5ee27251cd
The fact that we cannot use the "real" yellow color and need to use some other
color is essentially a bug. In this particular case the issue is in urxvt, see
a9009769de
. While we work around this by using a
different color, let's not forget that this is just a (hopefullly temporary)
workaround.
https://bugzilla.redhat.com/show_bug.cgi?id=1859886
https://bugzilla.redhat.com/show_bug.cgi?id=1859889
https://bugzilla.redhat.com/show_bug.cgi?id=1859894
211 lines
8.1 KiB
C
211 lines
8.1 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <syslog.h>
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#include <sys/types.h>
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#include "macro.h"
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#include "time-util.h"
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/* Regular colors */
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#define ANSI_BLACK "\x1B[0;30m" /* Some type of grey usually. */
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#define ANSI_RED "\x1B[0;31m"
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#define ANSI_GREEN "\x1B[0;32m"
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#define ANSI_YELLOW "\x1B[0;33m"
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#define ANSI_BLUE "\x1B[0;34m"
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#define ANSI_MAGENTA "\x1B[0;35m"
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#define ANSI_CYAN "\x1B[0;36m"
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#define ANSI_WHITE "\x1B[0;37m" /* This is actually rendered as light grey, legible even on a white
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* background. See ANSI_HIGHLIGHT_WHITE for real white. */
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#define ANSI_BRIGHT_BLACK "\x1B[0;90m"
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#define ANSI_BRIGHT_RED "\x1B[0;91m"
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#define ANSI_BRIGHT_GREEN "\x1B[0;92m"
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#define ANSI_BRIGHT_YELLOW "\x1B[0;93m"
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#define ANSI_BRIGHT_BLUE "\x1B[0;94m"
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#define ANSI_BRIGHT_MAGENTA "\x1B[0;95m"
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#define ANSI_BRIGHT_CYAN "\x1B[0;96m"
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#define ANSI_BRIGHT_WHITE "\x1B[0;97m"
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#define ANSI_GREY "\x1B[0;38;5;245m"
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/* Bold/highlighted */
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#define ANSI_HIGHLIGHT_BLACK "\x1B[0;1;30m"
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#define ANSI_HIGHLIGHT_RED "\x1B[0;1;31m"
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#define ANSI_HIGHLIGHT_GREEN "\x1B[0;1;32m"
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#define _ANSI_HIGHLIGHT_YELLOW "\x1B[0;1;33m" /* This yellow is currently not displayed well by some terminals */
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#define ANSI_HIGHLIGHT_BLUE "\x1B[0;1;34m"
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#define ANSI_HIGHLIGHT_MAGENTA "\x1B[0;1;35m"
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#define ANSI_HIGHLIGHT_CYAN "\x1B[0;1;36m"
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#define ANSI_HIGHLIGHT_WHITE "\x1B[0;1;37m"
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#define ANSI_HIGHLIGHT_YELLOW4 "\x1B[0;1;38;5;100m"
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#define ANSI_HIGHLIGHT_KHAKI3 "\x1B[0;1;38;5;185m"
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#define ANSI_HIGHLIGHT_GREY "\x1B[0;1;38;5;245m"
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#define ANSI_HIGHLIGHT_YELLOW ANSI_HIGHLIGHT_KHAKI3 /* Replacement yellow that is more legible */
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/* Underlined */
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#define ANSI_GREY_UNDERLINE "\x1B[0;4;38;5;245m"
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#define ANSI_HIGHLIGHT_RED_UNDERLINE "\x1B[0;1;4;31m"
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#define ANSI_HIGHLIGHT_GREEN_UNDERLINE "\x1B[0;1;4;32m"
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#define ANSI_HIGHLIGHT_YELLOW_UNDERLINE "\x1B[0;1;4;38;5;185m"
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#define ANSI_HIGHLIGHT_BLUE_UNDERLINE "\x1B[0;1;4;34m"
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#define ANSI_HIGHLIGHT_MAGENTA_UNDERLINE "\x1B[0;1;4;35m"
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#define ANSI_HIGHLIGHT_GREY_UNDERLINE "\x1B[0;1;4;38;5;245m"
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/* Other ANSI codes */
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#define ANSI_UNDERLINE "\x1B[0;4m"
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#define ANSI_HIGHLIGHT "\x1B[0;1;39m"
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#define ANSI_HIGHLIGHT_UNDERLINE "\x1B[0;1;4m"
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/* Reset/clear ANSI styles */
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#define ANSI_NORMAL "\x1B[0m"
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/* Erase characters until the end of the line */
