Retro68/gcc/newlib/libc/string/wcsxfrm_l.c
2017-10-07 02:16:47 +02:00

48 lines
1.3 KiB
C

/*
FUNCTION
<<wcsxfrm_l>>---locale-specific wide-character string transformation
INDEX
wcsxfrm_l
ANSI_SYNOPSIS
#include <wchar.h>
int wcsxfrm_l(wchar_t *__restrict <[stra]>,
const wchar_t *__restrict <[strb]>, size_t <[n]>,
locale_t <[locale]>);
DESCRIPTION
<<wcsxfrm_l>> transforms the wide-character string pointed to by
<[strb]> to the wide-character string pointed to by <[stra]>,
Comparing two transformed wide strings with <<wcscmp>> should return
the same result as comparing the original strings with <<wcscoll>>.
No more than <[n]> wide characters are transformed, including the
trailing null character.
If <[n]> is 0, <[stra]> may be a NULL pointer.
If <[locale]> is LC_GLOBAL_LOCALE or not a valid locale object, the
behaviour is undefined.
(NOT Cygwin:) The current implementation of <<wcsxfrm_l>> simply uses
<<wcslcpy>> and does not support any language-specific transformations.
RETURNS
<<wcsxfrm_l>> returns the length of the transformed wide character
string. if the return value is greater or equal to <[n]>, the
content of <[stra]> is undefined.
PORTABILITY
<<wcsxfrm_l>> is POSIX-1.2008.
*/
#include <_ansi.h>
#include <wchar.h>
size_t
wcsxfrm_l (wchar_t *__restrict a, const wchar_t *__restrict b, size_t n,
struct __locale_t *locale)
{
return wcslcpy (a, b, n);
}