Module: xenomai-forge
Branch: master
Commit: b09f03f95b3179af5b4d24cac637bbe6706c06ee
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=b09f03f95b3179af5b4d24cac637bbe6706c06ee
Author: Philippe Gerum <r...@xenomai.org>
Date: Thu Nov 17 23:00:11 2011 +0100
copperplate/reference: no direct test of non-zero constant for nullity
---
include/copperplate/reference.h | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/include/copperplate/reference.h b/include/copperplate/reference.h
index 7c7855d..8fcd6b0 100644
--- a/include/copperplate/reference.h
+++ b/include/copperplate/reference.h
@@ -73,7 +73,11 @@ struct __fnref {
#define dref_type(t) memoff_t
#define fnref_type(t) int
#define fnref_null -1
-#define fnref_put(l, s) ((s) == NULL ? fnref_null : __refvar(l,
s))
+static inline int __fnref_nofn(void *fnaddr)
+{
+ return fnaddr == NULL;
+}
+#define fnref_put(l, s) (__fnref_nofn((void *)(s)) ? fnref_null
: __refvar(l, s))
#define fnref_get(v, r) ((v) = (r) < 0 ? NULL : __refchk(v, r))
#define fnref_register(l, s) \
int __refvar(l, s); \
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