From: Sven Verdoolaege <skimo@kotnet.org>
Date: Sat, 30 Jun 2012 12:47:04 +0000 (+0200)
Subject: isl_set_free: return NULL
X-Git-Tag: isl-0.11~258
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f8f41422339018d4c3169d34cbc1df10341723bd;p=platform%2Fupstream%2Fisl.git

isl_set_free: return NULL

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---

diff --git a/doc/user.pod b/doc/user.pod
index 53725a8..b8770c0 100644
--- a/doc/user.pod
+++ b/doc/user.pod
@@ -1220,7 +1220,7 @@ functions.
 	__isl_give isl_union_map *isl_union_map_copy(
 		__isl_keep isl_union_map *umap);
 	void isl_basic_set_free(__isl_take isl_basic_set *bset);
-	void isl_set_free(__isl_take isl_set *set);
+	void *isl_set_free(__isl_take isl_set *set);
 	void *isl_union_set_free(__isl_take isl_union_set *uset);
 	void isl_basic_map_free(__isl_take isl_basic_map *bmap);
 	void isl_map_free(__isl_take isl_map *map);
diff --git a/include/isl/set.h b/include/isl/set.h
index 6be9ba4..ae45890 100644
--- a/include/isl/set.h
+++ b/include/isl/set.h
@@ -251,7 +251,7 @@ __isl_give isl_set *isl_set_add_basic_set(__isl_take isl_set *set,
 						__isl_take isl_basic_set *bset);
 struct isl_set *isl_set_finalize(struct isl_set *set);
 __isl_give isl_set *isl_set_copy(__isl_keep isl_set *set);
-void isl_set_free(__isl_take isl_set *set);
+void *isl_set_free(__isl_take isl_set *set);
 struct isl_set *isl_set_dup(struct isl_set *set);
 __isl_constructor
 __isl_give isl_set *isl_set_from_basic_set(__isl_take isl_basic_set *bset);
diff --git a/isl_map.c b/isl_map.c
index 44a2056..fc4835e 100644
--- a/isl_map.c
+++ b/isl_map.c
@@ -2471,21 +2471,23 @@ __isl_give isl_set *isl_set_add_basic_set(__isl_take isl_set *set,
 						(struct isl_basic_map *)bset);
 }
 
-void isl_set_free(struct isl_set *set)
+void *isl_set_free(__isl_take isl_set *set)
 {
 	int i;
 
 	if (!set)
-		return;
+		return NULL;
 
 	if (--set->ref > 0)
-		return;
+		return NULL;
 
 	isl_ctx_deref(set->ctx);
 	for (i = 0; i < set->n; ++i)
 		isl_basic_set_free(set->p[i]);
 	isl_space_free(set->dim);
 	free(set);
+
+	return NULL;
 }
 
 void isl_set_print_internal(struct isl_set *set, FILE *out, int indent)