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 FILE_LICENCE ( GPL2_OR_LATER );
  20
  21 /**
  22  * @file
  23  *
  24  * Get base name of path
  25  *
  26  */
  27
  28 #include <string.h>
  29 #include <libgen.h>
  30
  31 /**
  32  * Return base name from path
  33  *
  34  * @v path              Full path
  35  * @ret basename        Base name
  36  */
  37 char * basename ( char *path ) {
  38         char *basename;
  39
  40         basename = strrchr ( path, '/' );
  41         return ( basename ? ( basename + 1 ) : path );
  42 }
  43
  44 /**
  45  * Return directory name from path
  46  *
  47  * @v path              Full path
  48  * @ret dirname         Directory name
  49  *
  50  * Note that this function may modify its argument.
  51  */
  52 char * dirname ( char *path ) {
  53         char *separator;
  54
  55         separator = strrchr ( path, '/' );
  56         if ( separator == path ) {
  57                 return "/";
  58         } else if ( separator ) {
  59                 *separator = 0;
  60                 return path;
  61         } else {
  62                 return ".";
  63         }
  64 }