Add a utility function to resolve TTY color escape codes dynamically

1 files changed, 40 insertions, 0 deletions

diff --git a/src/libstrongswan/utils/utils.h b/src/libstrongswan/utils/utils.h
index 6c24a261f..c66c665e0 100644
--- a/src/libstrongswan/utils/utils.h
+++ b/src/libstrongswan/utils/utils.h
@@ -314,6 +314,46 @@ enum status_t {
  */
 extern enum_name_t *status_names;
 
+typedef enum tty_escape_t tty_escape_t;
+
+/**
+ * Excape codes for tty colors
+ */
+enum tty_escape_t {
+	/** text properties */
+	TTY_RESET,
+	TTY_BOLD,
+	TTY_UNDERLINE,
+	TTY_BLINKING,
+
+	/** foreground colors */
+	TTY_FG_BLACK,
+	TTY_FG_RED,
+	TTY_FG_GREEN,
+	TTY_FG_YELLOW,
+	TTY_FG_BLUE,
+	TTY_FG_MAGENTA,
+	TTY_FG_CYAN,
+	TTY_FG_WHITE,
+	TTY_FG_DEF,
+
+	/** background colors */
+	TTY_BG_BLACK,
+	TTY_BG_RED,
+	TTY_BG_GREEN,
+	TTY_BG_YELLOW,
+	TTY_BG_BLUE,
+	TTY_BG_MAGENTA,
+	TTY_BG_CYAN,
+	TTY_BG_WHITE,
+	TTY_BG_DEF,
+};
+
+/**
+ * Get the escape string for a given TTY color, empty string on non-tty fd
+ */
+char* tty_escape_get(int fd, tty_escape_t escape);
+
 /**
  * deprecated pluto style return value:
  * error message, NULL for success