Commit-ID: 8607c1ee734d12f62c6a46abef13a510e25a1839 Gitweb: http://git.kernel.org/tip/8607c1ee734d12f62c6a46abef13a510e25a1839 Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Mon, 17 Apr 2017 11:29:26 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 19 Apr 2017 13:01:43 -0300
tools include: Move ARRAY_SIZE() to linux/kernel.h 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 <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/include/linux/kernel.h | 3 +++ tools/perf/util/util.h | 2 -- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h index adb4d01..73ccc48 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 diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index df13658..3eccd6f 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -1,8 +1,6 @@ #ifndef GIT_COMPAT_UTIL_H #define GIT_COMPAT_UTIL_H -#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) - #ifdef __GNUC__ #define TYPEOF(x) (__typeof__(x)) #else
