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

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Message-ID: <20241009003938.254936-1-linux@treblig.org>
Date: Wed,  9 Oct 2024 01:39:38 +0100
From: linux@...blig.org
To: peterz@...radead.org,
	mingo@...hat.com,
	acme@...nel.org,
	namhyung@...nel.org,
	mark.rutland@....com,
	alexander.shishkin@...ux.intel.com,
	jolsa@...nel.org,
	irogers@...gle.com,
	adrian.hunter@...el.com,
	kan.liang@...ux.intel.com
Cc: linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH] perf tools: Remove unused color_fwrite_lines

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>
---
 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