4 #define COLOR_RESET "\033[m"
6 static int parse_color(const char *name, int len)
8 static const char * const color_names[] = {
9 "normal", "black", "red", "green", "yellow",
10 "blue", "magenta", "cyan", "white"
14 for (i = 0; i < ARRAY_SIZE(color_names); i++) {
15 const char *str = color_names[i];
16 if (!strncasecmp(name, str, len) && !str[len])
19 i = strtol(name, &end, 10);
20 if (end - name == len && i >= -1 && i <= 255)
25 static int parse_attr(const char *name, int len)
27 static const int attr_values[] = { 1, 2, 4, 5, 7 };
28 static const char * const attr_names[] = {
29 "bold", "dim", "ul", "blink", "reverse"
32 for (i = 0; i < ARRAY_SIZE(attr_names); i++) {
33 const char *str = attr_names[i];
34 if (!strncasecmp(name, str, len) && !str[len])
35 return attr_values[i];
40 void color_parse(const char *value, const char *var, char *dst)
42 const char *ptr = value;
47 if (!strcasecmp(value, "reset")) {
48 strcpy(dst, "\033[m");
52 /* [fg [bg]] [attr] */
54 const char *word = ptr;
57 while (word[len] && !isspace(word[len]))
61 while (*ptr && isspace(*ptr))
64 val = parse_color(word, len);
76 val = parse_attr(word, len);
77 if (val < 0 || attr != -1)
82 if (attr >= 0 || fg >= 0 || bg >= 0) {
98 dst += sprintf(dst, "38;5;%d", fg);
108 dst += sprintf(dst, "48;5;%d", bg);
116 die("bad config value '%s' for variable '%s'", value, var);
119 int git_config_colorbool(const char *var, const char *value, int stdout_is_tty)
122 if (!strcasecmp(value, "never"))
124 if (!strcasecmp(value, "always"))
126 if (!strcasecmp(value, "auto"))
130 /* Missing or explicit false to turn off colorization */
131 if (!git_config_bool(var, value))
134 /* any normal truth value defaults to 'auto' */
136 if (stdout_is_tty < 0)
137 stdout_is_tty = isatty(1);
138 if (stdout_is_tty || (pager_in_use() && pager_use_color)) {
139 char *term = getenv("TERM");
140 if (term && strcmp(term, "dumb"))
146 static int color_vfprintf(FILE *fp, const char *color, const char *fmt,
147 va_list args, const char *trail)
152 r += fprintf(fp, "%s", color);
153 r += vfprintf(fp, fmt, args);
155 r += fprintf(fp, "%s", COLOR_RESET);
157 r += fprintf(fp, "%s", trail);
163 int color_fprintf(FILE *fp, const char *color, const char *fmt, ...)
168 r = color_vfprintf(fp, color, fmt, args, NULL);
173 int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...)
178 r = color_vfprintf(fp, color, fmt, args, "\n");