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![Arnaldo Carvalho de Melo](/assets/img/avatar_default.png)
Remove the last unneeded use of cache.h in a header, we can check where it is really needed, i.e. we can remove it and be sure that it isn't being obtained indirectly. This is an old file, used by now incorrectly in many places, so it was providing includes needed indirectly, fixup this fallout. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-3x3l8gihoaeh7714os861ia7@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
184 lines
3.9 KiB
C
184 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/kernel.h>
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#include <subcmd/pager.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "color.h"
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#include <math.h>
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#include <unistd.h>
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int perf_use_color_default = -1;
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static int __color_vsnprintf(char *bf, size_t size, const char *color,
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const char *fmt, va_list args, const char *trail)
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{
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int r = 0;
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/*
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* Auto-detect:
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*/
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if (perf_use_color_default < 0) {
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if (isatty(1) || pager_in_use())
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perf_use_color_default = 1;
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else
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perf_use_color_default = 0;
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}
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if (perf_use_color_default && *color)
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r += scnprintf(bf, size, "%s", color);
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r += vscnprintf(bf + r, size - r, fmt, args);
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if (perf_use_color_default && *color)
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r += scnprintf(bf + r, size - r, "%s", PERF_COLOR_RESET);
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if (trail)
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r += scnprintf(bf + r, size - r, "%s", trail);
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return r;
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}
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/* Colors are not included in return value */
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static int __color_vfprintf(FILE *fp, const char *color, const char *fmt,
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va_list args)
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{
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int r = 0;
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/*
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* Auto-detect:
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*/
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if (perf_use_color_default < 0) {
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if (isatty(fileno(fp)) || pager_in_use())
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perf_use_color_default = 1;
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else
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perf_use_color_default = 0;
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}
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if (perf_use_color_default && *color)
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fprintf(fp, "%s", color);
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r += vfprintf(fp, fmt, args);
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if (perf_use_color_default && *color)
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fprintf(fp, "%s", PERF_COLOR_RESET);
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return r;
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}
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int color_vsnprintf(char *bf, size_t size, const char *color,
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const char *fmt, va_list args)
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{
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return __color_vsnprintf(bf, size, color, fmt, args, NULL);
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}
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int color_vfprintf(FILE *fp, const char *color, const char *fmt, va_list args)
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{
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return __color_vfprintf(fp, color, fmt, args);
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}
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int color_snprintf(char *bf, size_t size, const char *color,
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const char *fmt, ...)
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{
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va_list args;
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int r;
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va_start(args, fmt);
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r = color_vsnprintf(bf, size, color, fmt, args);
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va_end(args);
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return r;
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}
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int color_fprintf(FILE *fp, const char *color, const char *fmt, ...)
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{
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va_list args;
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int r;
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va_start(args, fmt);
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r = color_vfprintf(fp, color, fmt, args);
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va_end(args);
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return r;
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}
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/*
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* This function splits the buffer by newlines and colors the lines individually.
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*
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* Returns 0 on success.
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*/
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int color_fwrite_lines(FILE *fp, const char *color,
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size_t count, const char *buf)
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{
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if (!*color)
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return fwrite(buf, count, 1, fp) != 1;
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while (count) {
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char *p = memchr(buf, '\n', count);
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if (p != buf && (fputs(color, fp) < 0 ||
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fwrite(buf, p ? (size_t)(p - buf) : count, 1, fp) != 1 ||
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fputs(PERF_COLOR_RESET, fp) < 0))
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return -1;
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if (!p)
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return 0;
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if (fputc('\n', fp) < 0)
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return -1;
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count -= p + 1 - buf;
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buf = p + 1;
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}
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return 0;
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}
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const char *get_percent_color(double percent)
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{
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const char *color = PERF_COLOR_NORMAL;
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/*
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* We color high-overhead entries in red, mid-overhead
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* entries in green - and keep the low overhead places
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* normal:
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*/
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if (fabs(percent) >= MIN_RED)
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color = PERF_COLOR_RED;
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else {
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if (fabs(percent) > MIN_GREEN)
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color = PERF_COLOR_GREEN;
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}
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return color;
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}
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int percent_color_fprintf(FILE *fp, const char *fmt, double percent)
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{
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int r;
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const char *color;
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color = get_percent_color(percent);
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r = color_fprintf(fp, color, fmt, percent);
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return r;
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}
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int value_color_snprintf(char *bf, size_t size, const char *fmt, double value)
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{
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const char *color = get_percent_color(value);
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return color_snprintf(bf, size, color, fmt, value);
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}
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int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...)
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{
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va_list args;
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double percent;
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va_start(args, fmt);
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percent = va_arg(args, double);
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va_end(args);
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return value_color_snprintf(bf, size, fmt, percent);
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}
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int percent_color_len_snprintf(char *bf, size_t size, const char *fmt, ...)
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{
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va_list args;
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int len;
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double percent;
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const char *color;
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va_start(args, fmt);
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len = va_arg(args, int);
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percent = va_arg(args, double);
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va_end(args);
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color = get_percent_color(percent);
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return color_snprintf(bf, size, color, fmt, len, percent);
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}
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