/*
# find-suffix.c: return the stuff after a dot.
#
# Copyright (C) 1992, 1993, 2011 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 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/>.
#
*/



#include "config.h"

#include "c-pathch.h"


/* Return pointer to first character after `.' in last directory element
   of NAME.  If the name is `foo' or `/foo.bar/baz', we have no extension.  */

string
find_suffix P1C(const_string, name)
{
  const_string slash_pos;
  string dot_pos = strrchr (name, '.');
  
  if (dot_pos == NULL)
    return NULL;
  
  for (slash_pos = name + strlen (name);
       slash_pos > dot_pos && !((*slash_pos) == '/' || (*slash_pos) == '\\');
       slash_pos--);
  
  return slash_pos > dot_pos ? NULL : dot_pos + 1;
}