view lib/wcsncasecmp-impl.h @ 17101:99fa3b05f1c8

pipe-filter-gi, pipe-filter-ii: better use of 'inline' * lib/pipe-filter-aux.c: New file. * lib/pipe-filter-aux.h (PIPE_FILTER_AUX_INLINE): New macro. Replace all uses of 'static inline' with it. Use _GL_INLINE_HEADER_BEGIN, _GL_INLINE_HEADER_END. * lib/pipe-filter-gi.c (filter_init, filter_cleanup) (filter_retcode): No real need for inline here. * modules/pipe-filter-gi, modules/pipe-filter-ii: (Files): Add lib/pipe-filter-aux.c. (Depends-on): Add extern-inline. (configure.ac): Do not require AC_C_INLINE. (lib_SOURCES): Add pipe-filter-aux.c.
author Paul Eggert <eggert@cs.ucla.edu>
date Wed, 29 Aug 2012 22:17:49 -0700 (2012-08-30)
parents 8250f2777afc
children e542fd46ad6f
line wrap: on
line source
/* Compare two wide strings ignoring case.
   Copyright (C) 1999, 2011-2012 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2011.

   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 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 General Public License for more details.

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

int
wcsncasecmp (const wchar_t *s1, const wchar_t *s2, size_t n)
{
  for (; n > 0;)
    {
      wchar_t wc1 = towlower (*s1++);
      wchar_t wc2 = towlower (*s2++);
      if (wc1 != (wchar_t)'\0' && wc1 == wc2)
        {
          n--;
          continue;
        }
      /* Note that wc1 and wc2 each have at most 31 bits.  */
      return (int)wc1 - (int)wc2;
             /* > 0 if wc1 > wc2, < 0 if wc1 < wc2,
                = 0 if wc1 and wc2 are both '\0'.  */
    }
  return 0;
}