From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Sat, 17 Jul 2004 15:47:22 +0000 (+0000)
Subject: Division by zero (which criminally failed to give rise to any kind
X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/halibut/commitdiff_plain/416dfe1719254d4718888fdbb0b0ac6d3ad91705

Division by zero (which criminally failed to give rise to any kind
of signal!) was causing massive misplacement of the single line of
text on a one-line page in PS and PDF.


git-svn-id: svn://svn.tartarus.org/sgt/halibut@4330 cda61777-01e9-0310-a592-d414129be87e
---

diff --git a/bk_paper.c b/bk_paper.c
index b38060f..a8479c7 100644
--- a/bk_paper.c
+++ b/bk_paper.c
@@ -1691,9 +1691,11 @@ static page_data *page_breaks(line_data *first, line_data *last,
 	    text += l->line_height;
 
 	    l->page = page;
-	    l->ypos = text + space + head +
-		space * (float)page->first_line->vshortfall[n] /
-		page->first_line->space[n];
+	    l->ypos = text + space + head;
+	    if (page->first_line->space[n]) {
+		l->ypos += space * (float)page->first_line->vshortfall[n] /
+		    page->first_line->space[n];
+	    }
 
 	    if (l == page->last_line)
 		break;