LCOV - code coverage report
Current view: top level - basic - terminal-util.h (source / functions) Hit Total Coverage
Test: systemd test coverage Lines: 6 8 75.0 %
Date: 2015-07-29 18:47:03 Functions: 3 4 75.0 %

          Line data    Source code
       1             : #pragma once
       2             : 
       3             : /***
       4             :   This file is part of systemd.
       5             : 
       6             :   Copyright 2010 Lennart Poettering
       7             : 
       8             :   systemd is free software; you can redistribute it and/or modify it
       9             :   under the terms of the GNU Lesser General Public License as published by
      10             :   the Free Software Foundation; either version 2.1 of the License, or
      11             :   (at your option) any later version.
      12             : 
      13             :   systemd is distributed in the hope that it will be useful, but
      14             :   WITHOUT ANY WARRANTY; without even the implied warranty of
      15             :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
      16             :   Lesser General Public License for more details.
      17             : 
      18             :   You should have received a copy of the GNU Lesser General Public License
      19             :   along with systemd; If not, see <http://www.gnu.org/licenses/>.
      20             : ***/
      21             : 
      22             : #include <stdbool.h>
      23             : #include <stdarg.h>
      24             : #include <stdio.h>
      25             : 
      26             : #include "macro.h"
      27             : #include "time-util.h"
      28             : 
      29             : #define ANSI_HIGHLIGHT_ON "\x1B[1;39m"
      30             : #define ANSI_RED_ON "\x1B[31m"
      31             : #define ANSI_HIGHLIGHT_RED_ON "\x1B[1;31m"
      32             : #define ANSI_GREEN_ON "\x1B[32m"
      33             : #define ANSI_HIGHLIGHT_GREEN_ON "\x1B[1;32m"
      34             : #define ANSI_HIGHLIGHT_YELLOW_ON "\x1B[1;33m"
      35             : #define ANSI_HIGHLIGHT_BLUE_ON "\x1B[1;34m"
      36             : #define ANSI_HIGHLIGHT_OFF "\x1B[0m"
      37             : #define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
      38             : 
      39             : int reset_terminal_fd(int fd, bool switch_to_text);
      40             : int reset_terminal(const char *name);
      41             : 
      42             : int open_terminal(const char *name, int mode);
      43             : int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm, usec_t timeout);
      44             : int release_terminal(void);
      45             : 
      46             : int terminal_vhangup_fd(int fd);
      47             : int terminal_vhangup(const char *name);
      48             : 
      49             : int chvt(int vt);
      50             : 
      51             : int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl);
      52             : int ask_char(char *ret, const char *replies, const char *text, ...) _printf_(3, 4);
      53             : int ask_string(char **ret, const char *text, ...) _printf_(2, 3);
      54             : 
      55             : int vt_disallocate(const char *name);
      56             : 
      57             : char *resolve_dev_console(char **active);
      58             : bool tty_is_vc(const char *tty);
      59             : bool tty_is_vc_resolve(const char *tty);
      60             : bool tty_is_console(const char *tty) _pure_;
      61             : int vtnr_from_tty(const char *tty);
      62             : const char *default_term_for_tty(const char *tty);
      63             : 
      64             : void warn_melody(void);
      65             : 
      66             : int make_stdio(int fd);
      67             : int make_null_stdio(void);
      68             : int make_console_stdio(void);
      69             : 
      70             : int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) _printf_(4,0);
      71             : int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...) _printf_(4,5);
      72             : 
      73             : int fd_columns(int fd);
      74             : unsigned columns(void);
      75             : int fd_lines(int fd);
      76             : unsigned lines(void);
      77             : void columns_lines_cache_reset(int _unused_ signum);
      78             : 
      79             : bool on_tty(void);
      80             : 
      81         520 : static inline const char *ansi_highlight(void) {
      82         520 :         return on_tty() ? ANSI_HIGHLIGHT_ON : "";
      83             : }
      84             : 
      85           0 : static inline const char *ansi_highlight_red(void) {
      86           0 :         return on_tty() ? ANSI_HIGHLIGHT_RED_ON : "";
      87             : }
      88             : 
      89           2 : static inline const char *ansi_highlight_green(void) {
      90           2 :         return on_tty() ? ANSI_HIGHLIGHT_GREEN_ON : "";
      91             : }
      92             : 
      93             : static inline const char *ansi_highlight_yellow(void) {
      94             :         return on_tty() ? ANSI_HIGHLIGHT_YELLOW_ON : "";
      95             : }
      96             : 
      97             : static inline const char *ansi_highlight_blue(void) {
      98             :         return on_tty() ? ANSI_HIGHLIGHT_BLUE_ON : "";
      99             : }
     100             : 
     101         529 : static inline const char *ansi_highlight_off(void) {
     102         529 :         return on_tty() ? ANSI_HIGHLIGHT_OFF : "";
     103             : }
     104             : 
     105             : int get_ctty_devnr(pid_t pid, dev_t *d);
     106             : int get_ctty(pid_t, dev_t *_devnr, char **r);
     107             : 
     108             : int getttyname_malloc(int fd, char **r);
     109             : int getttyname_harder(int fd, char **r);

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