/*
 * Routine to convert a UNIX-style path to an AmigaDOS path.
 * 
 * Based on routine by Martin W. Scott (from UnixDirs II).
 * Major cleanup and bugfixing for use in wu-ftpd by Blaz Zupan, 07/94
 */

#include <string.h>

/*
 * "path" is a pointer to the Unix path to be
 * converted. The result is put back into "path"
 * because it is never longer than the original path.
 */
void
UnixToAmiga (char *path)
{
  char *s, *t, *start;

  s = path;
  start = path;

  if (t = strchr (path, ':'))	/* check for ':' in path */
  {
    t++;			/* copy device component */
    while (path < t)
      *s++ = *path++;
  }

  while (path[0])
  {
    if ((path == start || path[-1] == '/') && path[0] == '.')
    {
      if (path[1] == '.')
      {
	if (path[2] == '/')
	{
	  path += 2;
	  *s++ = *path++;
	}
	else if (!path[2])
	{
	  path += 2;
	  *s++ = '/';
	}
	else
	  *s++ = *path++;
      }
      else
      {
	if (path[1] == '/')
	  path += 2;
	else if (!path[1])
	  path += 1;
	else
	  *s++ = *path++;
      }
    }
    else
      *s++ = *path++;
  }
  *s = '\0';
}

#ifdef TEST

#include <proto/exec.h>
#include <stdio.h>

int
main (int argc, char **argv)
{
  int i;

  for (i = 1; i < argc; i++)
  {
    char *buf;

    if (buf = AllocMem (512, 0))
    {
      CopyMem (argv[i], buf, 512);
      UnixToAmiga (buf);
      printf ("%s --> %s\n", argv[i], buf);
      FreeMem (buf, 512);
    }
  }
  return 0;
}

#endif