From 25a832363606f0a9f987f9242265a5e6e1259228 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Fri, 1 Jan 1999 07:08:54 +0000 Subject: [PATCH] . --- lib/strncasecmp.c | 26 ++++++++++++++++++++++---- 1 file changed, 22 insertions(+), 4 deletions(-) diff --git a/lib/strncasecmp.c b/lib/strncasecmp.c index 55c0f2ee3d..039be0dbbe 100644 --- a/lib/strncasecmp.c +++ b/lib/strncasecmp.c @@ -1,3 +1,19 @@ +/* Copyright (C) 1998 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + #if HAVE_CONFIG_H # include #endif @@ -7,7 +23,7 @@ #define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) -/* Compare no more than N characters of S1 and S2, +/* Compare no more than N characters of strings S1 and S2, ignoring case, returning less than, equal to or greater than zero if S1 is lexicographically less than, equal to or greater than S2. */ @@ -26,9 +42,11 @@ strncasecmp (const char *s1, const char *s2, size_t n) { c1 = TOLOWER (*p1++); c2 = TOLOWER (*p2++); - if (c1 == '\0' || c1 != c2) - return c1 - c2; - } while (--n > 0); + + if (--n == 0 || c1 == '\0') + break; + } + while (c1 == c2); return c1 - c2; } -- 2.30.2