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util-linux/include/colors.h

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1.7 KiB

/*
* Copyright (C) 2012 Ondrej Oprala <ooprala@redhat.com>
* Copyright (C) 2012-2014 Karel Zak <kzak@redhat.com>
*
* This file may be distributed under the terms of the
* GNU Lesser General Public License.
*/
#ifndef UTIL_LINUX_COLORS_H
#define UTIL_LINUX_COLORS_H
#include <stdio.h>
#include <unistd.h>
#include "color-names.h"
/* --color[=WHEN] */
enum colortmode {
UL_COLORMODE_AUTO = 0,
UL_COLORMODE_NEVER,
UL_COLORMODE_ALWAYS,
UL_COLORMODE_UNDEF,
__UL_NCOLORMODES /* last */
};
#ifdef USE_COLORS_BY_DEFAULT
# define USAGE_COLORS_DEFAULT _("colors are enabled by default")
#else
# define USAGE_COLORS_DEFAULT _("colors are disabled by default")
#endif
extern int colormode_from_string(const char *str);
extern int colormode_or_err(const char *str, const char *errmsg);
/* Initialize the global variable UL_COLOR_TERM_OK */
extern int colors_init(int mode, const char *util_name);
/* Returns 1 or 0 */
extern int colors_wanted(void);
/* Returns UL_COLORMODE_* */
extern int colors_mode(void);
/* temporary enable/disable colors */
extern void colors_off(void);
extern void colors_on(void);
/* Set the color */
extern void color_fenable(const char *seq, FILE *f);
extern void color_scheme_fenable(const char *name, const char *dflt, FILE *f);
extern const char *color_scheme_get_sequence(const char *name, const char *dflt);
static inline void color_enable(const char *seq)
{
color_fenable(seq, stdout);
}
static inline void color_scheme_enable(const char *name, const char *dflt)
{
color_scheme_fenable(name, dflt, stdout);
}
/* Reset colors to default */
extern void color_fdisable(FILE *f);
static inline void color_disable(void)
{
color_fdisable(stdout);
}
#endif /* UTIL_LINUX_COLORS_H */