From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/generic/strcmp.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 sysdeps/generic/strcmp.c (limited to 'sysdeps/generic/strcmp.c') diff --git a/sysdeps/generic/strcmp.c b/sysdeps/generic/strcmp.c new file mode 100644 index 0000000000..ec0c1e6b00 --- /dev/null +++ b/sysdeps/generic/strcmp.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1991 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include + +/* Compare S1 and S2, returning less than, equal to or + greater than zero if S1 is lexiographically less than, + equal to or greater than S2. */ +int +DEFUN(strcmp, (p1, p2), CONST char *p1 AND 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; +} -- cgit v1.2.3