Function full_readlink

resources/omFindExec.c:228–255

similar to readlink (cf. man readlink), except that symbolic links are followed up to MAX_LINK_LEVEL */

   followed up to MAX_LINK_LEVEL
*/
static int full_readlink(const char* name, char* buf, size_t bufsize)
{
  int ret;

  if ((ret=my_readlink(name, buf, bufsize)) > 0)
  {
    char buf2[MAXPATHLEN];
    int ret2, i = 0;

    do
    {
      buf[ret] = '\0';
      if ((ret2 = my_readlink(buf, buf2, MAXPATHLEN)) > 0)
      {
        i++;
        buf2[ret2] = '\0';
        strcpy(buf, buf2);
        ret = ret2;
      }
      else
      {
        return ret;
      }
    }
    while (i<MAX_LINK_LEVEL);
  }
  return -1;
}

#ifdef __CYGWIN__
/* for windows, serch first for .exe */