1 files changed, 8 insertions, 1 deletions
diff --git a/src/color.h b/src/color.h
index e3e7973..3550888 100644
--- a/src/color.h
+++ b/src/color.h
@@ -8,7 +8,7 @@
 #ifndef BFS_COLOR_H
 #define BFS_COLOR_H
 
-#include "config.h"
+#include "prelude.h"
 #include "dstring.h"
 #include <stdio.h>
 
@@ -42,6 +42,8 @@ typedef struct CFILE {
 	const struct colors *colors;
 	/** A buffer for colored formatting. */
 	dchar *buffer;
+	/** Cached file descriptor number. */
+	int fd;
 	/** Whether the next ${rs} is actually necessary. */
 	bool need_reset;
 	/** Whether to close the underlying stream. */
@@ -108,4 +110,9 @@ int cfprintf(CFILE *cfile, const char *format, ...);
 attr(printf(2, 0))
 int cvfprintf(CFILE *cfile, const char *format, va_list args);
 
+/**
+ * Reset the TTY state when terminating abnormally (async-signal-safe).
+ */
+int cfreset(CFILE *cfile);
+
 #endif // BFS_COLOR_H