ack/lang/cem/libcc.ansi/core/stdlib/wcstombs.c
David Given d1cdb07719 Realise that the libc core can safely call other libc core functions, even if
they're not defined in the core: so putw() can call stdio stuff, for example.
So the earlier concept of pureness isn't necessary. Rename accordingly.
2018-06-21 23:24:23 +02:00

23 lines
415 B
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Id$ */
#include <stdlib.h>
#include <locale.h>
#include <limits.h>
size_t
wcstombs(register char* s, register const wchar_t* pwcs, size_t n)
{
register int i = n;
while (--i >= 0)
{
if (!(*s++ = *pwcs++))
break;
}
return n - i - 1;
}