Prevent invalid variable widths in variable sheet.

diff --git a/src/ui/gui/psppire-var-store.c b/src/ui/gui/psppire-var-store.c
index 8c400890a86667642b5681a71b8d02cdd3b8208e..aadc585548582fc79629dca6b580e271ad6c7cde 100644 (file)
--- a/src/ui/gui/psppire-var-store.c
+++ b/src/ui/gui/psppire-var-store.c
@@ -484,10 +484,19 @@ psppire_var_store_set_string (PsppireSheetModel *model,
       break;
     case PSPPIRE_VAR_STORE_COL_WIDTH:
       {
-       int width = atoi (text);
-       if ( ! text) return FALSE;
+       const int width = atoi (text);
+       if ( ! text)
+         return FALSE;
+
+       if (width < 0)
+         return FALSE;
+
        if ( var_is_alpha (pv))
+         {
+           if ( width > MAX_STRING )
+             return FALSE;
            var_set_width (pv, width);
+         }
        else
          {
             bool for_input