diff options
Diffstat (limited to 'libc/string/memmove.c')
| -rw-r--r-- | libc/string/memmove.c | 53 | 
1 files changed, 48 insertions, 5 deletions
diff --git a/libc/string/memmove.c b/libc/string/memmove.c index 0626ce1f5..9e50cf5a9 100644 --- a/libc/string/memmove.c +++ b/libc/string/memmove.c @@ -1,14 +1,57 @@  /* + * Copyright (C) 2002     Manuel Novoa III   * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>   *   * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.   */ -#define L_memmove -#define Wmemmove __memmove +#include "_string.h" -#include "wstring.c" +#ifdef WANT_WIDE +# define __Wmemmove __wmemmove +# define Wmemmove wmemmove +#else +# define __Wmemmove __memmove +# define Wmemmove memmove +#endif -strong_alias(__memmove, memmove) +Wvoid attribute_hidden *__Wmemmove(Wvoid *s1, const Wvoid *s2, size_t n) +{ +#ifdef __BCC__ +	register Wchar *s = (Wchar *) s1; +	register const Wchar *p = (const Wchar *) s2; -#undef L_memmove +	if (p >= s) { +		while (n--) { +			*s++ = *p++; +		} +	} else { +		s += n; +		p += n; +		while (n--) { +			*--s = *--p; +		} +	} + +	return s1; +#else +	register Wchar *s = (Wchar *) s1; +	register const Wchar *p = (const Wchar *) s2; + +	if (p >= s) { +		while (n) { +			*s++ = *p++; +			--n; +		} +	} else { +		while (n) { +			--n; +			s[n] = p[n]; +		} +	} + +	return s1; +#endif +} + +strong_alias(__Wmemmove,Wmemmove)  | 
