From: Sven Verdoolaege <skimo@kotnet.org>
Date: Thu, 1 Sep 2011 14:21:18 +0000 (+0200)
Subject: isl_qpolynomial_free: return NULL
X-Git-Tag: isl-0.08~151
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eb32f341579b0a18f347f606a876dabeebf9bff9;p=platform%2Fupstream%2Fisl.git

isl_qpolynomial_free: return NULL

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

diff --git a/doc/user.pod b/doc/user.pod
index 93106a8..c9ea656 100644
--- a/doc/user.pod
+++ b/doc/user.pod
@@ -2919,7 +2919,7 @@ functions.
 
 	__isl_give isl_qpolynomial *isl_qpolynomial_copy(
 		__isl_keep isl_qpolynomial *qp);
-	void isl_qpolynomial_free(__isl_take isl_qpolynomial *qp);
+	void *isl_qpolynomial_free(__isl_take isl_qpolynomial *qp);
 
 	__isl_give isl_pw_qpolynomial *isl_pw_qpolynomial_copy(
 		__isl_keep isl_pw_qpolynomial *pwqp);
diff --git a/include/isl/polynomial.h b/include/isl/polynomial.h
index 2b2ac4c..3fc3cd5 100644
--- a/include/isl/polynomial.h
+++ b/include/isl/polynomial.h
@@ -42,7 +42,7 @@ __isl_give isl_qpolynomial *isl_qpolynomial_div(__isl_take isl_div *div);
 __isl_give isl_qpolynomial *isl_qpolynomial_var(__isl_take isl_dim *dim,
 	enum isl_dim_type type, unsigned pos);
 __isl_give isl_qpolynomial *isl_qpolynomial_copy(__isl_keep isl_qpolynomial *qp);
-void isl_qpolynomial_free(__isl_take isl_qpolynomial *qp);
+void *isl_qpolynomial_free(__isl_take isl_qpolynomial *qp);
 
 int isl_qpolynomial_plain_is_equal(__isl_keep isl_qpolynomial *qp1,
 	__isl_keep isl_qpolynomial *qp2);
diff --git a/isl_polynomial.c b/isl_polynomial.c
index 2ec67f2..0d2a125 100644
--- a/isl_polynomial.c
+++ b/isl_polynomial.c
@@ -1018,19 +1018,20 @@ __isl_give isl_qpolynomial *isl_qpolynomial_cow(__isl_take isl_qpolynomial *qp)
 	return isl_qpolynomial_dup(qp);
 }
 
-void isl_qpolynomial_free(__isl_take isl_qpolynomial *qp)
+void *isl_qpolynomial_free(__isl_take isl_qpolynomial *qp)
 {
 	if (!qp)
-		return;
+		return NULL;
 
 	if (--qp->ref > 0)
-		return;
+		return NULL;
 
 	isl_dim_free(qp->dim);
 	isl_mat_free(qp->div);
 	isl_upoly_free(qp->upoly);
 
 	free(qp);
+	return NULL;
 }
 
 __isl_give struct isl_upoly *isl_upoly_var_pow(isl_ctx *ctx, int pos, int power)