fixed bug with not NUL-terminating the string in GAddress_UNIX_SetPath

[wxWidgets.git] / src / common / string.cpp

diff --git a/src/common/string.cpp b/src/common/string.cpp
index c7ce4c3d1cc9e2b6f3a0d49305fa7830081e81b2..d8a1d812b29b8990deb8c597db5227327d3cb815 100644 (file)
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -38,8 +38,6 @@
   #include "wx/thread.h"
 #endif
 
-#include "wx/regex.h"   // for wxString::Matches()
-
 #include <ctype.h>
 #include <string.h>
 #include <stdlib.h>
@@ -48,13 +46,9 @@
   #include <clib.h>
 #endif
 
-#ifdef  WXSTRING_IS_WXOBJECT
-  IMPLEMENT_DYNAMIC_CLASS(wxString, wxObject)
-#endif  //WXSTRING_IS_WXOBJECT
-
 #if wxUSE_UNICODE
-#undef wxUSE_EXPERIMENTAL_PRINTF
-#define wxUSE_EXPERIMENTAL_PRINTF 1
+    #undef wxUSE_EXPERIMENTAL_PRINTF
+    #define wxUSE_EXPERIMENTAL_PRINTF 1
 #endif
 
 // allocating extra space for each string consumes more memory but speeds up
@@ -135,7 +129,7 @@ extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy;
     #endif //compiler
 #endif // no vsnprintf
 
-#ifdef _AIX
+#if defined(_AIX)
   // AIX has vsnprintf, but there's no prototype in the system headers.
   extern "C" int vsnprintf(char* str, size_t n, const char* format, va_list ap);
 #endif
@@ -342,10 +336,17 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
 
 #if wxUSE_WCHAR_T
 // from wide string
-wxString::wxString(const wchar_t *pwz, wxMBConv& conv)
+wxString::wxString(const wchar_t *pwz, wxMBConv& conv, size_t nLength)
 {
   // first get necessary size
-  size_t nLen = pwz ? conv.WC2MB((char *) NULL, pwz, 0) : 0;
+  size_t nLen = 0;
+  if (pwz)
+  {
+    if (nLength == wxSTRING_MAXLEN)
+      nLen = conv.WC2MB((char *) NULL, pwz, 0);
+    else
+      nLen = nLength;
+  }
 
   // empty?
   if ( (nLen != 0) && (nLen != (size_t)-1) ) {
@@ -1096,6 +1097,7 @@ int wxString::Find(const wxChar *pszSub) const
 bool wxString::ToLong(long *val, int base) const
 {
     wxCHECK_MSG( val, FALSE, _T("NULL pointer in wxString::ToLong") );
+    wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") );
 
     const wxChar *start = c_str();
     wxChar *end;
@@ -1109,6 +1111,7 @@ bool wxString::ToLong(long *val, int base) const
 bool wxString::ToULong(unsigned long *val, int base) const
 {
     wxCHECK_MSG( val, FALSE, _T("NULL pointer in wxString::ToULong") );
+    wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") );
 
     const wxChar *start = c_str();
     wxChar *end;
@@ -1458,7 +1461,11 @@ int wxString::PrintfV(const wxChar* pszFormat, va_list argptr)
 // of them)
 bool wxString::Matches(const wxChar *pszMask) const
 {
-#if wxUSE_REGEX
+    // I disable this code as it doesn't seem to be faster (in fact, it seems
+    // to be much slower) than the old, hand-written code below and using it
+    // here requires always linking with libregex even if the user code doesn't
+    // use it
+#if 0 // wxUSE_REGEX
     // first translate the shell-like mask into a regex
     wxString pattern;
     pattern.reserve(wxStrlen(pszMask));
@@ -1632,7 +1639,7 @@ void wxString::resize(size_t nSize, wxChar ch)
     }
     else if ( nSize > len )
     {
-        *this += wxString(ch, len - nSize);
+        *this += wxString(ch, nSize - len);
     }
     //else: we have exactly the specified length, nothing to do
 }
@@ -1698,7 +1705,7 @@ size_t wxString::find(wxChar ch, size_t nStart) const
 size_t wxString::rfind(const wxString& str, size_t nStart) const
 {
   wxASSERT( str.GetStringData()->IsValid() );
-  wxASSERT( nStart <= Len() );
+  wxASSERT( nStart == npos || nStart <= Len() );
 
