From: Masami Hiramatsu on
Introducing xzalloc() which wrapping zalloc() for detecting out of memory.

Signed-off-by: Masami Hiramatsu <mhiramat(a)redhat.com>
Cc: Ingo Molnar <mingo(a)elte.hu>
Cc: Frederic Weisbecker <fweisbec(a)gmail.com>
Cc: Arnaldo Carvalho de Melo <acme(a)redhat.com>
Cc: Paul Mackerras <paulus(a)samba.org>
Cc: Mike Galbraith <efault(a)gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra(a)chello.nl>
---

tools/perf/util/util.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 0f5b2a6..630902e 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -295,6 +295,13 @@ extern void *xmemdupz(const void *data, size_t len);
extern char *xstrndup(const char *str, size_t len);
extern void *xrealloc(void *ptr, size_t size) __attribute__((weak));

+static inline void *xzalloc(size_t size)
+{
+ void *buf;
+ buf = xmalloc(size);
+ return memset(buf, 0, size);
+}
+
static inline void *zalloc(size_t size)
{
return calloc(1, size);


--
Masami Hiramatsu
e-mail: mhiramat(a)redhat.com
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