1 /* Copyright (c) 2007 Corinna Vinschen <corinna@vinschen.de> */
2 /*
3 FUNCTION
4 <<wcpcpy>>---copy a wide-character string returning a pointer to its end
5
6 SYNOPSIS
7 #include <wchar.h>
8 wchar_t *wcpcpy(wchar_t *<[s1]>, const wchar_t *<[s2]>);
9
10 DESCRIPTION
11 The <<wcpcpy>> function copies the wide-character string pointed to by
12 <[s2]> (including the terminating null wide-character code) into the
13 array pointed to by <[s1]>. If copying takes place between objects that
14 overlap, the behaviour is undefined.
15
16 RETURNS
17 This function returns a pointer to the end of the destination string,
18 thus pointing to the trailing '\0'.
19
20 PORTABILITY
21 <<wcpcpy>> is a GNU extension.
22
23 No supporting OS subroutines are required.
24 */
25
26 #include <_ansi.h>
27 #include <wchar.h>
28
29 wchar_t *
wcpcpy(wchar_t * __restrict s1,const wchar_t * __restrict s2)30 wcpcpy (wchar_t *__restrict s1,
31 const wchar_t *__restrict s2)
32 {
33 while ((*s1++ = *s2++))
34 ;
35 return --s1;
36 }
37
