From 7c844ec5e06076e40da12685488406a3a58dfb65 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Tue, 14 Oct 2025 10:13:32 -0400
Subject: cmd: hush: Ignore input if buffer is empty

Do not try to test the input against anything if there is no input to
test against.

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 src/cmd/hush/hush.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cmd/hush/hush.c b/src/cmd/hush/hush.c
index 9bd248f..f8e2572 100644
--- a/src/cmd/hush/hush.c
+++ b/src/cmd/hush/hush.c
@@ -109,6 +109,10 @@ main(void)
         read_input(buf, sizeof(buf));
         write(STDOUT_FILENO, "\n", 1);
 
+        if (buf[0] == '\0') {
+            continue;
+        }
+
         snprintf(binpath, sizeof(binpath), "/usr/bin/%s", buf);
         if ((pid = spawn(argv[0], argv)) < 0) {
             printf("unknown command \"%s\"\n", buf);
-- 
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