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#define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
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/* Move cursor up one line */
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#define ANSI_REVERSE_LINEFEED "\x1BM"
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/* Set cursor to top left corner and clear screen */
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#define ANSI_HOME_CLEAR "\x1B[H\x1B[2J"
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int reset_terminal_fd(int fd, bool switch_to_text);
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int reset_terminal(const char *name);
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int open_terminal(const char *name, int mode);
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/* Flags for tweaking the way we become the controlling process of a terminal. */
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typedef enum AcquireTerminalFlags {
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/* Try to become the controlling process of the TTY. If we can't return -EPERM. */
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ACQUIRE_TERMINAL_TRY = 0,
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/* Tell the kernel to forcibly make us the controlling process of the TTY. Returns -EPERM if the kernel doesn't allow that. */
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ACQUIRE_TERMINAL_FORCE = 1,
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/* If we can't become the controlling process of the TTY right-away, then wait until we can. */
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ACQUIRE_TERMINAL_WAIT = 2,
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/* 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 */
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ACQUIRE_TERMINAL_PERMISSIVE = 1 << 2,
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} AcquireTerminalFlags;
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int acquire_terminal(const char *name, AcquireTerminalFlags flags, usec_t timeout);
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int release_terminal(void);
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int terminal_vhangup_fd(int fd);
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int terminal_vhangup(const char *name);
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int chvt(int vt);
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int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl);
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int ask_char(char *ret, const char *replies, const char *text, ...) _printf_(3, 4);
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int ask_string(char **ret, const char *text, ...) _printf_(2, 3);
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int vt_disallocate(const char *name);
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int resolve_dev_console(char **ret);
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int get_kernel_consoles(char ***ret);
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bool tty_is_vc(const char *tty);
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bool tty_is_vc_resolve(const char *tty);
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bool tty_is_console(const char *tty) _pure_;
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int vtnr_from_tty(const char *tty);
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const char *default_term_for_tty(const char *tty);
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int make_console_stdio(void);
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int fd_columns(int fd);
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unsigned columns(void);
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int fd_lines(int fd);
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unsigned lines(void);
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void columns_lines_cache_reset(int _unused_ signum);
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void reset_terminal_feature_caches(void);
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bool on_tty(void);
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bool terminal_is_dumb(void);
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bool colors_enabled(void);
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bool underline_enabled(void);
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bool dev_console_colors_enabled(void);
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#define DEFINE_ANSI_FUNC(name, NAME) \
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static inline const char *ansi_##name(void) { \
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return colors_enabled() ? ANSI_##NAME : ""; \
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}
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#define DEFINE_ANSI_FUNC_UNDERLINE(name, NAME, REPLACEMENT) \
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static inline const char *ansi_##name(void) { \
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return underline_enabled() ? ANSI_##NAME : \
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colors_enabled() ? ANSI_##REPLACEMENT : ""; \
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}
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DEFINE_ANSI_FUNC(normal, NORMAL);
