9f93d62192
Also opens up a possibility to make other unicode stuff smaller and more correct later. but: function old new delta static.combining - 516 +516 bb_wcwidth - 328 +328 unicode_cut_nchars - 141 +141 mbstowc_internal - 93 +93 in_table - 78 +78 cal_main 899 961 +62 static.combining0x10000 - 40 +40 unicode_strlen - 31 +31 bb_mbstrlen 31 - -31 bb_mbstowcs 173 102 -71 ------------------------------------------------------------------------------ (add/remove: 7/1 grow/shrink: 1/1 up/down: 1289/-102) Total: 1187 bytes Uses code of Markus Kuhn, which is in public domain: http://www.cl.cam.ac.uk/~mgk25/ucs/wcwidth.c "Permission to use, copy, modify, and distribute this software for any purpose and without fee is hereby granted. The author disclaims all warranties with regard to this software." Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Licensed under the GPL version 2, see the file LICENSE in this tarball.
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*/
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#ifndef UNICODE_H
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#define UNICODE_H 1
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enum {
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UNICODE_UNKNOWN = 0,
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UNICODE_OFF = 1,
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UNICODE_ON = 2,
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};
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#if !ENABLE_FEATURE_ASSUME_UNICODE
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# define unicode_strlen(string) strlen(string)
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# define unicode_scrlen(string) TODO
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# define unicode_status UNICODE_OFF
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# define init_unicode() ((void)0)
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#else
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size_t FAST_FUNC unicode_strlen(const char *string);
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char* FAST_FUNC unicode_cut_nchars(unsigned width, const char *src);
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unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);
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# if ENABLE_LOCALE_SUPPORT
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# include <wchar.h>
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# include <wctype.h>
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extern uint8_t unicode_status;
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void init_unicode(void) FAST_FUNC;
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# else
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/* Homegrown Unicode support. It knows only C and Unicode locales. */
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# if !ENABLE_FEATURE_CHECK_UNICODE_IN_ENV
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# define unicode_status UNICODE_ON
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# define init_unicode() ((void)0)
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# else
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extern uint8_t unicode_status;
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void init_unicode(void) FAST_FUNC;
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# endif
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# undef MB_CUR_MAX
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# define MB_CUR_MAX 6
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/* Prevent name collisions */
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# define wint_t bb_wint_t
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# define mbstate_t bb_mbstate_t
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# define mbstowcs bb_mbstowcs
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# define wcstombs bb_wcstombs
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# define wcrtomb bb_wcrtomb
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# define iswspace bb_iswspace
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# define iswalnum bb_iswalnum
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# define iswpunct bb_iswpunct
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# define wcwidth bb_wcwidth
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typedef int32_t wint_t;
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typedef struct {
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char bogus;
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} mbstate_t;
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size_t mbstowcs(wchar_t *dest, const char *src, size_t n) FAST_FUNC;
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size_t wcstombs(char *dest, const wchar_t *src, size_t n) FAST_FUNC;
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size_t wcrtomb(char *s, wchar_t wc, mbstate_t *ps) FAST_FUNC;
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int iswspace(wint_t wc) FAST_FUNC;
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int iswalnum(wint_t wc) FAST_FUNC;
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int iswpunct(wint_t wc) FAST_FUNC;
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# endif /* !LOCALE_SUPPORT */
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#endif /* FEATURE_ASSUME_UNICODE */
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#endif
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