mirror of
https://git.savannah.gnu.org/git/bison.git
synced 2026-03-09 12:23:04 +00:00
Playing with Autoscan.
* m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New. * lib/Makefile.am (libbison_a_SOURCES): No longer include argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd. * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the Coreutils 4.5.1.
This commit is contained in:
66
lib/strcasecmp.c
Normal file
66
lib/strcasecmp.c
Normal file
@@ -0,0 +1,66 @@
|
||||
/* strcasecmp.c -- case insensitive string comparator
|
||||
Copyright (C) 1998, 1999 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 <config.h>
|
||||
#endif
|
||||
|
||||
#ifdef LENGTH_LIMIT
|
||||
# define STRXCASECMP_FUNCTION strncasecmp
|
||||
# define STRXCASECMP_DECLARE_N , size_t n
|
||||
# define LENGTH_LIMIT_EXPR(Expr) Expr
|
||||
#else
|
||||
# define STRXCASECMP_FUNCTION strcasecmp
|
||||
# define STRXCASECMP_DECLARE_N /* empty */
|
||||
# define LENGTH_LIMIT_EXPR(Expr) 0
|
||||
#endif
|
||||
|
||||
#include <sys/types.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. */
|
||||
|
||||
int
|
||||
STRXCASECMP_FUNCTION (const char *s1, const char *s2 STRXCASECMP_DECLARE_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 || LENGTH_LIMIT_EXPR (n == 0))
|
||||
return 0;
|
||||
|
||||
do
|
||||
{
|
||||
c1 = TOLOWER (*p1);
|
||||
c2 = TOLOWER (*p2);
|
||||
|
||||
if (LENGTH_LIMIT_EXPR (--n == 0) || c1 == '\0')
|
||||
break;
|
||||
|
||||
++p1;
|
||||
++p2;
|
||||
}
|
||||
while (c1 == c2);
|
||||
|
||||
return c1 - c2;
|
||||
}
|
||||
Reference in New Issue
Block a user