diff options
Diffstat (limited to 'libc/string/memcmp.c')
| -rw-r--r-- | libc/string/memcmp.c | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/libc/string/memcmp.c b/libc/string/memcmp.c index 5963dd174..9808b3785 100644 --- a/libc/string/memcmp.c +++ b/libc/string/memcmp.c @@ -1,16 +1,43 @@ /* + * 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_memcmp -#define Wmemcmp __memcmp +#include "_string.h" -#include "wstring.c" +#ifdef WANT_WIDE +# define __Wmemcmp __wmemcmp +# define Wmemcmp wmemcmp +#else +# define __Wmemcmp __memcmp +# define Wmemcmp memcmp +#endif -strong_alias(__memcmp, memcmp) +int attribute_hidden __Wmemcmp(const Wvoid *s1, const Wvoid *s2, size_t n) +{ + register const Wuchar *r1 = (const Wuchar *) s1; + register const Wuchar *r2 = (const Wuchar *) s2; -weak_alias(memcmp, bcmp) +#ifdef WANT_WIDE + while (n && (*r1 == *r2)) { + ++r1; + ++r2; + --n; + } -#undef L_memcmp + return (n == 0) ? 0 : ((*r1 < *r2) ? -1 : 1); +#else + int r = 0; + + while (n-- && ((r = ((int)(*r1++)) - *r2++) == 0)); + + return r; +#endif +} + +strong_alias(__Wmemcmp,Wmemcmp) +#ifndef WANT_WIDE +strong_alias(__memcmp,bcmp) +#endif |