busybox/include/unicode.h

/* vi: set sw=4 ts=4: */
/*
 * Licensed under the GPL version 2, see the file LICENSE in this tarball.
 */
#ifndef UNICODE_H
#define UNICODE_H 1

enum {
	UNICODE_UNKNOWN = 0,
	UNICODE_OFF = 1,
	UNICODE_ON = 2,
};

#if !ENABLE_FEATURE_ASSUME_UNICODE

# define unicode_strlen(string) strlen(string)
# define unicode_scrlen(string) TODO
# define unicode_status UNICODE_OFF
# define init_unicode() ((void)0)

#else

size_t FAST_FUNC unicode_strlen(const char *string);
char* FAST_FUNC unicode_cut_nchars(unsigned width, const char *src);
unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);

# if ENABLE_LOCALE_SUPPORT

#  include <wchar.h>
#  include <wctype.h>
extern uint8_t unicode_status;
void init_unicode(void) FAST_FUNC;

# else

/* Homegrown Unicode support. It knows only C and Unicode locales. */

#  if !ENABLE_FEATURE_CHECK_UNICODE_IN_ENV
#   define unicode_status UNICODE_ON
#   define init_unicode() ((void)0)
#  else
extern uint8_t unicode_status;
void init_unicode(void) FAST_FUNC;
#  endif

#  undef MB_CUR_MAX
#  define MB_CUR_MAX 6

/* Prevent name collisions */
#  define wint_t    bb_wint_t
#  define mbstate_t bb_mbstate_t
#  define mbstowcs  bb_mbstowcs
#  define wcstombs  bb_wcstombs
#  define wcrtomb   bb_wcrtomb
#  define iswspace  bb_iswspace
#  define iswalnum  bb_iswalnum
#  define iswpunct  bb_iswpunct
#  define wcwidth   bb_wcwidth

typedef int32_t wint_t;
typedef struct {
	char bogus;
} mbstate_t;

size_t mbstowcs(wchar_t *dest, const char *src, size_t n) FAST_FUNC;
size_t wcstombs(char *dest, const wchar_t *src, size_t n) FAST_FUNC;
size_t wcrtomb(char *s, wchar_t wc, mbstate_t *ps) FAST_FUNC;
int iswspace(wint_t wc) FAST_FUNC;
int iswalnum(wint_t wc) FAST_FUNC;
int iswpunct(wint_t wc) FAST_FUNC;


# endif /* !LOCALE_SUPPORT */

#endif /* FEATURE_ASSUME_UNICODE */

#endif
1	/* vi: set sw=4 ts=4: */
2	/*
3	* Licensed under the GPL version 2, see the file LICENSE in this tarball.
4	*/
5	#ifndef UNICODE_H
6	#define UNICODE_H 1
7
8	enum {
9	UNICODE_UNKNOWN = 0,
10	UNICODE_OFF = 1,
11	UNICODE_ON = 2,
12	};
13
14	#if !ENABLE_FEATURE_ASSUME_UNICODE
15
16	# define unicode_strlen(string) strlen(string)
17	# define unicode_scrlen(string) TODO
18	# define unicode_status UNICODE_OFF
19	# define init_unicode() ((void)0)
20
21	#else
22
23	size_t FAST_FUNC unicode_strlen(const char *string);
24	char* FAST_FUNC unicode_cut_nchars(unsigned width, const char *src);
25	unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);
26
27	# if ENABLE_LOCALE_SUPPORT
28
29	# include <wchar.h>
30	# include <wctype.h>
31	extern uint8_t unicode_status;
32	void init_unicode(void) FAST_FUNC;
33
34	# else
35
36	/* Homegrown Unicode support. It knows only C and Unicode locales. */
37
38	# if !ENABLE_FEATURE_CHECK_UNICODE_IN_ENV
39	# define unicode_status UNICODE_ON
40	# define init_unicode() ((void)0)
41	# else
42	extern uint8_t unicode_status;
43	void init_unicode(void) FAST_FUNC;
44	# endif
45
46	# undef MB_CUR_MAX
47	# define MB_CUR_MAX 6
48
49	/* Prevent name collisions */
50	# define wint_t bb_wint_t
51	# define mbstate_t bb_mbstate_t
52	# define mbstowcs bb_mbstowcs
53	# define wcstombs bb_wcstombs
54	# define wcrtomb bb_wcrtomb
55	# define iswspace bb_iswspace
56	# define iswalnum bb_iswalnum
57	# define iswpunct bb_iswpunct
58	# define wcwidth bb_wcwidth
59
60	typedef int32_t wint_t;
61	typedef struct {
62	char bogus;
63	} mbstate_t;
64
65	size_t mbstowcs(wchar_t dest, const char src, size_t n) FAST_FUNC;
66	size_t wcstombs(char dest, const wchar_t src, size_t n) FAST_FUNC;
67	size_t wcrtomb(char s, wchar_t wc, mbstate_t ps) FAST_FUNC;
68	int iswspace(wint_t wc) FAST_FUNC;
69	int iswalnum(wint_t wc) FAST_FUNC;
70	int iswpunct(wint_t wc) FAST_FUNC;
71
72
73	# endif /* !LOCALE_SUPPORT */
74
75	#endif /* FEATURE_ASSUME_UNICODE */
76
77	#endif