1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 Copyright 2010 Lennart Poettering
11 #include <sys/types.h>
14 #include "time-util.h"
17 #define ANSI_BLACK "\x1B[0;30m"
18 #define ANSI_RED "\x1B[0;31m"
19 #define ANSI_GREEN "\x1B[0;32m"
20 #define ANSI_YELLOW "\x1B[0;33m"
21 #define ANSI_BLUE "\x1B[0;34m"
22 #define ANSI_MAGENTA "\x1B[0;35m"
23 #define ANSI_CYAN "\x1B[0;36m"
24 #define ANSI_WHITE "\x1B[0;37m"
26 /* Bold/highlighted */
27 #define ANSI_HIGHLIGHT_BLACK "\x1B[0;1;30m"
28 #define ANSI_HIGHLIGHT_RED "\x1B[0;1;31m"
29 #define ANSI_HIGHLIGHT_GREEN "\x1B[0;1;32m"
30 #define ANSI_HIGHLIGHT_YELLOW "\x1B[0;1;33m"
31 #define ANSI_HIGHLIGHT_BLUE "\x1B[0;1;34m"
32 #define ANSI_HIGHLIGHT_MAGENTA "\x1B[0;1;35m"
33 #define ANSI_HIGHLIGHT_CYAN "\x1B[0;1;36m"
34 #define ANSI_HIGHLIGHT_WHITE "\x1B[0;1;37m"
37 #define ANSI_HIGHLIGHT_BLACK_UNDERLINE "\x1B[0;1;4;30m"
38 #define ANSI_HIGHLIGHT_RED_UNDERLINE "\x1B[0;1;4;31m"
39 #define ANSI_HIGHLIGHT_GREEN_UNDERLINE "\x1B[0;1;4;32m"
40 #define ANSI_HIGHLIGHT_YELLOW_UNDERLINE "\x1B[0;1;4;33m"
41 #define ANSI_HIGHLIGHT_BLUE_UNDERLINE "\x1B[0;1;4;34m"
42 #define ANSI_HIGHLIGHT_MAGENTA_UNDERLINE "\x1B[0;1;4;35m"
43 #define ANSI_HIGHLIGHT_CYAN_UNDERLINE "\x1B[0;1;4;36m"
44 #define ANSI_HIGHLIGHT_WHITE_UNDERLINE "\x1B[0;1;4;37m"
46 /* Other ANSI codes */
47 #define ANSI_UNDERLINE "\x1B[0;4m"
48 #define ANSI_HIGHLIGHT "\x1B[0;1;39m"
49 #define ANSI_HIGHLIGHT_UNDERLINE "\x1B[0;1;4m"
51 /* Reset/clear ANSI styles */
52 #define ANSI_NORMAL "\x1B[0m"
54 /* Erase characters until the end of the line */
55 #define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
57 /* Set cursor to top left corner and clear screen */
58 #define ANSI_HOME_CLEAR "\x1B[H\x1B[2J"
60 #if 0 /// UNNEEDED by elogind
61 int reset_terminal_fd(int fd, bool switch_to_text);
62 int reset_terminal(const char *name);
65 int open_terminal(const char *name, int mode);
66 #if 0 /// UNNEEDED by elogind
68 /* Flags for tweaking the way we become the controlling process of a terminal. */
69 typedef enum AcquireTerminalFlags {
70 /* Try to become the controlling process of the TTY. If we can't return -EPERM. */
71 ACQUIRE_TERMINAL_TRY = 0,
73 /* Tell the kernel to forcibly make us the controlling process of the TTY. Returns -EPERM if the kernel doesn't allow that. */
74 ACQUIRE_TERMINAL_FORCE = 1,
76 /* If we can't become the controlling process of the TTY right-away, then wait until we can. */
77 ACQUIRE_TERMINAL_WAIT = 2,
79 /* 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 */
80 ACQUIRE_TERMINAL_PERMISSIVE = 1 << 2,
81 } AcquireTerminalFlags;
83 int acquire_terminal(const char *name, AcquireTerminalFlags flags, usec_t timeout);
84 int release_terminal(void);
86 int terminal_vhangup_fd(int fd);
87 int terminal_vhangup(const char *name);
92 #if 0 /// UNNEEDED by elogind
93 int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl);
94 int ask_char(char *ret, const char *replies, const char *text, ...) _printf_(3, 4);
95 int ask_string(char **ret, const char *text, ...) _printf_(2, 3);
