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-rw-r--r--runtime/doc/eval.txt2
-rw-r--r--src/nvim/eval.c4
-rw-r--r--src/nvim/globals.h27
-rw-r--r--src/nvim/main.c6
4 files changed, 24 insertions, 15 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 300bdd061e..271adc833d 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -8317,6 +8317,8 @@ termresponse Compiled with support for |t_RV| and |v:termresponse|.
textobjects Compiled with support for |text-objects|.
timers Compiled with |timer_start()| support.
title Compiled with window title support |'title'|.
+ttyin input is a terminal (tty)
+ttyout output is a terminal (tty)
unix Unix version of Vim.
unnamedplus Compiled with support for "unnamedplus" in 'clipboard'
user_commands User-defined commands.
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index c7cb51ac29..9752851d4e 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -10672,6 +10672,10 @@ static void f_has(typval_T *argvars, typval_T *rettv, FunPtr fptr)
n = has_nvim_version(name + 5);
} else if (STRICMP(name, "vim_starting") == 0) {
n = (starting != 0);
+ } else if (STRICMP(name, "ttyin") == 0) {
+ n = stdin_isatty;
+ } else if (STRICMP(name, "ttyout") == 0) {
+ n = stdout_isatty;
} else if (STRICMP(name, "multi_byte_encoding") == 0) {
n = has_mbyte != 0;
#if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
diff --git a/src/nvim/globals.h b/src/nvim/globals.h
index 0f3e132bc0..8f804ff888 100644
--- a/src/nvim/globals.h
+++ b/src/nvim/globals.h
@@ -564,21 +564,22 @@ EXTERN int ru_col; /* column for ruler */
EXTERN int ru_wid; /* 'rulerfmt' width of ruler when non-zero */
EXTERN int sc_col; /* column for shown command */
-/*
- * When starting or exiting some things are done differently (e.g. screen
- * updating).
- */
+//
+// When starting or exiting some things are done differently (e.g. screen
+// updating).
+//
+
+// First NO_SCREEN, then NO_BUFFERS, then 0 when startup finished.
EXTERN int starting INIT(= NO_SCREEN);
-/* first NO_SCREEN, then NO_BUFFERS and then
- * set to 0 when starting up finished */
-EXTERN int exiting INIT(= FALSE);
-/* TRUE when planning to exit Vim. Might
- * still keep on running if there is a changed
- * buffer. */
-// volatile because it is used in signal handler deathtrap().
+// true when planning to exit. Might keep running if there is a changed buffer.
+EXTERN int exiting INIT(= false);
+// is stdin a terminal?
+EXTERN int stdin_isatty INIT(= true);
+// is stdout a terminal?
+EXTERN int stdout_isatty INIT(= true);
+// true when doing full-screen output, otherwise only writing some messages.
+// volatile because it is used in a signal handler.
EXTERN volatile int full_screen INIT(= false);
-// TRUE when doing full-screen output
-// otherwise only writing some messages
EXTERN int restricted INIT(= FALSE);
// TRUE when started in restricted mode (-Z)
diff --git a/src/nvim/main.c b/src/nvim/main.c
index ea7a58bda3..93afe11f3a 100644
--- a/src/nvim/main.c
+++ b/src/nvim/main.c
@@ -1240,8 +1240,10 @@ static void init_startuptime(mparm_T *paramp)
static void check_and_set_isatty(mparm_T *paramp)
{
- paramp->input_isatty = os_isatty(fileno(stdin));
- paramp->output_isatty = os_isatty(fileno(stdout));
+ stdin_isatty
+ = paramp->input_isatty = os_isatty(fileno(stdin));
+ stdout_isatty
+ = paramp->output_isatty = os_isatty(fileno(stdout));
paramp->err_isatty = os_isatty(fileno(stderr));
TIME_MSG("window checked");
}