Previously the macro argument err was expanded and thus potentially
evaluated multiple times. This is fine for simple values or pure
functions, but not for say iohelp_create_iouser. Fix this by
evaluating the macro argument only once.
---
libiohelp/iouser-create.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libiohelp/iouser-create.c b/libiohelp/iouser-create.c
index f1dd2f0..980c8a1 100644
--- a/libiohelp/iouser-create.c
+++ b/libiohelp/iouser-create.c
@@ -33,8 +33,9 @@ iohelp_create_iouser (struct iouser **user, struct idvec
*uids,
return 0;
}
-#define E(err) \
+#define E(err_) \
do { \
+ error_t err = err_; \
if (err) \
{ \
*user = 0; \
--
1.7.10.4
