From f5a336d576e39e39b6835d4379adba39eb10ceb9 Mon Sep 17 00:00:00 2001
From: orbitcowboy <ettl.martin78@gmail.com>
Date: Thu, 5 Feb 2015 11:40:25 +0100
Subject: [PATCH] posix.cfg: Improved support for <unistd.h> functions.

---
 cfg/posix.cfg | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/cfg/posix.cfg b/cfg/posix.cfg
index 711a18c97..14af4d73a 100644
--- a/cfg/posix.cfg
+++ b/cfg/posix.cfg
@@ -284,13 +284,35 @@
       <not-uninit/>
     </arg>
   </function>
-  <!-- int close(int fildes);-->
+  <!-- int close(int fildes); -->
   <function name="close">
     <noreturn>false</noreturn>
     <arg nr="1">
       <not-uninit/>
     </arg>
   </function>
+  <!-- size_t confstr(int, char *, size_t); -->
+  <function name="confstr">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <arg nr="2">
+      <not-uninit/>
+    </arg>
+    <arg nr="3">
+      <not-uninit/>
+    </arg>
+    <leak-ignore/>
+  </function>
+  <!-- long int sysconf(int name); -->
+  <function name="sysconf">
+    <noreturn>false</noreturn>
+    <arg nr="1">
+      <not-uninit/>
+    </arg>
+    <leak-ignore/>
+  </function>
   <function name="fdopen">
     <noreturn>false</noreturn>
     <arg nr="1">