tty: Move tty related functions to separate files

src/libstrongswan/utils/utils.c

@@ -322,73 +322,6 @@ bool mkdir_p(const char *path, mode_t mode)
 	return TRUE;
 }
 
-ENUM(tty_color_names, TTY_RESET, TTY_BG_DEF,
-	"\e[0m",
-	"\e[1m",
-	"\e[4m",
-	"\e[5m",
-	"\e[30m",
-	"\e[31m",
-	"\e[32m",
-	"\e[33m",
-	"\e[34m",
-	"\e[35m",
-	"\e[36m",
-	"\e[37m",
-	"\e[39m",
-	"\e[40m",
-	"\e[41m",
-	"\e[42m",
-	"\e[43m",
-	"\e[44m",
-	"\e[45m",
-	"\e[46m",
-	"\e[47m",
-	"\e[49m",
-);
-
-/**
- * Get the escape string for a given TTY color, empty string on non-tty FILE
- */
-char* tty_escape_get(int fd, tty_escape_t escape)
-{
-	if (!isatty(fd))
-	{
-		return "";
-	}
-	switch (escape)
-	{
-		case TTY_RESET:
-		case TTY_BOLD:
-		case TTY_UNDERLINE:
-		case TTY_BLINKING:
-#ifdef WIN32
-			return "";
-#endif
-		case TTY_FG_BLACK:
-		case TTY_FG_RED:
-		case TTY_FG_GREEN:
-		case TTY_FG_YELLOW:
-		case TTY_FG_BLUE:
-		case TTY_FG_MAGENTA:
-		case TTY_FG_CYAN:
-		case TTY_FG_WHITE:
-		case TTY_FG_DEF:
-		case TTY_BG_BLACK:
-		case TTY_BG_RED:
-		case TTY_BG_GREEN:
-		case TTY_BG_YELLOW:
-		case TTY_BG_BLUE:
-		case TTY_BG_MAGENTA:
-		case TTY_BG_CYAN:
-		case TTY_BG_WHITE:
-		case TTY_BG_DEF:
-			return enum_to_name(tty_color_names, escape);
-		/* warn if a escape code is missing */
-	}
-	return "";
-}
-
 #ifndef HAVE_CLOSEFROM
 /**
  * Described in header.