make string at least empty (instead of containing garbage) if malloc() failed

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

diff --git a/src/common/wxchar.cpp b/src/common/wxchar.cpp
index a2b38784dd20ebedd67b8320f3cf9b19b81e2c79..6b2a005483c7cd0af6cc137d6627d79212cf19b1 100644 (file)
--- a/src/common/wxchar.cpp
+++ b/src/common/wxchar.cpp
@@ -6,7 +6,7 @@
 // Created:     09/04/99
 // RCS-ID:      $Id$
 // Copyright:   (c) wxWindows copyright
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -47,6 +47,14 @@
   #include <winnt.h>
 #endif
 
+#if defined(__MWERKS__) && __MSL__ >= 0x6000
+using namespace std ;
+#endif
+
+#ifdef __WXMAC__
+    #include "wx/mac/private.h"
+#endif
+
 #if wxUSE_WCHAR_T
 size_t WXDLLEXPORT wxMB2WC(wchar_t *buf, const char *psz, size_t n)
 {
@@ -848,7 +856,6 @@ int wxFscanf( FILE *stream, const wxChar *format, ... )
 {
     va_list argptr;
     va_start(argptr, format);
-
     int ret = vfwscanf(stream, wxFormatConverter(format), argptr);
 
     va_end(argptr);
@@ -937,6 +944,8 @@ int wxVsprintf( wxChar *str, const wxChar *format, va_list argptr )
 
 #endif // wxNEED_PRINTF_CONVERSION
 
+#if wxUSE_WCHAR_T
+
 // ----------------------------------------------------------------------------
 // ctype.h stuff (currently unused)
 // ----------------------------------------------------------------------------
@@ -1000,7 +1009,8 @@ int WXDLLEXPORT wxStricmp(const wxChar *psz1, const wxChar *psz2)
 #ifndef wxStricmp
 int WXDLLEXPORT wxStrnicmp(const wxChar *s1, const wxChar *s2, size_t n)
 {
-  register wxChar c1, c2;
+  // initialize the variables just to suppress stupid gcc warning
+  register wxChar c1 = 0, c2 = 0;
   while (n && ((c1 = wxTolower(*s1)) == (c2 = wxTolower(*s2)) ) && c1) n--, s1++, s2++;
   if (n) {
     if (c1 < c2) return -1;
@@ -1010,39 +1020,6 @@ int WXDLLEXPORT wxStrnicmp(const wxChar *s1, const wxChar *s2, size_t n)
 }
 #endif
 
-#ifndef wxStrtok
-WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
-{
-    if (!psz)
-    {
-        psz = *save_ptr;
-        if ( !psz )
-            return NULL;
-    }
-
-    psz += wxStrspn(psz, delim);
-    if (!*psz)
-    {
-        *save_ptr = (wxChar *)NULL;
-        return (wxChar *)NULL;
-    }
-
-    wxChar *ret = psz;
-    psz = wxStrpbrk(psz, delim);
-    if (!psz)
-    {
-        *save_ptr = (wxChar*)NULL;
-    }
-    else
-    {
-        *psz = wxT('\0');
-        *save_ptr = psz + 1;
-    }
-
-    return ret;
-}
-#endif // wxStrtok
-
 #ifndef wxSetlocale
 WXDLLEXPORT wxWCharBuffer wxSetlocale(int category, const wxChar *locale)
 {
@@ -1223,6 +1200,28 @@ WXDLLEXPORT long int wxStrtol(const wxChar *nptr, wxChar **endptr, int base)
 }
 #endif // wxNEED_WX_STRING_H
 
+#if defined(__WXMAC__) && !defined(__DARWIN__)
+WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
+{
+    return fopen( wxMacStringToCString(path), mode );
+}
+
+WXDLLEXPORT FILE * wxFreopen(const wxChar *path, const wxChar *mode, FILE *stream)
+{
+    return freopen( wxMacStringToCString(path), mode, stream );
+}
+
+WXDLLEXPORT int wxRemove(const wxChar *path)
+{
+    return remove( wxMacStringToCString(path) );
+}
+
+WXDLLEXPORT int wxRename(const wxChar *oldpath, const wxChar *newpath)
+{
+    return rename( wxMacStringToCString(oldpath), wxMacStringToCString(newpath) );
+}
+#endif
+
 #ifdef wxNEED_WX_STDIO_H
 WXDLLEXPORT FILE * wxFopen(const wxChar *path, const wxChar *mode)
 {
@@ -1310,7 +1309,7 @@ int WXDLLEXPORT wxSystem(const wxChar *psz)
     return system(wxConvLocal.cWX2MB(psz));
 }
 
-#endif
+#endif // wxNEED_WX_STDLIB_H
 
 #ifdef wxNEED_WX_TIME_H
 WXDLLEXPORT size_t   wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const struct tm *tm)
@@ -1332,4 +1331,63 @@ WXDLLEXPORT size_t   wxStrftime(wxChar *s, size_t max, const wxChar *fmt, const
         return 0;
   }
 }
+#endif // wxNEED_WX_TIME_H
+
+#endif // wxUSE_WCHAR_T
+
+// ----------------------------------------------------------------------------
+// functions which we may need even if !wxUSE_WCHAR_T
+// ----------------------------------------------------------------------------
+
+#ifndef wxStrtok
+
+WXDLLEXPORT wxChar * wxStrtok(wxChar *psz, const wxChar *delim, wxChar **save_ptr)
+{
+    if (!psz)
+    {
+        psz = *save_ptr;
+        if ( !psz )
+            return NULL;
+    }
+
+    psz += wxStrspn(psz, delim);
+    if (!*psz)
+    {
+        *save_ptr = (wxChar *)NULL;
+        return (wxChar *)NULL;
+    }
+
+    wxChar *ret = psz;
+    psz = wxStrpbrk(psz, delim);
+    if (!psz)
+    {
+        *save_ptr = (wxChar*)NULL;
+    }
+    else
+    {
+        *psz = wxT('\0');
+        *save_ptr = psz + 1;
+    }
+
+    return ret;
+}
+
+#endif // wxStrtok
+
+// ----------------------------------------------------------------------------
+// missing C RTL functions
+// ----------------------------------------------------------------------------
+
+#if defined( __MWERKS__ ) && !defined(__MACH__)
+#if __MSL__ < 0x00008000
+char *strdup(const char *s)
+{
+        return strcpy( (char*) malloc( strlen( s ) + 1 ) , s ) ;
+}
 #endif
+int isascii( int c )
+{
+        return ( c >= 0 && c < 128 ) ;
+}
+#endif // __MWERKS__
+