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 1366181449d7d2b10473c689683f2820a8e016dd..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"
@@ -67,6 +72,7 @@ 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);
@@ -92,46 +98,35 @@ 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);
 
-#if 0 /// UNNEEDED by elogind
 int getttyname_malloc(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);