---

cygpath.H

Go to the documentation of this file.

/*
 * Copyright 2000, Brown University, Providence, RI.
 * 
 *                         All Rights Reserved
 * 
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose other than its incorporation into a
 * commercial product is hereby granted without fee, provided that the
 * above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Brown University not be used in
 * advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission.
 * 
 * BROWN UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ANY
 * PARTICULAR PURPOSE.  IN NO EVENT SHALL BROWN UNIVERSITY BE LIABLE FOR
 * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "std/strings.H"


// this function changes occurances of /cygdrive/c/folder1/folder2/etc.. to
// c:/folder1/folder2/etc.. when running in Windows.  paths coming from 
// program arguments or environment variables will tend to take the
// /cygdrive/<drive-letter>/ form when running under cygwin, but file
// commands compiled with the MS Visual C++ compiler can't deal with paths
// of this form.
str_ptr
decygify_path(Cstr_ptr in)
{
#ifdef WIN32
  char *startofcyg = strstr(**in,"/cygdrive");
  if (startofcyg) {
    int numpre = startofcyg - **in;
    char *precyg;
    precyg = new char[numpre+1];
    strncpy(precyg, **in, numpre);
    precyg[numpre] = '\0';

    char *endofcyg   = strstr(startofcyg+1,"/");
    char drive = endofcyg[1];
    char *rest = endofcyg+2;

    str_ptr newpath = str_ptr(precyg) + str_ptr(drive) + str_ptr(":") + 
      str_ptr(rest);
    delete [] precyg;

    // recursive call
    return decygify_path(newpath);
  }
  else {
    // no occurance of /cygdrive, return input unmodified
    return in;
  }
#else
  return in;
#endif
}

---