From cb7ccfbb9f5893350c0aa3b0aa98a703f2a9ec07 Mon Sep 17 00:00:00 2001
From: Matthew Nourse <matthew@nplus1.com.au>
Date: Thu, 27 Nov 2025 16:35:10 +1100
Subject: [PATCH] Multiplexing: if lineNoiseEditFeed is called when there are
 no bytes available on the open input fd then return linenoiseEditMore rather
 than NULL.

---
 linenoise.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/linenoise.c b/linenoise.c
index ac27f06..b40bbbe 100644
--- a/linenoise.c
+++ b/linenoise.c
@@ -935,7 +935,8 @@ char *linenoiseEditFeed(struct linenoiseState *l) {
     char seq[3];
 
     nread = read(l->ifd,&c,1);
-    if (nread <= 0) return NULL;
+    if (nread < 0) return ((EAGAIN == errno) || (EWOULDBLOCK == errno)) ? linenoiseEditMore : NULL;
+    if (0 == nread) return NULL;
 
     /* Only autocomplete when the callback is set. It returns < 0 when
      * there was an error reading from fd. Otherwise it will return the