diff options
Diffstat (limited to 'wcsmbs/wcscpy.c')
| -rw-r--r-- | wcsmbs/wcscpy.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/wcsmbs/wcscpy.c b/wcsmbs/wcscpy.c index aeb8abb162..2e52a6c46f 100644 --- a/wcsmbs/wcscpy.c +++ b/wcsmbs/wcscpy.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. @@ -17,10 +17,8 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include <wchar.h> - -#define __need_ptrdiff_t #include <stddef.h> +#include <wchar.h> /* Copy SRC to DEST. */ @@ -29,16 +27,33 @@ wcscpy (dest, src) wchar_t *dest; const wchar_t *src; { - wchar_t *wcp = (wchar_t *) src; wint_t c; - const ptrdiff_t off = dest - src - 1; + wchar_t *wcp; - do + if (__alignof__ (wchar_t) >= sizeof (wchar_t)) + { + const ptrdiff_t off = dest - src - 1; + + wcp = (wchar_t *) src; + + do + { + c = *wcp++; + wcp[off] = c; + } + while (c != L'\0'); + } + else { - c = *wcp++; - wcp[off] = c; + wcp = dest; + + do + { + c = *src++; + *wcp++ = c; + } + while (c != L'\0'); } - while (c != L'\0'); return dest; } |