# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1593463507 -7200
# Node ID ce4c58bc5e9e2dce0a7e78ba7e8aa37fdea536d5
# Parent  5ec0c522a05c4e6f928949f0c31347b4664efa0c
patch 8.2.1091: no check if opening a pty works

Commit: https://github.com/vim/vim/commit/d034220c54c63daaa2841e97b653842a47f5e90e
Author: Bram Moolenaar <Bram@vim.org>
Date:   Mon Jun 29 22:40:42 2020 +0200

    patch 8.2.1091: no check if opening a pty works

    Problem:    No check if opening a pty works.
    Solution:   Check for invalid file descriptor.

diff --git a/src/os_unix.c b/src/os_unix.c
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -5922,6 +5922,8 @@ mch_create_pty_channel(job_T *job, jobop
     channel_T	*channel;
 
     open_pty(&pty_master_fd, &pty_slave_fd, &job->jv_tty_out, &job->jv_tty_in);
+    if (pty_master_fd < 0 || pty_slave_fd < 0)
+	return FAIL;
     close(pty_slave_fd);
 
     channel = add_channel();
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1091,
+/**/
     1090,
 /**/
     1089,