dmake/unix/dirbrk.c

   1 /* RCS  $Id: dirbrk.c,v 1.4 2007-10-15 15:52:59 ihi Exp $
   2 --
   3 -- SYNOPSIS
   4 --      Define the directory separator string.
   5 --
   6 -- DESCRIPTION
   7 --      Define this string for any character that may appear in a path name
   8 --      and can be used as a directory separator.  Also provide a function
   9 --      to indicate if a given path begins at the root of the file system.
  10 --
  11 -- AUTHOR
  12 --      Dennis Vadura, dvadura@dmake.wticorp.com
  13 --
  14 -- WWW
  15 --      http://dmake.wticorp.com/
  16 --
  17 -- COPYRIGHT
  18 --      Copyright (c) 1996,1997 by WTI Corp.  All rights reserved.
  19 --
  20 --      This program is NOT free software; you can redistribute it and/or
  21 --      modify it under the terms of the Software License Agreement Provided
  22 --      in the file <distribution-root>/readme/license.txt.
  23 --
  24 -- LOG
  25 --      Use cvs log to obtain detailed change logs.
  26 */
  27
  28 #include "extern.h"
  29
  30 #ifdef __EMX__
  31 /* os2 uses /, \, and : */
  32 /* FIXME: The OS/2 port most probably wants to use the HAVE_DRIVE_LETTERS
  33  * macro, see extern.h. */
  34 char*   DirBrkStr = "/\\:";
  35 #else
  36 /* Unix only uses / */
  37 char*   DirBrkStr = "/";
  38 #endif
  39
  40 /*
  41 ** Return TRUE if the name is the full specification of a path name to a file
  42 ** starting at the root of the file system, otherwise return FALSE
  43 */
  44 PUBLIC int
  45 If_root_path(name)
  46 char *name;
  47 {
  48    return( strchr(DirBrkStr, *name) != NIL(char)
  49 #ifdef HAVE_DRIVE_LETTERS
  50        || (*name && name[1] == ':' && isalpha(*name))
  51 #endif
  52        );
  53 }