diff options
Diffstat (limited to 'src/libsystemd-basic/include/systemd-basic/terminal-util.h')
| -rw-r--r-- | src/libsystemd-basic/include/systemd-basic/terminal-util.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/libsystemd-basic/include/systemd-basic/terminal-util.h b/src/libsystemd-basic/include/systemd-basic/terminal-util.h new file mode 100644 index 0000000000..b862bfaf05 --- /dev/null +++ b/src/libsystemd-basic/include/systemd-basic/terminal-util.h @@ -0,0 +1,119 @@ +#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 <sys/types.h> + +#include "macro.h" +#include "time-util.h" + +#define ANSI_RED "\x1B[0;31m" +#define ANSI_GREEN "\x1B[0;32m" +#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" +#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_NORMAL "\x1B[0m" + +#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K" + +/* Set cursor to top left corner and clear screen */ +#define ANSI_HOME_CLEAR "\x1B[H\x1B[2J" + +int reset_terminal_fd(int fd, bool switch_to_text); +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); +int release_terminal(void); + +int terminal_vhangup_fd(int fd); +int terminal_vhangup(const char *name); + +int chvt(int vt); + +int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl); +int ask_char(char *ret, const char *replies, const char *text, ...) _printf_(3, 4); +int ask_string(char **ret, const char *text, ...) _printf_(2, 3); + +int vt_disallocate(const char *name); + +char *resolve_dev_console(char **active); +int get_kernel_consoles(char ***consoles); +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); + +bool on_tty(void); +bool terminal_is_dumb(void); +bool colors_enabled(void); + +#define DEFINE_ANSI_FUNC(name, NAME) \ + static inline const char *ansi_##name(void) { \ + return colors_enabled() ? ANSI_##NAME : ""; \ + } \ + struct __useless_struct_to_allow_trailing_semicolon__ + +DEFINE_ANSI_FUNC(underline, UNDERLINE); +DEFINE_ANSI_FUNC(highlight, HIGHLIGHT); +DEFINE_ANSI_FUNC(highlight_underline, HIGHLIGHT_UNDERLINE); +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_red_underline, HIGHLIGHT_RED_UNDERLINE); +DEFINE_ANSI_FUNC(highlight_green_underline, HIGHLIGHT_GREEN_UNDERLINE); +DEFINE_ANSI_FUNC(highlight_yellow_underline, HIGHLIGHT_YELLOW_UNDERLINE); +DEFINE_ANSI_FUNC(highlight_blue_underline, HIGHLIGHT_BLUE_UNDERLINE); +DEFINE_ANSI_FUNC(normal, NORMAL); + +int get_ctty_devnr(pid_t pid, dev_t *d); +int get_ctty(pid_t, dev_t *_devnr, char **r); + +int getttyname_malloc(int fd, char **r); +int getttyname_harder(int fd, char **r); + +int ptsname_malloc(int fd, char **ret); +int ptsname_namespace(int pty, char **ret); + +int openpt_in_namespace(pid_t pid, int flags); +int open_terminal_in_namespace(pid_t pid, const char *name, int mode); |