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vim-patch:8.0.0096: has('ttyin'), has('ttyout')

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Nvim note: intentionally did not include `--ttyfail` since its purpose
is not clear. (And it isn't used in any Vim test files/scripts).

---

Problem:    When the input or output is not a tty Vim appears to hang.
Solution:   Add the --ttyfail argument.  Also add the "ttyin" and "ttyout"
            features to be able to check in Vim script.

2cab0e1910
This commit is contained in:
Justin M. Keyes
2017-10-23 01:50:26 +02:00
parent a39c8b7ce3
commit 860ecd7055
4 changed files with 24 additions and 15 deletions
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2
runtime/doc/eval.txt
View File

@@ -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.

4
src/nvim/eval.c
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@@ -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)

27
src/nvim/globals.h
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@@ -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)

6
src/nvim/main.c
View File

@@ -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");
}