kmx git

/* Search character in UTF-32 string.
   Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc.
   Written by Bruno Haible <bruno@clisp.org>, 2002.

   This program is free software; you can redistribute it and/or modify it
   under the terms of the GNU Library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library 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 "unistr.h"

uint32_t *
u32_strrchr (const uint32_t *s, ucs4_t uc)
{
  /* Calling u32_strlen and then searching from the other end would cause more
     memory accesses. Avoid that, at the cost of a few more comparisons.  */
  uint32_t *result = NULL;

  for (;; s++)
    {
      if (*s == uc)
	result = (uint32_t *) s;
      if (*s == 0)
	break;
    }
  return result;
}
kc3-lang/gnulib/lib/unistr/u32-strrchr.c

Commit

lib/unistr/u32-strrchr.c
