From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- string/strcmp.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 string/strcmp.c (limited to 'string/strcmp.c') diff --git a/string/strcmp.c b/string/strcmp.c new file mode 100644 index 0000000000..bd53c05c6e --- /dev/null +++ b/string/strcmp.c @@ -0,0 +1,47 @@ +/* Copyright (C) 1991, 1996, 1997, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include + +#undef strcmp + +/* Compare S1 and S2, returning less than, equal to or + greater than zero if S1 is lexicographically less than, + equal to or greater than S2. */ +int +strcmp (p1, p2) + const char *p1; + const char *p2; +{ + register const unsigned char *s1 = (const unsigned char *) p1; + register const unsigned char *s2 = (const unsigned char *) p2; + unsigned reg_char c1, c2; + + do + { + c1 = (unsigned char) *s1++; + c2 = (unsigned char) *s2++; + if (c1 == '\0') + return c1 - c2; + } + while (c1 == c2); + + return c1 - c2; +} +libc_hidden_builtin_def (strcmp) -- cgit 1.4.1