src/core/basename.c

   1 /*
   2  * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 /**
  20  * @file
  21  *
  22  * Get base name of path
  23  *
  24  */
  25
  26 #include <string.h>
  27 #include <libgen.h>
  28
  29 /**
  30  * Return base name from path
  31  *
  32  * @v path              Full path
  33  * @ret basename        Base name
  34  */
  35 char * basename ( char *path ) {
  36         char *basename;
  37
  38         basename = strrchr ( path, '/' );
  39         return ( basename ? ( basename + 1 ) : path );
  40 }
  41
  42 /**
  43  * Return directory name from path
  44  *
  45  * @v path              Full path
  46  * @ret dirname         Directory name
  47  *
  48  * Note that this function may modify its argument.
  49  */
  50 char * dirname ( char *path ) {
  51         char *separator;
  52
  53         separator = strrchr ( path, '/' );
  54         if ( separator == path ) {
  55                 return "/";
  56         } else if ( separator ) {
  57                 *separator = 0;
  58                 return path;
  59         } else {
  60                 return ".";
  61         }
  62 }