perf tools: Remove trail argument to color vsprintf

Seems like it's always '\n' through color_fprintf_ln, which is not used
at all, removing.. ;-)
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1438649408-20807-2-git-send-email-andi@firstfloor.orgSigned-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/color.c

@@ -68,7 +68,7 @@ static int __color_vsnprintf(char *bf, size_t size, const char *color,
 }
 
 static int __color_vfprintf(FILE *fp, const char *color, const char *fmt,
-		va_list args, const char *trail)
+		va_list args)
 {
 	int r = 0;
 
@@ -87,8 +87,6 @@ static int __color_vfprintf(FILE *fp, const char *color, const char *fmt,
 	r += vfprintf(fp, fmt, args);
 	if (perf_use_color_default && *color)
 		r += fprintf(fp, "%s", PERF_COLOR_RESET);
-	if (trail)
-		r += fprintf(fp, "%s", trail);
 	return r;
 }
 
@@ -100,7 +98,7 @@ 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)
 {
-	return __color_vfprintf(fp, color, fmt, args, NULL);
+	return __color_vfprintf(fp, color, fmt, args);
 }
 
 int color_snprintf(char *bf, size_t size, const char *color,
@@ -126,16 +124,6 @@ int color_fprintf(FILE *fp, const char *color, const char *fmt, ...)
 	return r;
 }
 
-int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...)
-{
-	va_list args;
-	int r;
-	va_start(args, fmt);
-	r = __color_vfprintf(fp, color, fmt, args, "\n");
-	va_end(args);
-	return r;
-}
-
 /*
  * This function splits the buffer by newlines and colors the lines individually.
  *

tools/perf/util/color.h

@@ -35,7 +35,6 @@ 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_fprintf_ln(FILE *fp, 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, ...);