hush/include/unicode.h
Denys Vlasenko 28055028a7 fold: unicode support. Based on a patch by Tomas Heinrich <heinrich.tomas@gmail.com>
General Unicode support is tweaked to expose unicode_status.

function                                             old     new   delta
init_unicode                                           -      77     +77
write2stdout                                           -      19     +19
adjust_column                                         68      71      +3
unicode_status                                         -       1      +1
unicode_is_enabled                                     1       -      -1
grep_main                                            780     773      -7
fold_main                                            619     552     -67
check_unicode_in_env                                  77       -     -77
------------------------------------------------------------------------------
(add/remove: 3/2 grow/shrink: 1/2 up/down: 100/-152)          Total: -52 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-04 20:49:58 +01:00

73 lines
1.6 KiB
C

/* 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 bb_mbstrlen(string) strlen(string)
# define unicode_status UNICODE_OFF
# define init_unicode() ((void)0)
#else
size_t bb_mbstrlen(const char *string) FAST_FUNC;
# if ENABLE_LOCALE_SUPPORT
# include <wchar.h>
# include <wctype.h>
extern uint8_t unicode_status;
void init_unicode(void) FAST_FUNC;
# else
/* Crude "locale support" which 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
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