97 int vt_disallocate(const char *name);
100 int resolve_dev_console(char **ret);
101 int get_kernel_consoles(char ***ret);
102 bool tty_is_vc(const char *tty);
103 #if 0 /// UNNEEDED by elogind
104 bool tty_is_vc_resolve(const char *tty);
106 bool tty_is_console(const char *tty) _pure_;
107 int vtnr_from_tty(const char *tty);
108 #if 0 /// UNNEEDED by elogind
109 const char *default_term_for_tty(const char *tty);
112 #if 0 /// UNNEEDED by elogind
113 int make_console_stdio(void);
116 int fd_columns(int fd);
117 unsigned columns(void);
118 int fd_lines(int fd);
119 unsigned lines(void);
121 #if 0 /// UNNEEDED by elogind
122 void columns_lines_cache_reset(int _unused_ signum);
124 void reset_terminal_feature_caches(void);
127 bool terminal_is_dumb(void);
128 bool colors_enabled(void);
129 bool underline_enabled(void);
130 #if 0 /// UNNEEDED by elogind
131 bool dev_console_colors_enabled(void);
134 #define DEFINE_ANSI_FUNC(name, NAME) \
135 static inline const char *ansi_##name(void) { \
136 return colors_enabled() ? ANSI_##NAME : ""; \
139 #define DEFINE_ANSI_FUNC_UNDERLINE(name, NAME, REPLACEMENT) \
140 static inline const char *ansi_##name(void) { \
141 return underline_enabled() ? ANSI_##NAME : \
142 colors_enabled() ? ANSI_##REPLACEMENT : ""; \
145 DEFINE_ANSI_FUNC(highlight, HIGHLIGHT);
146 DEFINE_ANSI_FUNC(highlight_red, HIGHLIGHT_RED);
147 DEFINE_ANSI_FUNC(highlight_green, HIGHLIGHT_GREEN);
148 DEFINE_ANSI_FUNC(highlight_yellow, HIGHLIGHT_YELLOW);
149 DEFINE_ANSI_FUNC(highlight_blue, HIGHLIGHT_BLUE);
150 DEFINE_ANSI_FUNC(highlight_magenta, HIGHLIGHT_MAGENTA);
151 DEFINE_ANSI_FUNC(normal, NORMAL);
153 DEFINE_ANSI_FUNC_UNDERLINE(underline, UNDERLINE, NORMAL);
154 DEFINE_ANSI_FUNC_UNDERLINE(highlight_underline, HIGHLIGHT_UNDERLINE, HIGHLIGHT);
155 DEFINE_ANSI_FUNC_UNDERLINE(highlight_red_underline, HIGHLIGHT_RED_UNDERLINE, HIGHLIGHT_RED);
156 DEFINE_ANSI_FUNC_UNDERLINE(highlight_green_underline, HIGHLIGHT_GREEN_UNDERLINE, HIGHLIGHT_GREEN);
157 DEFINE_ANSI_FUNC_UNDERLINE(highlight_yellow_underline, HIGHLIGHT_YELLOW_UNDERLINE, HIGHLIGHT_YELLOW);
158 DEFINE_ANSI_FUNC_UNDERLINE(highlight_blue_underline, HIGHLIGHT_BLUE_UNDERLINE, HIGHLIGHT_BLUE);
160 int get_ctty_devnr(pid_t pid, dev_t *d);
161 int get_ctty(pid_t, dev_t *_devnr, char **r);
163 int getttyname_malloc(int fd, char **r);
164 int getttyname_harder(int fd, char **r);
166 #if 0 /// UNNEEDED by elogind
167 int ptsname_malloc(int fd, char **ret);
168 int ptsname_namespace(int pty, char **ret);
170 int openpt_in_namespace(pid_t pid, int flags);
171 int open_terminal_in_namespace(pid_t pid, const char *name, int mode);
174 int vt_default_utf8(void);
175 int vt_reset_keyboard(int fd);
177 int terminal_urlify(const char *url, const char *text, char **ret);
178 int terminal_urlify_path(const char *path, const char *text, char **ret);
180 typedef enum CatFlags {
181 CAT_FLAGS_MAIN_FILE_OPTIONAL = 1 << 0,
184 int cat_files(const char *file, char **dropins, CatFlags flags);
186 void print_separator(void);