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SubjectRe: [PATCH] perf machine: Use true and false for bool variable
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On 2/18/21 2:54 PM, Jiapeng Chong wrote:
> Fix the following coccicheck warnings:
>
> ./tools/perf/util/machine.c:2000:9-10: WARNING: return of 0/1 in
> function 'symbol__match_regex' with return type bool.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
> tools/perf/util/machine.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
> index 1e9d3f9..f7ee29b 100644
> --- a/tools/perf/util/machine.c
> +++ b/tools/perf/util/machine.c
> @@ -1997,8 +1997,8 @@ int machine__process_event(struct machine *machine, union perf_event *event,
> static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
> {
> if (!regexec(regex, sym->name, 0, NULL, 0))
> - return 1;
> - return 0;
> + return true;
> + return false;
> }
>

Hi Jiapeng,
Just a suggestion, Can we make this check in single line like this:

static bool symbol__match_regex(struct symbol *sym, regex_t *regex)
{
return regexec(regex, sym->name, 0, NULL, 0) == 0;
}

Thanks,
Kajol Jain

> static void ip__resolve_ams(struct thread *thread,
>

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