diff options
Diffstat (limited to 'libc/string/memcmp.c')
-rw-r--r-- | libc/string/memcmp.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/libc/string/memcmp.c b/libc/string/memcmp.c deleted file mode 100644 index 8640954..0000000 --- a/libc/string/memcmp.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -#include <string.h> - -int memcmp(const void *s1, const void *s2, size_t n) -{ - const unsigned char* p1 = s1; - const unsigned char* end1 = p1 + n; - const unsigned char* p2 = s2; - int d = 0; - - for (;;) { - if (d || p1 >= end1) break; - d = (int)*p1++ - (int)*p2++; - - if (d || p1 >= end1) break; - d = (int)*p1++ - (int)*p2++; - - if (d || p1 >= end1) break; - d = (int)*p1++ - (int)*p2++; - - if (d || p1 >= end1) break; - d = (int)*p1++ - (int)*p2++; - } - return d; -} |