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diff src/window.c @ 30525:6fa498af368d v9.0.0598

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patch 9.0.0598: using negative array index with negative width window Commit: https://github.com/vim/vim/commit/8279af514ca7e5fd3c31cf13b0864163d1a0bfeb Author: Bram Moolenaar <Bram@vim.org> Date: Mon Sep 26 23:08:22 2022 +0100 patch 9.0.0598: using negative array index with negative width window Problem: Using negative array index with negative width window. Solution: Make sure the window width does not become negative.
author Bram Moolenaar <Bram@vim.org>
date Tue, 27 Sep 2022 00:15:06 +0200
parents e3091fc473a1
children 04df44c52d65
line wrap: on
line diff
--- a/src/window.c
+++ b/src/window.c
@@ -2089,6 +2089,8 @@ win_equal_rec(
 		if (hnc)	    // add next_curwin size
 		{
 		    next_curwin_size -= p_wiw - (m - n);
+		    if (next_curwin_size < 0)
+			next_curwin_size = 0;
 		    new_size += next_curwin_size;
 		    room -= new_size - next_curwin_size;
 		}
@@ -6611,7 +6613,8 @@ scroll_to_fraction(win_T *wp, int prev_h
     void
 win_new_width(win_T *wp, int width)
 {
-    wp->w_width = width;
+    // Should we give an error if width < 0?
+    wp->w_width = width < 0 ? 0 : width;
     wp->w_lines_valid = 0;
     changed_line_abv_curs_win(wp);
     // Handled in win_fix_scroll()