+/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include "macro.h"
#include "time-util.h"
-#define ANSI_RED "\x1B[0;31m"
-#define ANSI_GREEN "\x1B[0;32m"
+/* Regular colors */
+#define ANSI_BLACK "\x1B[0;30m"
+#define ANSI_RED "\x1B[0;31m"
+#define ANSI_GREEN "\x1B[0;32m"
+#define ANSI_YELLOW "\x1B[0;33m"
+#define ANSI_BLUE "\x1B[0;34m"
+#define ANSI_MAGENTA "\x1B[0;35m"
+#define ANSI_CYAN "\x1B[0;36m"
+#define ANSI_WHITE "\x1B[0;37m"
+
+/* Bold/highlighted */
+#define ANSI_HIGHLIGHT_BLACK "\x1B[0;1;30m"
+#define ANSI_HIGHLIGHT_RED "\x1B[0;1;31m"
+#define ANSI_HIGHLIGHT_GREEN "\x1B[0;1;32m"
+#define ANSI_HIGHLIGHT_YELLOW "\x1B[0;1;33m"
+#define ANSI_HIGHLIGHT_BLUE "\x1B[0;1;34m"
+#define ANSI_HIGHLIGHT_MAGENTA "\x1B[0;1;35m"
+#define ANSI_HIGHLIGHT_CYAN "\x1B[0;1;36m"
+#define ANSI_HIGHLIGHT_WHITE "\x1B[0;1;37m"
+
+/* Underlined */
+#define ANSI_HIGHLIGHT_BLACK_UNDERLINE "\x1B[0;1;4;30m"
+#define ANSI_HIGHLIGHT_RED_UNDERLINE "\x1B[0;1;4;31m"
+#define ANSI_HIGHLIGHT_GREEN_UNDERLINE "\x1B[0;1;4;32m"
+#define ANSI_HIGHLIGHT_YELLOW_UNDERLINE "\x1B[0;1;4;33m"
+#define ANSI_HIGHLIGHT_BLUE_UNDERLINE "\x1B[0;1;4;34m"
+#define ANSI_HIGHLIGHT_MAGENTA_UNDERLINE "\x1B[0;1;4;35m"
+#define ANSI_HIGHLIGHT_CYAN_UNDERLINE "\x1B[0;1;4;36m"
+#define ANSI_HIGHLIGHT_WHITE_UNDERLINE "\x1B[0;1;4;37m"
+
+/* Other ANSI codes */
#define ANSI_UNDERLINE "\x1B[0;4m"
#define ANSI_HIGHLIGHT "\x1B[0;1;39m"
-#define ANSI_HIGHLIGHT_RED "\x1B[0;1;31m"
-#define ANSI_HIGHLIGHT_GREEN "\x1B[0;1;32m"
-#define ANSI_HIGHLIGHT_YELLOW "\x1B[0;1;33m"
-#define ANSI_HIGHLIGHT_BLUE "\x1B[0;1;34m"
#define ANSI_HIGHLIGHT_UNDERLINE "\x1B[0;1;4m"
+
+/* Reset/clear ANSI styles */
#define ANSI_NORMAL "\x1B[0m"
+/* Erase characters until the end of the line */
#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
+/* Move cursor up one line */
+#define ANSI_REVERSE_LINEFEED "\x1BM"
+
/* Set cursor to top left corner and clear screen */
#define ANSI_HOME_CLEAR "\x1B[H\x1B[2J"
int reset_terminal(const char *name);
int open_terminal(const char *name, int mode);
-int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm, usec_t timeout);
+
+/* Flags for tweaking the way we become the controlling process of a terminal. */
+typedef enum AcquireTerminalFlags {
+ /* Try to become the controlling process of the TTY. If we can't return -EPERM. */
+ ACQUIRE_TERMINAL_TRY = 0,
+
+ /* Tell the kernel to forcibly make us the controlling process of the TTY. Returns -EPERM if the kernel doesn't allow that. */
+ ACQUIRE_TERMINAL_FORCE = 1,
+
+ /* If we can't become the controlling process of the TTY right-away, then wait until we can. */
+ ACQUIRE_TERMINAL_WAIT = 2,
+
+ /* Pick one of the above, and then OR this flag in, in order to request permissive behaviour, if we can't become controlling process then don't mind */
+ ACQUIRE_TERMINAL_PERMISSIVE = 1 << 2,
+} AcquireTerminalFlags;
+
+int acquire_terminal(const char *name, AcquireTerminalFlags flags, usec_t timeout);
int release_terminal(void);
int terminal_vhangup_fd(int fd);
int vt_disallocate(const char *name);
-char *resolve_dev_console(char **active);
-int get_kernel_consoles(char ***consoles);
