From 4abab5ad6c8465a7528ccdd5f49367da05f78bbd Mon Sep 17 00:00:00 2001
From: Vladimir Azarov <avm@intermediate-node.net>
Date: Tue, 1 Oct 2024 15:47:05 +0200
Subject: Initial version

---
 src/unistd/ttyname.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/unistd/ttyname.c

(limited to 'src/unistd/ttyname.c')

diff --git a/src/unistd/ttyname.c b/src/unistd/ttyname.c
new file mode 100644
index 0000000..0f3e114
--- /dev/null
+++ b/src/unistd/ttyname.c
@@ -0,0 +1,14 @@
+#include <unistd.h>
+#include <errno.h>
+#include <limits.h>
+
+char *ttyname(int fd)
+{
+	static char buf[TTY_NAME_MAX];
+	int result;
+	if ((result = ttyname_r(fd, buf, sizeof buf))) {
+		errno = result;
+		return NULL;
+	}
+	return buf;
+}
-- 
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