STR #1014: FLTK's CR/LF conversion would crash if the clipboard was empty

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@4555 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 6 insertions, 2 deletions

diff --git a/src/Fl_win32.cxx b/src/Fl_win32.cxx
index cc1ee7720..5628dfd9d 100644
--- a/src/Fl_win32.cxx
+++ b/src/Fl_win32.cxx
@@ -454,9 +454,13 @@ void Fl::paste(Fl_Widget &receiver, int clipboard) {
     // called in response to FL_PASTE!
 
     // Convert \r\n -> \n
+    char *i = fl_selection_buffer[clipboard];
+    if (i==0L) {
+      Fl::e_text = 0; 
+      return;
+    }
     Fl::e_text = new char[fl_selection_length[clipboard]+1];
-    char *i = fl_selection_buffer[clipboard], 
-         *o = Fl::e_text;
+    char *o = Fl::e_text;
     while (*i) {
       if ( *i == '\r' && *(i+1) == '\n') i++;
       else *o++ = *i++;