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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-04-17 11:29:26 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-06-05 10:28:57 +0200
commit110cf308d24a6b7ec27852a4d0933bfe00f551c9 (patch)
treec5dd3cdd0d00566e0ff6600990bb8c7b77c1923b /tools/include
parentd45e1f06a18644d18c0280c0a1091d22f7fa8b83 (diff)
tools include: Move ARRAY_SIZE() to linux/kernel.h
commit 8607c1ee734d12f62c6a46abef13a510e25a1839 upstream. To match the kernel, then look for places redefining it to make it use this version, which checks that its parameter is an array at build time. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-txlcf1im83bcbj6kh0wxmyy8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/linux/kernel.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h
index adb4d0147755..73ccc48126bb 100644
--- a/tools/include/linux/kernel.h
+++ b/tools/include/linux/kernel.h
@@ -4,6 +4,7 @@
#include <stdarg.h>
#include <stddef.h>
#include <assert.h>
+#include <linux/compiler.h>
#ifndef UINT_MAX
#define UINT_MAX (~0U)
@@ -76,6 +77,8 @@
int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
int scnprintf(char * buf, size_t size, const char * fmt, ...);
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
+
/*
* This looks more complex than it should be. But we need to
* get the type for the ~ right in round_down (it needs to be