color: allow multiple attributes
[git/git.git] / color.h
1 #ifndef COLOR_H
2 #define COLOR_H
3
4 /* 2 + (2 * num_attrs) + 8 + 1 + 8 + 'm' + NUL */
5 /* "\033[1;2;4;5;7;38;5;2xx;48;5;2xxm\0" */
6 /*
7 * The maximum length of ANSI color sequence we would generate:
8 * - leading ESC '[' 2
9 * - attr + ';' 2 * 8 (e.g. "1;")
10 * - fg color + ';' 9 (e.g. "38;5;2xx;")
11 * - fg color + ';' 9 (e.g. "48;5;2xx;")
12 * - terminating 'm' NUL 2
13 *
14 * The above overcounts attr (we only use 5 not 8) and one semicolon
15 * but it is close enough.
16 */
17 #define COLOR_MAXLEN 40
18
19 /*
20 * This variable stores the value of color.ui
21 */
22 extern int git_use_color_default;
23
24
25 /*
26 * Use this instead of git_default_config if you need the value of color.ui.
27 */
28 int git_color_default_config(const char *var, const char *value, void *cb);
29
30 int git_config_colorbool(const char *var, const char *value, int stdout_is_tty);
31 void color_parse(const char *value, const char *var, char *dst);
32 void color_parse_mem(const char *value, int len, const char *var, char *dst);
33 int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
34 int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
35 int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf);
36
37 #endif /* COLOR_H */