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git/color.h
Johannes Sixt e7821d73bd Add a notice that only certain functions can print color escape codes
We emulate color escape codes on Windows by overriding printf, fprintf,
and fputs. Warn developers that these are the only functions that can be
used to print them.

Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-11-27 00:28:40 -08:00

43 lines
1.4 KiB
C

#ifndef COLOR_H
#define COLOR_H
/* "\033[1;38;5;2xx;48;5;2xxm\0" is 23 bytes */
#define COLOR_MAXLEN 24
/*
* IMPORTANT: Due to the way these color codes are emulated on Windows,
* write them only using printf(), fprintf(), and fputs(). In particular,
* do not use puts() or write().
*/
#define GIT_COLOR_NORMAL ""
#define GIT_COLOR_RESET "\033[m"
#define GIT_COLOR_BOLD "\033[1m"
#define GIT_COLOR_RED "\033[31m"
#define GIT_COLOR_GREEN "\033[32m"
#define GIT_COLOR_YELLOW "\033[33m"
#define GIT_COLOR_BLUE "\033[34m"
#define GIT_COLOR_MAGENTA "\033[35m"
#define GIT_COLOR_CYAN "\033[36m"
#define GIT_COLOR_BG_RED "\033[41m"
/*
* This variable stores the value of color.ui
*/
extern int git_use_color_default;
/*
* Use this instead of git_default_config if you need the value of color.ui.
*/
int git_color_default_config(const char *var, const char *value, void *cb);
int git_config_colorbool(const char *var, const char *value, int stdout_is_tty);
void color_parse(const char *value, const char *var, char *dst);
void color_parse_mem(const char *value, int len, const char *var, char *dst);
__attribute__((format (printf, 3, 4)))
int color_fprintf(FILE *fp, const char *color, const char *fmt, ...);
__attribute__((format (printf, 3, 4)))
int color_fprintf_ln(FILE *fp, const char *color, const char *fmt, ...);
int color_fwrite_lines(FILE *fp, const char *color, size_t count, const char *buf);
#endif /* COLOR_H */