From: Michael D. Lowis <mike.lowis@gentex.com>
Date: Thu, 2 Feb 2017 17:38:48 +0000 (-0500)
Subject: fixed view api to not segfault when a view has 0 rows
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=a275f2aaaf690ba00e57d5be940ace2162c13a6d;p=projs%2Ftide.git

fixed view api to not segfault when a view has 0 rows
---

diff --git a/lib/view.c b/lib/view.c
index 36511ae..e01c036 100644
--- a/lib/view.c
+++ b/lib/view.c
@@ -71,6 +71,7 @@ static size_t fill_row(View* view, unsigned row, size_t pos) {
 }
 
 static void reflow(View* view) {
+    if (!view->nrows) return;
     size_t pos = view->rows[0]->off;
     for (size_t y = 0; y < view->nrows; y++)
         pos = fill_row(view, y, pos);
@@ -140,6 +141,7 @@ static void sync_center(View* view, size_t csr) {
 }
 
 static void sync_view(View* view, size_t csr) {
+    if (!view->nrows) return;
     unsigned first = view->rows[0]->off;
     unsigned last  = view->rows[view->nrows-1]->off + view->rows[view->nrows-1]->rlen - 1;
     while (csr < first)