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DEFINE_ANSI_FUNC(highlight, HIGHLIGHT);
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DEFINE_ANSI_FUNC(black, BLACK);
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DEFINE_ANSI_FUNC(red, RED);
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DEFINE_ANSI_FUNC(green, GREEN);
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DEFINE_ANSI_FUNC(yellow, YELLOW);
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DEFINE_ANSI_FUNC(blue, BLUE);
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DEFINE_ANSI_FUNC(magenta, MAGENTA);
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DEFINE_ANSI_FUNC(cyan, CYAN);
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DEFINE_ANSI_FUNC(white, WHITE);
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DEFINE_ANSI_FUNC(grey, GREY);
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DEFINE_ANSI_FUNC(bright_black, BRIGHT_BLACK);
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DEFINE_ANSI_FUNC(bright_red, BRIGHT_RED);
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DEFINE_ANSI_FUNC(bright_green, BRIGHT_GREEN);
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DEFINE_ANSI_FUNC(bright_yellow, BRIGHT_YELLOW);
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DEFINE_ANSI_FUNC(bright_blue, BRIGHT_BLUE);
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DEFINE_ANSI_FUNC(bright_magenta, BRIGHT_MAGENTA);
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DEFINE_ANSI_FUNC(bright_cyan, BRIGHT_CYAN);
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DEFINE_ANSI_FUNC(bright_white, BRIGHT_WHITE);
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DEFINE_ANSI_FUNC(highlight_black, HIGHLIGHT_BLACK);
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DEFINE_ANSI_FUNC(highlight_red, HIGHLIGHT_RED);
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DEFINE_ANSI_FUNC(highlight_green, HIGHLIGHT_GREEN);
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DEFINE_ANSI_FUNC(highlight_yellow, HIGHLIGHT_YELLOW);
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DEFINE_ANSI_FUNC(highlight_blue, HIGHLIGHT_BLUE);
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DEFINE_ANSI_FUNC(highlight_magenta, HIGHLIGHT_MAGENTA);
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DEFINE_ANSI_FUNC(highlight_cyan, HIGHLIGHT_CYAN);
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DEFINE_ANSI_FUNC(highlight_grey, HIGHLIGHT_GREY);
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DEFINE_ANSI_FUNC(highlight_white, HIGHLIGHT_WHITE);
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static inline const char* _ansi_highlight_yellow(void) {
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return colors_enabled() ? _ANSI_HIGHLIGHT_YELLOW : "";
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}
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DEFINE_ANSI_FUNC_UNDERLINE(underline, UNDERLINE, NORMAL);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_underline, HIGHLIGHT_UNDERLINE, HIGHLIGHT);
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DEFINE_ANSI_FUNC_UNDERLINE(grey_underline, GREY_UNDERLINE, GREY);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_red_underline, HIGHLIGHT_RED_UNDERLINE, HIGHLIGHT_RED);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_green_underline, HIGHLIGHT_GREEN_UNDERLINE, HIGHLIGHT_GREEN);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_yellow_underline, HIGHLIGHT_YELLOW_UNDERLINE, HIGHLIGHT_YELLOW);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_blue_underline, HIGHLIGHT_BLUE_UNDERLINE, HIGHLIGHT_BLUE);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_magenta_underline, HIGHLIGHT_MAGENTA_UNDERLINE, HIGHLIGHT_MAGENTA);
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DEFINE_ANSI_FUNC_UNDERLINE(highlight_grey_underline, HIGHLIGHT_GREY_UNDERLINE, HIGHLIGHT_GREY);
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int get_ctty_devnr(pid_t pid, dev_t *d);
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int get_ctty(pid_t, dev_t *_devnr, char **r);
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int getttyname_malloc(int fd, char **r);
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int getttyname_harder(int fd, char **r);
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int ptsname_malloc(int fd, char **ret);
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int openpt_allocate(int flags, char **ret_slave);
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int openpt_allocate_in_namespace(pid_t pid, int flags, char **ret_slave);
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int open_terminal_in_namespace(pid_t pid, const char *name, int mode);
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int vt_default_utf8(void);
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int vt_reset_keyboard(int fd);
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int vt_restore(int fd);
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int vt_release(int fd, bool restore_vt);
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void get_log_colors(int priority, const char **on, const char **off, const char **highlight);
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/* This assumes there is a 'tty' group */
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#define TTY_MODE 0620
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