diff options
| author | Michael R Sweet <michael.r.sweet@gmail.com> | 2002-11-19 16:45:32 +0000 |
|---|---|---|
| committer | Michael R Sweet <michael.r.sweet@gmail.com> | 2002-11-19 16:45:32 +0000 |
| commit | 1e4a969337850e87d5de5ada49c1c28e98072b53 (patch) | |
| tree | 60660d28237cc7dea1a8b610d3a6ae38c2f98a2b /src/Fl_Text_Display.cxx | |
| parent | a74795bbb88ffee1cc35144466c161f2bf585e1f (diff) | |
Range check the visLineNum argument...
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2846 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'src/Fl_Text_Display.cxx')
| -rw-r--r-- | src/Fl_Text_Display.cxx | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/Fl_Text_Display.cxx b/src/Fl_Text_Display.cxx index 889277df3..0b77ea2e2 100644 --- a/src/Fl_Text_Display.cxx +++ b/src/Fl_Text_Display.cxx @@ -1,5 +1,5 @@ // -// "$Id: Fl_Text_Display.cxx,v 1.12.2.38 2002/11/19 16:37:35 easysw Exp $" +// "$Id: Fl_Text_Display.cxx,v 1.12.2.39 2002/11/19 16:45:32 easysw Exp $" // // Copyright 2001-2002 by Bill Spitzak and others. // Original code Copyright Mark Edel. Permission to distribute under @@ -2278,7 +2278,12 @@ int Fl_Text_Display::empty_vlines() { ** entries in the line starts array rather than by scanning for newlines */ int Fl_Text_Display::vline_length( int visLineNum ) { - int nextLineStart, lineStartPos = mLineStarts[ visLineNum ]; + int nextLineStart, lineStartPos; + + if (visLineNum < 0 || visLineNum >= mNVisibleLines) + return (0); + + lineStartPos = mLineStarts[ visLineNum ]; if ( lineStartPos == -1 ) return 0; @@ -3030,5 +3035,5 @@ int Fl_Text_Display::handle(int event) { // -// End of "$Id: Fl_Text_Display.cxx,v 1.12.2.38 2002/11/19 16:37:35 easysw Exp $". +// End of "$Id: Fl_Text_Display.cxx,v 1.12.2.39 2002/11/19 16:45:32 easysw Exp $". // |