From 0605d8c5f4c9b7296ef75bf12ce6c2fa72465bc3 Mon Sep 17 00:00:00 2001
From: "Michael D. Lowis" <mike@mdlowis.com>
Date: Sun, 1 Dec 2019 21:30:11 -0500
Subject: [PATCH] fixed null pointer access on xpty_send

---
 src/lib/xpty.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/lib/xpty.c b/src/lib/xpty.c
index 3434244..97ab01d 100644
--- a/src/lib/xpty.c
+++ b/src/lib/xpty.c
@@ -256,10 +256,13 @@ void xpty_send(char* cmd)
     {
         EditView->buffer.selection.beg = EditView->buffer.point.end;
         EditView->buffer.selection.end = EditView->buffer.point.end;
-        size_t plen = strlen(PromptStr);
-        if (PromptStr && !strncmp(PromptStr, cmd, plen))
+        if (PromptStr)
         {
-            cmd += plen;
+            size_t plen = strlen(PromptStr);
+            if (!strncmp(PromptStr, cmd, plen))
+            {
+                cmd += strlen(PromptStr);
+            }
         }
         view_putstr(EditView, cmd);
         if (*cmd && cmd[strlen(cmd)-1] != '\n')
-- 
2.52.0