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lib/libc/locale/wcsnrtombs.c
| /*- | /*- | ||||
| * Copyright 2013 Garrett D'Amore <garrett@damore.org> | |||||
| * Copyright 2010 Nexenta Systems, Inc. All rights reserved. | |||||
| * Copyright (c) 2002-2004 Tim J. Robbins. | * Copyright (c) 2002-2004 Tim J. Robbins. | ||||
| * All rights reserved. | * All rights reserved. | ||||
| * | * | ||||
| * Copyright (c) 2011 The FreeBSD Foundation | * Copyright (c) 2011 The FreeBSD Foundation | ||||
| * All rights reserved. | * All rights reserved. | ||||
| * Portions of this software were developed by David Chisnall | * Portions of this software were developed by David Chisnall | ||||
| * under sponsorship from the FreeBSD Foundation. | * under sponsorship from the FreeBSD Foundation. | ||||
| * | * | ||||
| ▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Lines | wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src, size_t nwc, | ||||
| size_t len, mbstate_t * __restrict ps) | size_t len, mbstate_t * __restrict ps) | ||||
| { | { | ||||
| return wcsnrtombs_l(dst, src, nwc, len, ps, __get_locale()); | return wcsnrtombs_l(dst, src, nwc, len, ps, __get_locale()); | ||||
| } | } | ||||
| size_t | size_t | ||||
| __wcsnrtombs_std(char * __restrict dst, const wchar_t ** __restrict src, | __wcsnrtombs_std(char * __restrict dst, const wchar_t ** __restrict src, | ||||
| size_t nwc, size_t len, mbstate_t * __restrict ps) | size_t nwc, size_t len, mbstate_t * __restrict ps, | ||||
| wcrtomb_pfn_t pwcrtomb) | |||||
| { | { | ||||
| mbstate_t mbsbak; | mbstate_t mbsbak; | ||||
| char buf[MB_LEN_MAX]; | char buf[MB_LEN_MAX]; | ||||
| const wchar_t *s; | const wchar_t *s; | ||||
| size_t nbytes; | size_t nbytes; | ||||
| size_t nb; | size_t nb; | ||||
| struct xlocale_ctype *l = XLOCALE_CTYPE(__get_locale()); | |||||
| s = *src; | s = *src; | ||||
| nbytes = 0; | nbytes = 0; | ||||
| if (dst == NULL) { | if (dst == NULL) { | ||||
| while (nwc-- > 0) { | while (nwc-- > 0) { | ||||
| if ((nb = l->__wcrtomb(buf, *s, ps)) == (size_t)-1) | if ((nb = pwcrtomb(buf, *s, ps)) == (size_t)-1) | ||||
| /* Invalid character - wcrtomb() sets errno. */ | /* Invalid character - wcrtomb() sets errno. */ | ||||
| return ((size_t)-1); | return ((size_t)-1); | ||||
| else if (*s == L'\0') | else if (*s == L'\0') | ||||
| return (nbytes + nb - 1); | return (nbytes + nb - 1); | ||||
| s++; | s++; | ||||
| nbytes += nb; | nbytes += nb; | ||||
| } | } | ||||
| return (nbytes); | return (nbytes); | ||||
| } | } | ||||
| while (len > 0 && nwc-- > 0) { | while (len > 0 && nwc-- > 0) { | ||||
| if (len > (size_t)MB_CUR_MAX) { | if (len > (size_t)MB_CUR_MAX) { | ||||
| /* Enough space to translate in-place. */ | /* Enough space to translate in-place. */ | ||||
| if ((nb = l->__wcrtomb(dst, *s, ps)) == (size_t)-1) { | if ((nb = pwcrtomb(dst, *s, ps)) == (size_t)-1) { | ||||
| *src = s; | *src = s; | ||||
| return ((size_t)-1); | return ((size_t)-1); | ||||
| } | } | ||||
| } else { | } else { | ||||
| /* | /* | ||||
| * May not be enough space; use temp. buffer. | * May not be enough space; use temp. buffer. | ||||
| * | * | ||||
| * We need to save a copy of the conversion state | * We need to save a copy of the conversion state | ||||
| * here so we can restore it if the multibyte | * here so we can restore it if the multibyte | ||||
| * character is too long for the buffer. | * character is too long for the buffer. | ||||
| */ | */ | ||||
| mbsbak = *ps; | mbsbak = *ps; | ||||
| if ((nb = l->__wcrtomb(buf, *s, ps)) == (size_t)-1) { | if ((nb = pwcrtomb(buf, *s, ps)) == (size_t)-1) { | ||||
| *src = s; | *src = s; | ||||
| return ((size_t)-1); | return ((size_t)-1); | ||||
| } | } | ||||
| if (nb > (int)len) { | if (nb > (int)len) { | ||||
| /* MB sequence for character won't fit. */ | /* MB sequence for character won't fit. */ | ||||
| *ps = mbsbak; | *ps = mbsbak; | ||||
| break; | break; | ||||
| } | } | ||||
| Show All 14 Lines | |||||