From f21088bdc23d0195b3396b96c3b4d3b1a2d4b255 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Tue, 8 Sep 2015 19:55:47 -0700
Subject: linenoise: stdin fd closed bug in !isatty case.

* linenoise/linenoise.c (linenoise): Of course, we must up
ls->ifd and fdopen the dup, because fdopen closes
the descriptor.
---
 linenoise/linenoise.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'linenoise')

diff --git a/linenoise/linenoise.c b/linenoise/linenoise.c
index cdb21087..bc27e0c5 100644
--- a/linenoise/linenoise.c
+++ b/linenoise/linenoise.c
@@ -945,10 +945,13 @@ char *linenoise(lino_t *ls, const char *prompt)
     int count;
 
     if (!isatty(ls->ifd)) {
-        FILE *fi = fdopen(ls->ifd, "r");
+        int fd = dup(ls->ifd);
+        FILE *fi = (fd > 0) ? fdopen(fd, "r") : 0;
 
         if (!fi) {
             ls->error = lino_error;
+            if (fd > 0)
+                close(fd);
             return 0;
         }
 
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