linux-kernel - Re: [PATCH] perf tools: Remove unused color_fwrite

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Message-ID: <CAP-5=fVNcMq7xjPHFE-f=LddSDz4G2cWxUGDjSuFtafVAtY6bg@mail.gmail.com>
Date: Tue, 8 Oct 2024 17:48:49 -0700
From: Ian Rogers <irogers@...gle.com>
To: linux@...blig.org
Cc: peterz@...radead.org, mingo@...hat.com, acme@...nel.org, 
	namhyung@...nel.org, mark.rutland@....com, alexander.shishkin@...ux.intel.com, 
	jolsa@...nel.org, adrian.hunter@...el.com, kan.liang@...ux.intel.com, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf tools: Remove unused color_fwrite_lines

On Tue, Oct 8, 2024 at 5:39 PM <linux@...blig.org> wrote:
>
> From: "Dr. David Alan Gilbert" <linux@...blig.org>
>
> color_fwrite_lines() was added by 2009's commit
> 8fc0321f1ad0 ("perf_counter tools: Add color terminal output support")
>
> but has never been used.
>
> Remove it.
>
> Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>

Reviewed-by: Ian Rogers <irogers@...gle.com>

Thanks,
Ian

> ---
>  tools/perf/util/color.c | 28 ----------------------------
>  tools/perf/util/color.h |  1 -
>  2 files changed, 29 deletions(-)
>
> diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c
> index bffbdd216a6a..e51f0a676a22 100644
> --- a/tools/perf/util/color.c
> +++ b/tools/perf/util/color.c
> @@ -93,34 +93,6 @@ int color_fprintf(FILE *fp, const char *color, const char *fmt, ...)
>         return r;
>  }
>
> -/*
> - * This function splits the buffer by newlines and colors the lines individually.
> - *
> - * Returns 0 on success.
> - */
> -int color_fwrite_lines(FILE *fp, const char *color,
> -               size_t count, const char *buf)
> -{
> -       if (!*color)
> -               return fwrite(buf, count, 1, fp) != 1;
> -
> -       while (count) {
> -               char *p = memchr(buf, '\n', count);
> -
> -               if (p != buf && (fputs(color, fp) < 0 ||
> -                               fwrite(buf, p ? (size_t)(p - buf) : count, 1, fp) != 1 ||
> -                               fputs(PERF_COLOR_RESET, fp) < 0))
> -                       return -1;
> -               if (!p)
> -                       return 0;
> -               if (fputc('\n', fp) < 0)
> -                       return -1;
> -               count -= p + 1 - buf;
> -               buf = p + 1;
> -       }
> -       return 0;
> -}
> -
>  const char *get_percent_color(double percent)
>  {
>         const char *color = PERF_COLOR_NORMAL;
> diff --git a/tools/perf/util/color.h b/tools/perf/util/color.h
> index 01f7bed21c9b..aecf56dae73f 100644
> --- a/tools/perf/util/color.h
> +++ b/tools/perf/util/color.h
> @@ -39,7 +39,6 @@ int color_vsnprintf(char *bf, size_t size, const char *color,
>  int color_vfprintf(FILE *fp, const char *color, const char *fmt, va_list args);
>  int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
>  int color_snprintf(char *bf, size_t size, const char *color, const char *fmt, ...);
> -int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf);
>  int value_color_snprintf(char *bf, size_t size, const char *fmt, double value);
>  int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...);
>  int percent_color_len_snprintf(char *bf, size_t size, const char *fmt, ...);
> --
> 2.46.2
>