view lib/memcmp2.c @ 13761:a19ace3ba849

Avoid line length limitation from HP NonStop system header files. * m4/include_next.m4 (gl_INCLUDE_NEXT): Define also PRAGMA_COLUMNS. * lib/arpa_inet.in.h: Use PRAGMA_COLUMNS. * lib/ctype.in.h: Likewise. * lib/dirent.in.h: Likewise. * lib/errno.in.h: Likewise. * lib/fcntl.in.h: Likewise. * lib/float.in.h: Likewise. * lib/getopt.in.h: Likewise. * lib/iconv.in.h: Likewise. * lib/inttypes.in.h: Likewise. * lib/langinfo.in.h: Likewise. * lib/locale.in.h: Likewise. * lib/math.in.h: Likewise. * lib/netdb.in.h: Likewise. * lib/netinet_in.in.h: Likewise. * lib/poll.in.h: Likewise. * lib/pthread.in.h: Likewise. * lib/pty.in.h: Likewise. * lib/sched.in.h: Likewise. * lib/se-selinux.in.h: Likewise. * lib/search.in.h: Likewise. * lib/signal.in.h: Likewise. * lib/spawn.in.h: Likewise. * lib/stdarg.in.h: Likewise. * lib/stddef.in.h: Likewise. * lib/stdint.in.h: Likewise. * lib/stdio.in.h: Likewise. * lib/stdlib.in.h: Likewise. * lib/string.in.h: Likewise. * lib/strings.in.h: Likewise. * lib/sys_file.in.h: Likewise. * lib/sys_ioctl.in.h: Likewise. * lib/sys_select.in.h: Likewise. * lib/sys_socket.in.h: Likewise. * lib/sys_stat.in.h: Likewise. * lib/sys_time.in.h: Likewise. * lib/sys_times.in.h: Likewise. * lib/sys_utsname.in.h: Likewise. * lib/sys_wait.in.h: Likewise. * lib/sysexits.in.h: Likewise. * lib/termios.in.h: Likewise. * lib/time.in.h: Likewise. * lib/unistd.in.h: Likewise. * lib/wchar.in.h: Likewise. * lib/wctype.in.h: Likewise. * modules/arpa_inet (Makefile.am): Substitute PRAGMA_COLUMNS. * modules/ctype (Makefile.am): Likewise. * modules/dirent (Makefile.am): Likewise. * modules/errno (Makefile.am): Likewise. * modules/fcntl-h (Makefile.am): Likewise. * modules/float (Makefile.am): Likewise. * modules/getopt-posix (Makefile.am): Likewise. * modules/iconv-h (Makefile.am): Likewise. * modules/inttypes (Makefile.am): Likewise. * modules/langinfo (Makefile.am): Likewise. * modules/locale (Makefile.am): Likewise. * modules/math (Makefile.am): Likewise. * modules/netdb (Makefile.am): Likewise. * modules/netinet_in (Makefile.am): Likewise. * modules/poll-h (Makefile.am): Likewise. * modules/pthread (Makefile.am): Likewise. * modules/pty (Makefile.am): Likewise. * modules/sched (Makefile.am): Likewise. * modules/search (Makefile.am): Likewise. * modules/selinux-h (Makefile.am): Likewise. * modules/signal (Makefile.am): Likewise. * modules/spawn (Makefile.am): Likewise. * modules/stdarg (Makefile.am): Likewise. * modules/stddef (Makefile.am): Likewise. * modules/stdint (Makefile.am): Likewise. * modules/stdio (Makefile.am): Likewise. * modules/stdlib (Makefile.am): Likewise. * modules/string (Makefile.am): Likewise. * modules/strings (Makefile.am): Likewise. * modules/sys_file (Makefile.am): Likewise. * modules/sys_ioctl (Makefile.am): Likewise. * modules/sys_select (Makefile.am): Likewise. * modules/sys_socket (Makefile.am): Likewise. * modules/sys_stat (Makefile.am): Likewise. * modules/sys_time (Makefile.am): Likewise. * modules/sys_times (Makefile.am): Likewise. * modules/sys_utsname (Makefile.am): Likewise. * modules/sys_wait (Makefile.am): Likewise. * modules/sysexits (Makefile.am): Likewise. * modules/termios (Makefile.am): Likewise. * modules/time (Makefile.am): Likewise. * modules/unistd (Makefile.am): Likewise. * modules/wchar (Makefile.am): Likewise. * modules/wctype (Makefile.am): Likewise.
author Bruno Haible <bruno@clisp.org>
date Mon, 04 Oct 2010 23:35:51 +0200
parents c2cbabec01dd
children 97fc9a21a8fb
line wrap: on
line source

/* Compare two memory areas with possibly different lengths.
   Copyright (C) 2009, 2010 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation; either version 3 of the License, 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#include <config.h>

/* Specification.  */
#include "memcmp2.h"

#include <string.h>

int
memcmp2 (const char *s1, size_t n1, const char *s2, size_t n2)
{
  int cmp = memcmp (s1, s2, n1 <= n2 ? n1 : n2);
  if (cmp == 0)
    {
      if (n1 < n2)
        cmp = -1;
      else if (n1 > n2)
        cmp = 1;
    }
  return cmp;
}