mdw@git.distorted.org.uk Git - disorder/blob - lib/filepart.c

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2005 Richard Kettlewell
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  18  * USA
  19  */
  20
  21 #include <config.h>
  22 #include "types.h"
  23
  24 #include <string.h>
  25
  26 #include "filepart.h"
  27 #include "mem.h"
  28
  29 char *d_dirname(const char *path) {
  30   const char *s;
  31
  32   if((s = strrchr(path, '/'))) {
  33     if(s == path)
  34       return xstrdup("/");
  35     else
  36       return xstrndup(path, s - path);
  37   } else
  38     return xstrdup(".");
  39 }
  40
  41 static const char *find_extension(const char *path) {
  42   const char *q = path + strlen(path);
  43
  44   while(q > path && strchr("abcdefghijklmnopqrstuvwxyz"
  45                         "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
  46                         "0123456789", *q))
  47     --q;
  48   return *q == '.' ? q : 0;
  49 }
  50
  51 const char *strip_extension(const char *path) {
  52   const char *q = find_extension(path);
  53
  54   return q ? xstrndup(path, q - path) : path;
  55 }
  56
  57 const char *extension(const char *path) {
  58   const char *q = find_extension(path);
  59
  60   return q ? q : "";
  61 }
  62
  63 /*
  64 Local Variables:
  65 c-basic-offset:2
  66 comment-column:40
  67 fill-column:79
  68 indent-tabs-mode:nil
  69 End:
  70 */