From: Michael Beck <beck@ipd.info.uni-karlsruhe.de>
Date: Sun, 18 Nov 2007 20:38:54 +0000 (+0000)
Subject: added rbitset_malloc()
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=dd312230a8b2bd294780d451b26976599cec83dd;p=libfirm

added rbitset_malloc()

[r16781]
---

diff --git a/include/libfirm/adt/raw_bitset.h b/include/libfirm/adt/raw_bitset.h
index 05ac9e42d..8ffee7a8a 100644
--- a/include/libfirm/adt/raw_bitset.h
+++ b/include/libfirm/adt/raw_bitset.h
@@ -49,6 +49,21 @@
 #define BITSET_SIZE_BYTES(size_bits)    (BITSET_SIZE_ELEMS(size_bits)*4)
 #define BITSET_ELEM(bitset,pos)         bitset[pos / 32]
 
+/**
+ * Allocate an empty raw bitset on the heap.
+ *
+ * @param size  element size of the bitset
+ *
+ * @return the new bitset
+ */
+static INLINE unsigned *rbitset_malloc(unsigned size) {
+	unsigned size_bytes = BITSET_SIZE_BYTES(size);
+	unsigned *res = malloc(size_bytes);
+	memset(res, 0, size_bytes);
+
+	return res;
+}
+
 /**
  * Allocate an empty raw bitset on the stack.
  *