From 3ec5f22f6808ada0356ab544f58d9d06816288fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Tue, 27 Jul 2021 00:55:07 +0200
Subject: Add 'waitstdin' utility

---
 etc/waitstdin.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 etc/waitstdin.c

(limited to 'etc/waitstdin.c')

diff --git a/etc/waitstdin.c b/etc/waitstdin.c
new file mode 100644
index 0000000..cf05cfb
--- /dev/null
+++ b/etc/waitstdin.c
@@ -0,0 +1,20 @@
+/*
+ *  waitstdin -- wait for text on stdin
+ *  $ cc -O2 -o waitstdin waitstdin.c
+ */
+
+#include <sys/select.h> 
+#include <sys/wait.h> 
+
+int
+main()
+{
+        fd_set readfds;
+
+        FD_ZERO(&readfds);
+        FD_SET(0, &readfds);
+        if(select(1, &readfds, NULL, NULL, NULL) == -1)
+                return 1;
+
+	return 0;
+}
-- 
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