   // TODO could be made much quicker than that
   const wxChar *p = c_str() + (nStart == npos ? Len() : nStart);
@@ -1715,7 +1722,7 @@ size_t wxString::rfind(const wxString& str, size_t nStart) const
 #if !defined(__VISUALC__) || defined(__WIN32__)
 size_t wxString::rfind(const wxChar* sz, size_t nStart, size_t n) const
 {
-    return rfind(wxString(sz, n == npos ? 0 : n), nStart);
+    return rfind(wxString(sz, n == npos ? wxSTRING_MAXLEN : n), nStart);
 }
 
 size_t wxString::rfind(wxChar ch, size_t nStart) const
@@ -1892,16 +1899,17 @@ wxString& wxString::replace(size_t nStart, size_t nLen,
 // ArrayString
 // ============================================================================
 
-// size increment = max(50% of current size, ARRAY_MAXSIZE_INCREMENT)
+// size increment = min(50% of current size, ARRAY_MAXSIZE_INCREMENT)
 #define   ARRAY_MAXSIZE_INCREMENT       4096
+
 #ifndef   ARRAY_DEFAULT_INITIAL_SIZE    // also defined in dynarray.h
-  #define   ARRAY_DEFAULT_INITIAL_SIZE    (16)
+#define   ARRAY_DEFAULT_INITIAL_SIZE    (16)
 #endif
 
 #define   STRING(p)   ((wxString *)(&(p)))
 
 // ctor
-wxArrayString::wxArrayString(bool autoSort)
+void wxArrayString::Init(bool autoSort)
 {
   m_nSize  =
   m_nCount = 0;
@@ -1912,10 +1920,7 @@ wxArrayString::wxArrayString(bool autoSort)
 // copy ctor
 wxArrayString::wxArrayString(const wxArrayString& src)
 {
-  m_nSize  =
-  m_nCount = 0;
-  m_pItems = (wxChar **) NULL;
-  m_autoSort = src.m_autoSort;
+  Init(src.m_autoSort);
 
   *this = src;
 }
@@ -2017,8 +2022,6 @@ wxArrayString::~wxArrayString()
 // pre-allocates memory (frees the previous data!)
 void wxArrayString::Alloc(size_t nSize)
 {
-  wxASSERT( nSize > 0 );
-
   // only if old buffer was not big enough
   if ( nSize > m_nSize ) {
     Free();
@@ -2045,6 +2048,21 @@ void wxArrayString::Shrink()
   }
 }
 
+// return a wxString[] as required for some control ctors.
+wxString* wxArrayString::GetStringArray() const
+{
+    wxString *array = 0;
+
+    if( m_nCount > 0 )
+    {
+        array = new wxString[m_nCount];
+        for( size_t i = 0; i < m_nCount; i++ )
+            array[i] = m_pItems[i];
+    }
+
+    return array;
+}
+
 // searches the array for an item (forward or backwards)
 int wxArrayString::Index(const wxChar *sz, bool bCase, bool bFromEnd) const
 {
@@ -2156,6 +2174,16 @@ void wxArrayString::Insert(const wxString& str, size_t nIndex)
   m_nCount++;
 }
 
+// expand the array
+void wxArrayString::SetCount(size_t count)
+{
+    Alloc(count);
+
+    wxString s;
+    while ( m_nCount < count )
+        m_pItems[m_nCount++] = (wxChar *)s.c_str();
+}
+
 // removes item from array (by index)
 void wxArrayString::Remove(size_t nIndex)
 {
@@ -2212,7 +2240,8 @@ static wxArrayString::CompareFunction gs_compareFunction = NULL;
 static bool gs_sortAscending = TRUE;
 
 // function which is called by quick sort
-static int LINKAGEMODE wxStringCompareFunction(const void *first, const void *second)
+extern "C" int LINKAGEMODE
+wxStringCompareFunction(const void *first, const void *second)
 {
   wxString *strFirst = (wxString *)first;
   wxString *strSecond = (wxString *)second;