From: Bram Moolenaar <Bram@vim.org>
Date: Mon, 27 May 2019 20:01:40 +0000 (+0200)
Subject: patch 8.1.1411: Coverity warns for divide by zero
X-Git-Tag: v8.1.1411
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7833dab73c658e65f38553af89fd60c57a11ef49;p=thirdparty%2Fvim.git

patch 8.1.1411: Coverity warns for divide by zero

Problem:    Coverity warns for divide by zero.
Solution:   Make sure width is larger than zero.
---

diff --git a/src/charset.c b/src/charset.c
index 171eccbfce..12e10e1989 100644
--- a/src/charset.c
+++ b/src/charset.c
@@ -1105,15 +1105,16 @@ win_lbr_chartabsize(
 	    {
 		if (size + sbrlen + numberwidth > (colnr_T)wp->w_width)
 		{
-		    /* calculate effective window width */
+		    // calculate effective window width
 		    int width = (colnr_T)wp->w_width - sbrlen - numberwidth;
 		    int prev_width = col
 				 ? ((colnr_T)wp->w_width - (sbrlen + col)) : 0;
-		    if (width == 0)
-			width = (colnr_T)wp->w_width;
+
+		    if (width <= 0)
+			width = (colnr_T)1;
 		    added += ((size - prev_width) / width) * vim_strsize(p_sbr);
 		    if ((size - prev_width) % width)
-			/* wrapped, add another length of 'sbr' */
+			// wrapped, add another length of 'sbr'
 			added += vim_strsize(p_sbr);
 		}
 		else
diff --git a/src/version.c b/src/version.c
index 1fa7db403e..b0cb4c1ded 100644
--- a/src/version.c
+++ b/src/version.c
@@ -767,6 +767,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1411,
 /**/
     1410,
 /**/