diff options
Diffstat (limited to 'gl/strncasecmp.c')
-rw-r--r-- | gl/strncasecmp.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/gl/strncasecmp.c b/gl/strncasecmp.c deleted file mode 100644 index f59b953a..00000000 --- a/gl/strncasecmp.c +++ /dev/null @@ -1,63 +0,0 @@ -/* strncasecmp.c -- case insensitive string comparator - Copyright (C) 1998-1999, 2005-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ - -#include <config.h> - -/* Specification. */ -#include "strcase.h" - -#include <ctype.h> -#include <limits.h> - -#define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) - -/* Compare no more than N bytes 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. */ - -int -strncasecmp (const char *s1, const char *s2, size_t n) -{ - register const unsigned char *p1 = (const unsigned char *) s1; - register const unsigned char *p2 = (const unsigned char *) s2; - unsigned char c1, c2; - - if (p1 == p2 || n == 0) - return 0; - - do - { - c1 = TOLOWER (*p1); - c2 = TOLOWER (*p2); - - if (--n == 0 || c1 == '\0') - break; - - ++p1; - ++p2; - } - while (c1 == c2); - - if (UCHAR_MAX <= INT_MAX) - return c1 - c2; - else - /* On machines where 'char' and 'int' are types of the same size, the - difference of two 'unsigned char' values - including the sign bit - - doesn't fit in an 'int'. */ - return (c1 > c2 ? 1 : c1 < c2 ? -1 : 0); -} |