+int resolve_dev_console(char **ret);
+int get_kernel_consoles(char ***ret);
bool tty_is_vc(const char *tty);
bool tty_is_vc_resolve(const char *tty);
bool tty_is_console(const char *tty) _pure_;
int vtnr_from_tty(const char *tty);
const char *default_term_for_tty(const char *tty);
-int make_stdio(int fd);
-int make_null_stdio(void);
int make_console_stdio(void);
int fd_columns(int fd);
unsigned columns(void);
int fd_lines(int fd);
unsigned lines(void);
+
void columns_lines_cache_reset(int _unused_ signum);
+void reset_terminal_feature_caches(void);
bool on_tty(void);
bool terminal_is_dumb(void);
bool colors_enabled(void);
-
-static inline const char *ansi_underline(void) {
- return colors_enabled() ? ANSI_UNDERLINE : "";
-}
-
-static inline const char *ansi_highlight(void) {
- return colors_enabled() ? ANSI_HIGHLIGHT : "";
-}
-
-static inline const char *ansi_highlight_underline(void) {
- return colors_enabled() ? ANSI_HIGHLIGHT_UNDERLINE : "";
-}
-
-static inline const char *ansi_highlight_red(void) {
- return colors_enabled() ? ANSI_HIGHLIGHT_RED : "";
-}
-
-static inline const char *ansi_highlight_green(void) {
- return colors_enabled() ? ANSI_HIGHLIGHT_GREEN : "";
-}
-
-static inline const char *ansi_highlight_yellow(void) {
- return colors_enabled() ? ANSI_HIGHLIGHT_YELLOW : "";
-}
-
-static inline const char *ansi_highlight_blue(void) {
- return colors_enabled() ? ANSI_HIGHLIGHT_BLUE : "";
-}
-
-static inline const char *ansi_normal(void) {
- return colors_enabled() ? ANSI_NORMAL : "";
-}
+bool underline_enabled(void);
+bool dev_console_colors_enabled(void);
+
+#define DEFINE_ANSI_FUNC(name, NAME) \
+ static inline const char *ansi_##name(void) { \
+ return colors_enabled() ? ANSI_##NAME : ""; \
+ }
+
+#define DEFINE_ANSI_FUNC_UNDERLINE(name, NAME, REPLACEMENT) \
+ static inline const char *ansi_##name(void) { \
+ return underline_enabled() ? ANSI_##NAME : \
+ colors_enabled() ? ANSI_##REPLACEMENT : ""; \
+ }
+
+DEFINE_ANSI_FUNC(highlight, HIGHLIGHT);
+DEFINE_ANSI_FUNC(highlight_red, HIGHLIGHT_RED);
+DEFINE_ANSI_FUNC(highlight_green, HIGHLIGHT_GREEN);
+DEFINE_ANSI_FUNC(highlight_yellow, HIGHLIGHT_YELLOW);
+DEFINE_ANSI_FUNC(highlight_blue, HIGHLIGHT_BLUE);
+DEFINE_ANSI_FUNC(highlight_magenta, HIGHLIGHT_MAGENTA);
+DEFINE_ANSI_FUNC(normal, NORMAL);
+
+DEFINE_ANSI_FUNC_UNDERLINE(underline, UNDERLINE, NORMAL);
+DEFINE_ANSI_FUNC_UNDERLINE(highlight_underline, HIGHLIGHT_UNDERLINE, HIGHLIGHT);
+DEFINE_ANSI_FUNC_UNDERLINE(highlight_red_underline, HIGHLIGHT_RED_UNDERLINE, HIGHLIGHT_RED);
+DEFINE_ANSI_FUNC_UNDERLINE(highlight_green_underline, HIGHLIGHT_GREEN_UNDERLINE, HIGHLIGHT_GREEN);
+DEFINE_ANSI_FUNC_UNDERLINE(highlight_yellow_underline, HIGHLIGHT_YELLOW_UNDERLINE, HIGHLIGHT_YELLOW);
+DEFINE_ANSI_FUNC_UNDERLINE(highlight_blue_underline, HIGHLIGHT_BLUE_UNDERLINE, HIGHLIGHT_BLUE);
int get_ctty_devnr(pid_t pid, dev_t *d);
int get_ctty(pid_t, dev_t *_devnr, char **r);
int openpt_in_namespace(pid_t pid, int flags);
int open_terminal_in_namespace(pid_t pid, const char *name, int mode);
+
+int vt_default_utf8(void);
+int vt_reset_keyboard(int fd);
+int vt_restore(int fd);
projects / thirdparty / systemd.git / blobdiff