Allow for multiple CHM controllers in app (don't leak dynamic libs)

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

diff --git a/src/common/regex.cpp b/src/common/regex.cpp
index 1d5a9f6323481726cbee6b8ade87a7cf0555e38f..943fc2c46b4447128ad40dd8b9a5da734b8e0fa0 100644 (file)
--- a/src/common/regex.cpp
+++ b/src/common/regex.cpp
@@ -38,8 +38,8 @@
     #include "wx/intl.h"
 #endif //WX_PRECOMP
 
-// FreeBSD requires this, it probably doesn't hurt for others
-#ifdef __UNIX__
+// FreeBSD & Watcom require this, it probably doesn't hurt for others
+#if defined(__UNIX__) || defined(__WATCOMC__) || defined(__DIGITALMARS__)
     #include <sys/types.h>
 #endif
 
@@ -73,17 +73,33 @@ private:
     // return the string containing the error message for the given err code
     wxString GetErrorMsg(int errorcode) const;
 
+    // init the members
+    void Init()
+    {
+        m_isCompiled = FALSE;
+        m_Matches = NULL;
+        m_nMatches = 0;
+    }
+
     // free the RE if compiled
     void Free()
     {
         if ( IsValid() )
         {
             regfree(&m_RegEx);
-
-            m_isCompiled = FALSE;
         }
+
+        delete [] m_Matches;
     }
 
+    // free the RE if any and reinit the members
+    void Reinit()
+    {
+        Free();
+        Init();
+    }
+
+
     // compiled RE
     regex_t     m_RegEx;
 
@@ -105,16 +121,12 @@ private:
 
 wxRegExImpl::wxRegExImpl()
 {
-    m_isCompiled = FALSE;
-    m_Matches = NULL;
-    m_nMatches = 0;
+    Init();
 }
 
 wxRegExImpl::~wxRegExImpl()
 {
     Free();
-
-    delete [] m_Matches;
 }
 
 wxString wxRegExImpl::GetErrorMsg(int errorcode) const
@@ -132,7 +144,7 @@ wxString wxRegExImpl::GetErrorMsg(int errorcode) const
 
         (void)regerror(errorcode, &m_RegEx, (char *)buf.data(), len);
 
-        msg = buf.data();
+        msg = wxString(buf.data(), wxConvLibc);
 #else // !Unicode
         (void)regerror(errorcode, &m_RegEx, msg.GetWriteBuf(len), len);
 
@@ -149,7 +161,7 @@ wxString wxRegExImpl::GetErrorMsg(int errorcode) const
 
 bool wxRegExImpl::Compile(const wxString& expr, int flags)
 {
-    Free();
+    Reinit();
 
     // translate our flags to regcomp() ones
     wxASSERT_MSG( !(flags &