From 5fd4fa21d3852525096ceaa5ac4f64d78ac99de7 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Wed, 15 May 2024 14:14:43 -0400
Subject: ctx: Try to reset TTY state when terminating abnormally

Fixes: https://github.com/tavianator/bfs/issues/138
---
 src/color.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/color.h')

diff --git a/src/color.h b/src/color.h
index 3278cd6..3550888 100644
--- a/src/color.h
+++ b/src/color.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
-- 
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