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linux-next/include/linux/consolemap.h
Jiri Slaby d73568c4cc vt: make vc_data pointers const in selection.h
There are many functions declared in selection.h which only read from
struct vc_data passed as a parameter. Make all those uses const to hint
the compiler a bit.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200818085706.12163-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-18 13:45:20 +02:00

37 lines
1.1 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* consolemap.h
*
* Interface between console.c, selection.c and consolemap.c
*/
#ifndef __LINUX_CONSOLEMAP_H__
#define __LINUX_CONSOLEMAP_H__
#define LAT1_MAP 0
#define GRAF_MAP 1
#define IBMPC_MAP 2
#define USER_MAP 3
#include <linux/types.h>
#ifdef CONFIG_CONSOLE_TRANSLATIONS
struct vc_data;
extern u16 inverse_translate(const struct vc_data *conp, int glyph,
int use_unicode);
extern unsigned short *set_translate(int m, struct vc_data *vc);
extern int conv_uni_to_pc(struct vc_data *conp, long ucs);
extern u32 conv_8bit_to_uni(unsigned char c);
extern int conv_uni_to_8bit(u32 uni);
void console_map_init(void);
#else
#define inverse_translate(conp, glyph, uni) ((uint16_t)glyph)
#define set_translate(m, vc) ((unsigned short *)NULL)
#define conv_uni_to_pc(conp, ucs) ((int) (ucs > 0xff ? -1: ucs))
#define conv_8bit_to_uni(c) ((uint32_t)(c))
#define conv_uni_to_8bit(c) ((int) ((c) & 0xff))
#define console_map_init(c) do { ; } while (0)
#endif /* CONFIG_CONSOLE_TRANSLATIONS */
#endif /* __LINUX_CONSOLEMAP_H__ */