terminal-util: helper macro for highlighting functions

[elogind.git] / src / basic / terminal-util.h

diff --git a/src/basic/terminal-util.h b/src/basic/terminal-util.h
index 41a7a725e98c992eaf7fa67150049a5818599cf7..84ba3a7f70f925005c70577c49d7db6d61af3b6a 100644 (file)
--- a/src/basic/terminal-util.h
+++ b/src/basic/terminal-util.h
@@ -19,9 +19,10 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
-#include <stdbool.h>
 #include <stdarg.h>
+#include <stdbool.h>
 #include <stdio.h>
+#include <sys/types.h>
 
 #include "macro.h"
 #include "time-util.h"
@@ -35,6 +36,10 @@
 #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"
@@ -42,82 +47,89 @@
 /* Set cursor to top left corner and clear screen */
 #define ANSI_HOME_CLEAR "\x1B[H\x1B[2J"
 
+#if 0 /// UNNEEDED by elogind
 int reset_terminal_fd(int fd, bool switch_to_text);
 int reset_terminal(const char *name);
+#endif // 0
 
 int open_terminal(const char *name, int mode);
+#if 0 /// UNNEEDED by elogind
 int acquire_terminal(const char *name, bool fail, bool force, bool ignore_tiocstty_eperm, usec_t timeout);
-// UNNEEDED int release_terminal(void);
+int release_terminal(void);
 
 int terminal_vhangup_fd(int fd);
 int terminal_vhangup(const char *name);
+#endif // 0
 
 int chvt(int vt);
 
+#if 0 /// UNNEEDED by elogind
 int read_one_char(FILE *f, char *ret, usec_t timeout, bool *need_nl);
-// UNNEEDED int ask_char(char *ret, const char *replies, const char *text, ...) _printf_(3, 4);
-// UNNEEDED int ask_string(char **ret, const char *text, ...) _printf_(2, 3);
+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);
+#endif // 0
+int get_kernel_consoles(char ***consoles);
 bool tty_is_vc(const char *tty);
+#if 0 /// UNNEEDED by elogind
 bool tty_is_vc_resolve(const char *tty);
+#endif // 0
 bool tty_is_console(const char *tty) _pure_;
 int vtnr_from_tty(const char *tty);
-// UNNEEDED const char *default_term_for_tty(const char *tty);
+#if 0 /// UNNEEDED by elogind
+const char *default_term_for_tty(const char *tty);
+#endif // 0
 
 int make_stdio(int fd);
 int make_null_stdio(void);
-// UNNEEDED int make_console_stdio(void);
-
-int status_vprintf(const char *status, bool ellipse, bool ephemeral, const char *format, va_list ap) _printf_(4,0);
-int status_printf(const char *status, bool ellipse, bool ephemeral, const char *format, ...) _printf_(4,5);
+#if 0 /// UNNEEDED by elogind
+int make_console_stdio(void);
+#endif // 0
 
 int fd_columns(int fd);
 unsigned columns(void);
 int fd_lines(int fd);
 unsigned lines(void);
-// UNNEEDED void columns_lines_cache_reset(int _unused_ signum);
+#if 0 /// UNNEEDED by elogind
+void columns_lines_cache_reset(int _unused_ signum);
+#endif // 0
 
 bool on_tty(void);
-
-static inline const char *ansi_underline(void) {
-        return on_tty() ? ANSI_UNDERLINE : "";
-}
-
-static inline const char *ansi_highlight(void) {
-        return on_tty() ? ANSI_HIGHLIGHT : "";
-}
-
-static inline const char *ansi_highlight_underline(void) {
-        return on_tty() ? ANSI_HIGHLIGHT_UNDERLINE : "";
-}
-
-static inline const char *ansi_highlight_red(void) {
-        return on_tty() ? ANSI_HIGHLIGHT_RED : "";
-}
-
-static inline const char *ansi_highlight_green(void) {
-        return on_tty() ? ANSI_HIGHLIGHT_GREEN : "";
-}
-
-static inline const char *ansi_highlight_yellow(void) {
-        return on_tty() ? ANSI_HIGHLIGHT_YELLOW : "";
-}
-
-static inline const char *ansi_highlight_blue(void) {
-        return on_tty() ? ANSI_HIGHLIGHT_BLUE : "";
-}
-
-static inline const char *ansi_normal(void) {
-        return on_tty() ? ANSI_NORMAL : "";
-}
+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);
-// UNNEEDED int getttyname_harder(int fd, char **r);
+int getttyname_harder(int fd, char **r);
+
+#if 0 /// UNNEEDED by elogind
+int ptsname_malloc(int fd, char **ret);
+int ptsname_namespace(int pty, char **ret);
 
-// UNNEEDED 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);
+#endif // 0