1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/kernel.h> 3 #include "cache.h" 4 #include "config.h" 5 #include <stdlib.h> 6 #include <stdio.h> 7 #include "color.h" 8 #include <math.h> 9 #include <unistd.h> 10 11 int perf_config_colorbool(const char *var, const char *value, int stdout_is_tty) 12 { 13 if (value) { 14 if (!strcasecmp(value, "never")) 15 return 0; 16 if (!strcasecmp(value, "always")) 17 return 1; 18 if (!strcasecmp(value, "auto")) 19 goto auto_color; 20 } 21 22 /* Missing or explicit false to turn off colorization */ 23 if (!perf_config_bool(var, value)) 24 return 0; 25 26 /* any normal truth value defaults to 'auto' */ 27 auto_color: 28 if (stdout_is_tty < 0) 29 stdout_is_tty = isatty(1); 30 if (stdout_is_tty || pager_in_use()) { 31 char *term = getenv("TERM"); 32 if (term && strcmp(term, "dumb")) 33 return 1; 34 } 35 return 0; 36 } 37 38 int perf_color_default_config(const char *var, const char *value, 39 void *cb __maybe_unused) 40 { 41 if (!strcmp(var, "color.ui")) { 42 perf_use_color_default = perf_config_colorbool(var, value, -1); 43 return 0; 44 } 45 46 return 0; 47 } 48