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[Qemu-devel] [PATCH 1/2] util: introduce bitmap_try_new
From: |
Peter Lieven |
Subject: |
[Qemu-devel] [PATCH 1/2] util: introduce bitmap_try_new |
Date: |
Fri, 22 Aug 2014 11:26:06 +0200 |
regular bitmap_new simply aborts if the memory allocation fails.
bitmap_try_new returns NULL on failure and allows for proper
error handling.
Signed-off-by: Peter Lieven <address@hidden>
---
include/qemu/bitmap.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h
index 1babd5d..51b430f 100644
--- a/include/qemu/bitmap.h
+++ b/include/qemu/bitmap.h
@@ -94,6 +94,12 @@ static inline unsigned long *bitmap_new(long nbits)
return g_malloc0(len);
}
+static inline unsigned long *bitmap_try_new(long nbits)
+{
+ long len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
+ return g_try_malloc0(len);
+}
+
static inline void bitmap_zero(unsigned long *dst, long nbits)
{
if (small_nbits(nbits)) {
--
1.7.9.5
[Qemu-devel] [PATCH 1/2] util: introduce bitmap_try_new,
Peter Lieven <=