1 #include <stdio.h> 2 #include <stdarg.h> 3 4 #include "color.h" 5 6 enum color { 7 C_RED, 8 C_GREEN, 9 C_YELLOW, 10 C_BLUE, 11 C_MAGENTA, 12 C_CYAN, 13 C_WHITE, 14 C_CLEAR 15 }; 16 17 static const char * const color_codes[] = { 18 "\e[31m", 19 "\e[32m", 20 "\e[33m", 21 "\e[34m", 22 "\e[35m", 23 "\e[36m", 24 "\e[37m", 25 "\e[0m", 26 NULL, 27 }; 28 29 static enum color attr_colors[] = { 30 C_CYAN, 31 C_YELLOW, 32 C_MAGENTA, 33 C_BLUE, 34 C_GREEN, 35 C_RED 36 }; 37 38 static int color_is_enabled; 39 40 void enable_color(void) 41 { 42 color_is_enabled = 1; 43 } 44 45 int color_fprintf(FILE *fp, enum color_attr attr, const char *fmt, ...) 46 { 47 int ret = 0; 48 va_list args; 49 50 va_start(args, fmt); 51 52 if (!color_is_enabled) { 53 ret = vfprintf(fp, fmt, args); 54 goto end; 55 } 56 57 ret += fprintf(fp, "%s", color_codes[attr_colors[attr]]); 58 ret += vfprintf(fp, fmt, args); 59 ret += fprintf(fp, "%s", color_codes[C_CLEAR]); 60 61 end: 62 va_end(args); 63 return ret; 64 } 65
