mirror of
https://github.com/topjohnwu/ndk-busybox.git
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130 lines
3.6 KiB
C
130 lines
3.6 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Licensed under GPLv2, see file LICENSE in this source tree.
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*/
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#ifndef UNICODE_H
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#define UNICODE_H 1
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#if ENABLE_UNICODE_USING_LOCALE
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# include <wchar.h>
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# include <wctype.h>
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#endif
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PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
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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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#define unicode_bidi_isrtl(wc) 0
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#define unicode_bidi_is_neutral_wchar(wc) (wc <= 126 && !isalpha(wc))
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#if !ENABLE_UNICODE_SUPPORT
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# define unicode_strlen(string) strlen(string)
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# define unicode_strwidth(string) strlen(string)
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# define unicode_status UNICODE_OFF
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# define init_unicode() ((void)0)
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# define reinit_unicode(LANG) ((void)0)
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#else
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# if CONFIG_LAST_SUPPORTED_WCHAR < 126 || CONFIG_LAST_SUPPORTED_WCHAR >= 0x30000
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# undef CONFIG_LAST_SUPPORTED_WCHAR
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# define CONFIG_LAST_SUPPORTED_WCHAR 0x2ffff
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# endif
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# if CONFIG_LAST_SUPPORTED_WCHAR < 0x300
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# undef ENABLE_UNICODE_COMBINING_WCHARS
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# define ENABLE_UNICODE_COMBINING_WCHARS 0
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# endif
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# if CONFIG_LAST_SUPPORTED_WCHAR < 0x1100
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# undef ENABLE_UNICODE_WIDE_WCHARS
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# define ENABLE_UNICODE_WIDE_WCHARS 0
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# endif
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# if CONFIG_LAST_SUPPORTED_WCHAR < 0x590
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# undef ENABLE_UNICODE_BIDI_SUPPORT
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# define ENABLE_UNICODE_BIDI_SUPPORT 0
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# endif
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/* Number of unicode chars. Falls back to strlen() on invalid unicode */
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size_t FAST_FUNC unicode_strlen(const char *string);
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/* Width on terminal */
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size_t FAST_FUNC unicode_strwidth(const char *string);
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enum {
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UNI_FLAG_PAD = (1 << 0),
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};
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//UNUSED: unsigned FAST_FUNC unicode_padding_to_width(unsigned width, const char *src);
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//UNUSED: char* FAST_FUNC unicode_conv_to_printable2(uni_stat_t *stats, const char *src, unsigned width, int flags);
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char* FAST_FUNC unicode_conv_to_printable(uni_stat_t *stats, const char *src);
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//UNUSED: char* FAST_FUNC unicode_conv_to_printable_maxwidth(uni_stat_t *stats, const char *src, unsigned maxwidth);
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char* FAST_FUNC unicode_conv_to_printable_fixedwidth(/*uni_stat_t *stats,*/ const char *src, unsigned width);
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# if ENABLE_UNICODE_USING_LOCALE
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extern uint8_t unicode_status;
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void init_unicode(void) FAST_FUNC;
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void reinit_unicode(const char *LANG) 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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# define reinit_unicode(LANG) ((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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void reinit_unicode(const char *LANG) 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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int wcwidth(unsigned ucs) FAST_FUNC;
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# if ENABLE_UNICODE_BIDI_SUPPORT
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# undef unicode_bidi_isrtl
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int unicode_bidi_isrtl(wint_t wc) FAST_FUNC;
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# if ENABLE_UNICODE_NEUTRAL_TABLE
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# undef unicode_bidi_is_neutral_wchar
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int unicode_bidi_is_neutral_wchar(wint_t wc) FAST_FUNC;
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# endif
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# endif
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# endif /* !UNICODE_USING_LOCALE */
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#endif /* UNICODE_SUPPORT */
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POP_SAVED_FUNCTION_VISIBILITY
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#endif
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