-/* Copyright (C) 1991-1992, 1995-1997, 2002 Free Software Foundation, Inc.
+/* strcasecmp.c -- case insensitive string comparator
+ Copyright (C) 1998, 1999 Free Software Foundation, Inc.
- NOTE: The canonical source of this file is maintained with the GNU C Library.
- Bugs can be reported to bug-glibc@gnu.org.
-
- 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 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
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. */
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#ifdef HAVE_CONFIG_H
+#if HAVE_CONFIG_H
# include <config.h>
#endif
-#include <ctype.h>
-#include <string.h>
-
-#ifndef weak_alias
-# define __strcasecmp strcasecmp
-# define TOLOWER(Ch) tolower (Ch)
+#ifdef LENGTH_LIMIT
+# define STRXCASECMP_FUNCTION strncasecmp
+# define STRXCASECMP_DECLARE_N , size_t n
+# define LENGTH_LIMIT_EXPR(Expr) Expr
#else
-# ifdef USE_IN_EXTENDED_LOCALE_MODEL
-# define __strcasecmp __strcasecmp_l
-# define TOLOWER(Ch) __tolower_l ((Ch), loc)
-# else
-# define TOLOWER(Ch) tolower (Ch)
-# endif
+# define STRXCASECMP_FUNCTION strcasecmp
+# define STRXCASECMP_DECLARE_N /* empty */
+# define LENGTH_LIMIT_EXPR(Expr) 0
#endif
-#ifdef USE_IN_EXTENDED_LOCALE_MODEL
-# define LOCALE_PARAM , __locale_t loc
-#else
-# define LOCALE_PARAM
-#endif
+#include <stddef.h>
+#include <ctype.h>
+
+#define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch))
+
+/* 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. */
-/* Compare 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
-__strcasecmp (const char *s1, const char *s2 LOCALE_PARAM)
+STRXCASECMP_FUNCTION (const char *s1, const char *s2 STRXCASECMP_DECLARE_N)
{
- const unsigned char *p1 = (const unsigned char *) s1;
- const unsigned char *p2 = (const unsigned char *) s2;
+ 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)
+ if (p1 == p2 || LENGTH_LIMIT_EXPR (n == 0))
return 0;
do
{
- c1 = TOLOWER (*p1++);
- c2 = TOLOWER (*p2++);
- if (c1 == '\0')
+ c1 = TOLOWER (*p1);
+ c2 = TOLOWER (*p2);
+
+ if (LENGTH_LIMIT_EXPR (--n == 0) || c1 == '\0')
break;
+
+ ++p1;
+ ++p2;
}
while (c1 == c2);
return c1 - c2;
}
-#ifndef __strcasecmp
-weak_alias (__strcasecmp, strcasecmp)
-#endif
-/* Compare at most N characters of two strings without taking care for
- the case.
- Copyright (C) 1992, 1996-1997, 2002 Free Software Foundation, Inc.
-
- NOTE: The canonical source of this file is maintained with the GNU C Library.
- Bugs can be reported to bug-glibc@gnu.org.
-
- 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. */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <string.h>
-#include <ctype.h>
-
-#ifndef weak_alias
-# define __strncasecmp strncasecmp
-# define TOLOWER(Ch) tolower (Ch)
-#else
-# ifdef USE_IN_EXTENDED_LOCALE_MODEL
-# define __strncasecmp __strncasecmp_l
-# define TOLOWER(Ch) __tolower_l ((Ch), loc)
-# else
-# define TOLOWER(Ch) tolower (Ch)
-# endif
-#endif
-
-#ifdef USE_IN_EXTENDED_LOCALE_MODEL
-# define LOCALE_PARAM , __locale_t loc
-#else
-# define LOCALE_PARAM
-#endif
-
-/* Compare no more than N characters of 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 LOCALE_PARAM)
-{
- const unsigned char *p1 = (const unsigned char *) s1;
- 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 (c1 == '\0' || c1 != c2)
- break;
- } while (--n > 0);
-
- return c1 - c2;
-}
-#ifndef __strncasecmp
-weak_alias (__strncasecmp, strncasecmp)
-#endif
+#define LENGTH_LIMIT
+#include "strcasecmp.c"