ) {
     Free();
-    DELETEA(m_pItems);
+    wxDELETEA(m_pItems);
     m_pItems = new char *[nSize];
     m_nSize  = nSize;
   }
@@ -1216,7 +1232,7 @@ void wxArrayString::Insert(const wxString& str, size_t nIndex)
 {
   wxASSERT( str.GetStringData()->IsValid() );
 
-  wxCHECK_RET( nIndex <= m_nCount, "bad index in wxArrayString::Insert" );
+  wxCHECK_RET( nIndex <= m_nCount, ("bad index in wxArrayString::Insert") );
 
   Grow();
 
@@ -1232,7 +1248,7 @@ void wxArrayString::Insert(const wxString& str, size_t nIndex)
 // removes item from array (by index)
 void wxArrayString::Remove(size_t nIndex)
 {
-  wxCHECK_RET( nIndex <= m_nCount, "bad index in wxArrayString::Remove" );
+  wxCHECK_RET( nIndex <= m_nCount, _("bad index in wxArrayString::Remove") );
 
   // release our lock
   Item(nIndex).GetStringData()->Unlock();
@@ -1248,14 +1264,14 @@ void wxArrayString::Remove(const char *sz)
   int iIndex = Index(sz);
 
   wxCHECK_RET( iIndex != NOT_FOUND,
-               "removing inexistent element in wxArrayString::Remove" );
+               _("removing inexistent element in wxArrayString::Remove") );
 
   Remove((size_t)iIndex);
 }
 
 // sort array elements using passed comparaison function
 
-void wxArrayString::Sort(bool bCase, bool bReverse)
+void wxArrayString::Sort(bool WXUNUSED(bCase), bool WXUNUSED(bReverse) )
 {
   //@@@@ TO DO
   //qsort(m_pItems, m_nCount, sizeof(char *), fCmp);