FFI: Add ffi.errno().

2011-05-08 22:34:40 +02:00
parent 77ba7726e2
commit 868ecad32b
2 changed files with 30 additions and 0 deletions
--- 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);