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| author | Matthias Melcher <github@matthiasm.com> | 2023-11-23 00:03:35 +0100 |
|---|---|---|
| committer | Matthias Melcher <github@matthiasm.com> | 2023-11-23 00:03:35 +0100 |
| commit | de2dd0cddf79ace6ca285f2fc5b3e5cfd2298b44 (patch) | |
| tree | ae8c275fdaea446560d073711d006394e2e19bd0 /src/Fl_Tile.cxx | |
| parent | 8041a62e594400d3cca487a4b07119a000a3020c (diff) | |
Adds zero size check in Fl_Tile::on_move
Diffstat (limited to 'src/Fl_Tile.cxx')
| -rw-r--r-- | src/Fl_Tile.cxx | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/Fl_Tile.cxx b/src/Fl_Tile.cxx index 5c26d3f10..41147c38a 100644 --- a/src/Fl_Tile.cxx +++ b/src/Fl_Tile.cxx @@ -706,8 +706,9 @@ int Fl_Tile::on_move(int oldIndex, int newIndex) { */ void Fl_Tile::on_remove(int index) { if (size_range_) { - if ((index >= 0) && (index < size_range_size_)) - memmove(size_range_+index, size_range_+index+1, sizeof(Size_Range)*(size_range_size_-index-1)); + int num_trailing = size_range_size_-index-1; + if ((index >= 0) && (index < size_range_size_) && (num_trailing > 0)) + memmove(size_range_+index, size_range_+index+1, sizeof(Size_Range)*num_trailing); size_range_size_--; } } |