The branch main has been updated by yuripv:
URL:
https://cgit.FreeBSD.org/src/commit/?id=0cb61a320a7036f674f70e6487a5b0e44deb73b9
commit 0cb61a320a7036f674f70e6487a5b0e44deb73b9
Author: Yuri Pankov <yur...@freebsd.org>
AuthorDate: 2021-04-11 21:44:29 +0000
Commit: Yuri Pankov <yur...@freebsd.org>
CommitDate: 2021-04-11 21:48:45 +0000
ee: restore the stdin/stdout terminal check
This seems to have been lost during updates from upstream, and
was reported (on IRC) as a nice feature to have (again).
Reviewed by: bapt
Differential Revision: https://reviews.freebsd.org/D28689
---
contrib/ee/ee.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/contrib/ee/ee.c b/contrib/ee/ee.c
index 70a44076f882..5706dba1a20f 100644
--- a/contrib/ee/ee.c
+++ b/contrib/ee/ee.c
@@ -554,6 +554,13 @@ char *argv[];
for (counter = 1; counter < 24; counter++)
signal(counter, SIG_IGN);
+ /* Always read from (and write to) a terminal. */
+ if (!isatty(STDIN_FILENO) || !isatty(STDOUT_FILENO)) {
+ fprintf(stderr,
+ "ee's standard input and output must be a terminal\n");
+ exit(1);
+ }
+
signal(SIGCHLD, SIG_DFL);
signal(SIGSEGV, SIG_DFL);
signal(SIGINT, edit_abort);
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