X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/9385eb3d10ebe5eb398c52040ec3dbfba9b0cdcf..2be56ee90c5c5bee77895b8787a43e894249002b:/locale/FreeBSD/mbsrtowcs.3 diff --git a/locale/FreeBSD/mbsrtowcs.3 b/locale/FreeBSD/mbsrtowcs.3 index 661366a..ff6e699 100644 --- a/locale/FreeBSD/mbsrtowcs.3 +++ b/locale/FreeBSD/mbsrtowcs.3 @@ -1,4 +1,4 @@ -.\" Copyright (c) 2002 Tim J. Robbins +.\" Copyright (c) 2002-2004 Tim J. Robbins .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -22,28 +22,60 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $FreeBSD: src/lib/libc/locale/mbsrtowcs.3,v 1.3 2002/11/29 17:35:09 ru Exp $ -.Dd August 16, 2002 +.\" $FreeBSD: src/lib/libc/locale/mbsrtowcs.3,v 1.6 2005/01/11 20:50:49 ru Exp $ +.Dd July 21, 2004 .Dt MBSRTOWCS 3 .Os .Sh NAME -.Nm mbsrtowcs +.Nm mbsnrtowcs , +.Nm mbsnrtowcs_l , +.Nm mbsrtowcs , +.Nm mbsrtowcs_l .Nd "convert a character string to a wide-character string (restartable)" .Sh LIBRARY .Lb libc .Sh SYNOPSIS .In wchar.h .Ft size_t +.Fo mbsnrtowcs +.Fa "wchar_t *restrict dst" +.Fa "const char **restrict src" +.Fa "size_t nms" +.Fa "size_t len" +.Fa "mbstate_t *restrict ps" +.Fc +.Ft size_t .Fo mbsrtowcs -.Fa "wchar_t * restrict dst" "const char ** restrict src" "size_t len" -.Fa "mbstate_t * restrict ps" +.Fa "wchar_t *restrict dst" +.Fa "const char **restrict src" +.Fa "size_t len" +.Fa "mbstate_t *restrict ps" +.Fc +.In wchar.h +.In xlocale.h +.Ft size_t +.Fo mbsrtowcs_l +.Fa "wchar_t *restrict dst" +.Fa "const char **restrict src" +.Fa "size_t len" +.Fa "mbstate_t *restrict ps" +.Fa "locale_t loc" +.Fc +.Ft size_t +.Fo mbsnrtowcs_l +.Fa "wchar_t *restrict dst" +.Fa "const char **restrict src" +.Fa "size_t nms" +.Fa "size_t len" +.Fa "mbstate_t *restrict ps" +.Fa "locale_t loc" .Fc .Sh DESCRIPTION The .Fn mbsrtowcs -function converts a sequence of multibyte characters pointed to indirectly by -.Fa src -into a sequence of corresponding wide characters and stores at most +function converts a sequence of multibyte characters, pointed to indirectly by +.Fa src , +into a sequence of corresponding wide characters. It stores at most .Fa len of them in the .Vt wchar_t @@ -80,11 +112,35 @@ If it is .Fn mbsrtowcs uses an internal, static .Vt mbstate_t -object. +object, which is initialized to the initial conversion state +at program startup. +.Pp +The +.Fn mbsnrtowcs +function behaves identically to +.Fn mbsrtowcs , +except that conversion stops after reading at most +.Fa nms +bytes from the buffer pointed to by +.Fa src . +.Pp +While the +.Fn mbsrtowcs +and +.Fn mbsnrtowcs +functions use the current locale, the +.Fn mbsrtowcs_l +and +.Fn mbsnrtowcs_l +functions may be passed locales directly. See +.Xr xlocale 3 +for more information. .Sh RETURN VALUES The .Fn mbsrtowcs -function returns the number of wide characters stored in +and +.Fn mbsnrtowcs +functions return the number of wide characters stored in the array pointed to by .Fa dst if successful, otherwise it returns @@ -92,19 +148,27 @@ if successful, otherwise it returns .Sh ERRORS The .Fn mbsrtowcs -function will fail if: +and +.Fn mbsnrtowcs +functions will fail if: .Bl -tag -width Er .It Bq Er EILSEQ An invalid multibyte character sequence was encountered. +.It Bq Er EINVAL +The conversion state is invalid. .El .Sh SEE ALSO .Xr mbrtowc 3 , .Xr mbstowcs 3 , -.Xr wcsrtombs 3 +.Xr multibyte 3 , +.Xr wcsrtombs 3 , +.Xr xlocale 3 .Sh STANDARDS The .Fn mbsrtowcs function conforms to .St -isoC-99 . -.Sh BUGS -The current implementation does not support shift states. +.Pp +The +.Fn mbsnrtowcs +function is an extension to the standard.