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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-06-16 11:57:54 -0300 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-06-19 15:27:05 -0300 |
commit | 3ee350fb8a2b30fe47dd9e3b299dff0178fc8c88 (patch) | |
tree | 8d7f8bf9243207e0c400b124dd4b230cb44f9436 | |
parent | afaed6d3e4aa56e939b496aafa5c97852e223122 (diff) | |
download | lwn-3ee350fb8a2b30fe47dd9e3b299dff0178fc8c88.tar.gz lwn-3ee350fb8a2b30fe47dd9e3b299dff0178fc8c88.zip |
tools: Adopt __scanf from kernel sources
To have a more compact way to ask the compiler to perform scanf like
argument validation.
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-yzqrhfjrn26lqqtwf55egg0h@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r-- | tools/include/linux/compiler-gcc.h | 1 | ||||
-rw-r--r-- | tools/perf/util/pmu.h | 4 |
2 files changed, 3 insertions, 2 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h index f531b258ff94..2846094aad4d 100644 --- a/tools/include/linux/compiler-gcc.h +++ b/tools/include/linux/compiler-gcc.h @@ -23,3 +23,4 @@ #define __noreturn __attribute__((noreturn)) #define __printf(a, b) __attribute__((format(printf, a, b))) +#define __scanf(a, b) __attribute__((format(scanf, a, b))) diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index ea7f450dc609..389e9729331f 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -2,6 +2,7 @@ #define __PMU_H #include <linux/bitmap.h> +#include <linux/compiler.h> #include <linux/perf_event.h> #include <stdbool.h> #include "evsel.h" @@ -83,8 +84,7 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet, bool long_desc, bool details_flag); bool pmu_have_event(const char *pname, const char *name); -int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, - ...) __attribute__((format(scanf, 3, 4))); +int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4); int perf_pmu__test(void); |