Function msBuildPath

mapstring.c:655–698

** Returns a *path* built from abs_path and path. ** The pszReturnPath must be declared by the caller function as an array ** of MS_MAXPATHLEN char */

** of MS_MAXPATHLEN char
*/
char *msBuildPath(char *pszReturnPath, const char *abs_path, const char *path)
{
  int   abslen = 0;
  int   pathlen = 0;


  if(path == NULL)
  {
      msSetError(MS_IOERR, NULL, "msBuildPath");
      return NULL;
  }

  pathlen = strlen(path);
  if (abs_path)
    abslen = strlen(abs_path);

  if((pathlen + abslen + 2) > MS_MAXPATHLEN)
  {
      msSetError(MS_IOERR, "(%s%s): path is too long", "msBuildPath()",
                 abs_path, path);
      return NULL;
  }

  /* Check if path is absolute */
  if((abs_path == NULL) || (abslen == 0) || 
       (path[0] == '\\') || (path[0] == '/') || 
         (pathlen > 1 && (path[1] == ':')))
  {
      strlcpy(pszReturnPath, path, MS_MAXPATHLEN);
      return(pszReturnPath);
  }

  /* else return abs_path/path */
  if((abs_path[abslen-1] == '/') || (abs_path[abslen-1] == '\\'))
  {
    snprintf(pszReturnPath, MS_MAXPATHLEN, "%s%s", abs_path, path);
  }
  else
  {
    snprintf(pszReturnPath, MS_MAXPATHLEN, "%s/%s", abs_path, path);
  }

  return(pszReturnPath);
}

/*
** Returns a *path* built from abs_path, path1 and path2.