X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/caff62f22d16af7350d86151929dae99ebb36182..7a5e53abb3f9ea13eba2880972306446e4e21e83:/src/common/string.cpp

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 503ff915c9..2401cc6388 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -100,6 +100,8 @@ extern const wxChar WXDLLIMPEXP_BASE *wxEmptyString = &g_strEmpty.dummy;
 //
 // ATTN: you can _not_ use both of these in the same program!
 
+#include <iostream>
+
 wxSTD istream& operator>>(wxSTD istream& is, wxString& WXUNUSED(str))
 {
 #if 0
@@ -168,6 +170,8 @@ wxSTD ostream& operator<<(wxSTD ostream& os, const wxString& str)
   #define STATISTICS_ADD(av, val)
 #endif // WXSTRING_STATISTICS
 
+#if !wxUSE_STL
+
 // ===========================================================================
 // wxStringData class deallocation
 // ===========================================================================
@@ -180,8 +184,6 @@ void wxStringData::Free()
 }
 #endif
 
-#if !wxUSE_STL
-
 // ===========================================================================
 // wxStringBase
 // ===========================================================================
@@ -405,6 +407,20 @@ bool wxStringBase::Alloc(size_t nLen)
   //else: we've already got enough
   return TRUE;
 }
+  
+wxStringBase::iterator wxStringBase::begin()
+{
+    if (length() > 0)
+        CopyBeforeWrite();
+    return m_pchData;
+}
+
+wxStringBase::iterator wxStringBase::end()
+{
+    if (length() > 0)
+        CopyBeforeWrite();
+    return m_pchData + length();
+}
 
 wxStringBase::iterator wxStringBase::erase(iterator it)
 {
@@ -946,12 +962,25 @@ int STRINGCLASS::compare(size_t nStart, size_t nLen,
 // from multibyte string
 wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
 {
+    // if nLength != npos, then we have to make a NULL-terminated copy
+    // of first nLength bytes of psz first because the input buffer to MB2WC
+    // must always be NULL-terminated:
+    wxCharBuffer inBuf((const char *)NULL);
+    if (nLength != npos)
+    {
+        wxCharBuffer tmp(nLength);
+        memcpy(tmp.data(), psz, nLength);
+        tmp.data()[nLength] = '\0';
+        inBuf = tmp;
+        psz = inBuf.data();
+    }
+    
     // first get the size of the buffer we need
     size_t nLen;
     if ( psz )
     {
         // calculate the needed size ourselves or use the provided one
-        nLen = nLength == npos ? conv.MB2WC(NULL, psz, 0) : nLength;
+        nLen = conv.MB2WC(NULL, psz, 0);
     }
     else
     {
@@ -968,7 +997,7 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
         }
         else
         {
-            wxWCharBuffer buf(nLen + 1);
+            wxWCharBuffer buf(nLen);
             // MB2WC wants the buffer size, not the string length hence +1
             nLen = conv.MB2WC(buf.data(), psz, nLen + 1);
 
@@ -990,12 +1019,25 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
 // from wide string
 wxString::wxString(const wchar_t *pwz, wxMBConv& conv, size_t nLength)
 {
+    // if nLength != npos, then we have to make a NULL-terminated copy
+    // of first nLength chars of psz first because the input buffer to WC2MB
+    // must always be NULL-terminated:
+    wxWCharBuffer inBuf((const wchar_t *)NULL);
+    if (nLength != npos)
+    {
+        wxWCharBuffer tmp(nLength);
+        memcpy(tmp.data(), pwz, nLength * sizeof(wchar_t));
+        tmp.data()[nLength] = '\0';
+        inBuf = tmp;
+        pwz = inBuf.data();
+    }
+    
     // first get the size of the buffer we need
     size_t nLen;
     if ( pwz )
     {
         // calculate the needed size ourselves or use the provided one
-        nLen = nLength == npos ? conv.WC2MB(NULL, pwz, 0) : nLength;
+        nLen = conv.WC2MB(NULL, pwz, 0);
     }
     else
     {
@@ -2325,12 +2367,12 @@ bool wxArrayString::operator==(const wxArrayString& a) const
 
 #endif // !wxUSE_STL
 
-int wxStringSortAscending(wxString* s1, wxString* s2)
+int wxCMPFUNC_CONV wxStringSortAscending(wxString* s1, wxString* s2)
 {
     return wxStrcmp(s1->c_str(), s2->c_str());
 }
 
-int wxStringSortDescending(wxString* s1, wxString* s2)
+int wxCMPFUNC_CONV wxStringSortDescending(wxString* s1, wxString* s2)
 {
     return -wxStrcmp(s1->c_str(), s2->c_str());
 }