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a warning in the release build suppressed

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@327 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 1998-07-23 15:56:30 +00:00
parent 14d1ccd89d
commit 3bbb630a21
1 changed files with 20 additions and 5 deletions
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23
src/common/string.cpp
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@ -258,7 +258,7 @@ 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 +323,14 @@ 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 +1079,8 @@ wxArrayString::wxArrayString()
// copy ctor
wxArrayString::wxArrayString(const wxArrayString& src)
{
m_nSize =
m_nCount = 0;
m_pItems = NULL;
*this = src;
@ -1081,7 +1089,7 @@ wxArrayString::wxArrayString(const wxArrayString& src)
// assignment operator
wxArrayString& wxArrayString::operator=(const wxArrayString& src)
{
DELETEA(m_pItems);
Clear();
m_nSize = 0;
if ( src.m_nCount > ARRAY_DEFAULT_INITIAL_SIZE )
@ -1092,6 +1100,9 @@ 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;
}
@ -1106,6 +1117,10 @@ 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
? ARRAY_DEFAULT_INITIAL_SIZE : m_nSize >> 1;