iPXE
basename.c
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00001 /*
00002  * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License as
00006  * published by the Free Software Foundation; either version 2 of the
00007  * License, or any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017  * 02110-1301, USA.
00018  *
00019  * You can also choose to distribute this program under the terms of
00020  * the Unmodified Binary Distribution Licence (as given in the file
00021  * COPYING.UBDL), provided that you have satisfied its requirements.
00022  */
00023 
00024 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
00025 
00026 /**
00027  * @file
00028  *
00029  * Get base name of path
00030  *
00031  */
00032 
00033 #include <string.h>
00034 #include <libgen.h>
00035 
00036 /**
00037  * Return base name from path
00038  *
00039  * @v path              Full path
00040  * @ret basename        Base name
00041  */
00042 char * basename ( char *path ) {
00043         char *basename;
00044 
00045         basename = strrchr ( path, '/' );
00046         return ( basename ? ( basename + 1 ) : path );
00047 }
00048 
00049 /**
00050  * Return directory name from path
00051  *
00052  * @v path              Full path
00053  * @ret dirname         Directory name
00054  *
00055  * Note that this function may modify its argument.
00056  */
00057 char * dirname ( char *path ) {
00058         char *separator;
00059 
00060         separator = strrchr ( path, '/' );
00061         if ( separator == path ) {
00062                 return "/";
00063         } else if ( separator ) {
00064                 *separator = 0;
00065                 return path;
00066         } else {
00067                 return ".";
00068         }
00069 }