From b29352eff64bd476b754284cea4fd794cdfc6f71 Mon Sep 17 00:00:00 2001
From: Fredrik Fornwall <fredrik@fornwall.net>
Date: Sun, 18 Mar 2018 21:15:12 +0100
Subject: [PATCH] Replace getdtablesize() with sysconf(_SC_OPEN_MAX)

From the getdtablesize(3) man page:
       It is not specified in POSIX.1; portable applications should
       employ sysconf(_SC_OPEN_MAX) instead of this call.

Specifically, this fixes a compilation problem on Android.
---
 src/gui/curses/headless/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gui/curses/headless/main.c b/src/gui/curses/headless/main.c
index b19a3ffc7..871a4a30d 100644
--- a/src/gui/curses/headless/main.c
+++ b/src/gui/curses/headless/main.c
@@ -72,7 +72,7 @@ daemonize ()
     setsid ();
 
     /* close all file descriptors */
-    for (i = getdtablesize(); i >= 0; --i)
+    for (i = sysconf(_SC_OPEN_MAX); i >= 0; --i)
     {
         close (i);
     }