From 868ecad32ba7fb3eb763642e22ebb06938fdb359 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Sun, 8 May 2011 22:34:40 +0200
Subject: FFI: Add ffi.errno().

---
 src/lib_ffi.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/lib_ffi.c b/src/lib_ffi.c
index 27996f0e..321de499 100644
--- a/src/lib_ffi.c
+++ b/src/lib_ffi.c
@@ -6,6 +6,8 @@
 #define lib_ffi_c
 #define LUA_LIB
 
+#include <errno.h>
+
 #include "lua.h"
 #include "lauxlib.h"
 #include "lualib.h"
@@ -541,6 +543,12 @@ LJLIB_CF(ffi_offsetof)
   return 0;
 }
 
+LJLIB_CF(ffi_errno)
+{
+  setintV(L->top++, errno);
+  return 1;
+}
+
 LJLIB_CF(ffi_string)	LJLIB_REC(.)
 {
   CTState *cts = ctype_cts(L);
-- 
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