main.c

           glob_next_url(inglob):
           (!up?strdup(infiles):NULL));
        up++) {
      uploadfilesize=-1;

      if(!config->globoff) {
        /* Unless explicitly shut off, we expand '{...}' and '[...]'
           expressions and return total number of URLs in pattern set */
        res = glob_url(&urls, dourl, &urlnum,
                       config->showerror?
                       (config->errors?config->errors:stderr):NULL);
        if(res != CURLE_OK) {
          break;
        }
      }
      else
        urlnum = 1; /* without globbing, this is a single URL */

      /* if multiple files extracted to stdout, insert separators! */
      separator= ((!outfiles || curlx_strequal(outfiles, "-")) && urlnum > 1);

      /* Here's looping around each globbed URL */
      for(i = 0;
          (url = urls?glob_next_url(urls):(i?NULL:strdup(url)));
          i++) {
        char *outfile;
        outfile = outfiles?strdup(outfiles):NULL;

        if((urlnode->flags&GETOUT_USEREMOTE) ||
           (outfile && !curlx_strequal("-", outfile)) ) {

          /*
           * We have specified a file name to store the result in, or we have
           * decided we want to use the remote file name.
           */

          if(!outfile) {
            /* Find and get the remote file name */
            char * pc =strstr(url, "://");
            if(pc)
              pc+=3;
            else
              pc=url;
            pc = strrchr(pc, '/');

            if(pc) {
              /* duplicate the string beyond the slash */
              pc++;
              outfile = *pc ? strdup(pc): NULL;
            }
            if(!outfile || !*outfile) {
              helpf("Remote file name has no length!\n");
              res = CURLE_WRITE_ERROR;
              free(url);
              break;
            }
#if defined(__DJGPP__)
            {
              /* This is for DOS, and then we do some major replacing of
                 bad characters in the file name before using it */
              char file1 [PATH_MAX];

              strcpy(file1, msdosify(outfile));
              free (outfile);
              outfile = strdup (rename_if_dos_device_name(file1));
            }
#endif /* __DJGPP__ */
          }
          else if(urls) {
            /* fill '#1' ... '#9' terms from URL pattern */
            char *storefile = outfile;
            outfile = glob_match_url(storefile, urls);
            free(storefile);
            if(!outfile) {
              /* bad globbing */
              fprintf(stderr, "bad output glob!\n");
              free(url);
              res = CURLE_FAILED_INIT;
              break;
            }
          }

          /* Create the directory hierarchy, if not pre-existant to a multiple
             file output call */

          if(config->create_dirs &&
             (-1 == create_dir_hierarchy(outfile)))
            return CURLE_WRITE_ERROR;

          if(config->resume_from_current) {
            /* We're told to continue from where we are now. Get the
               size of the file as it is now and open it for append instead */

            struct stat fileinfo;

            /* VMS -- Danger, the filesize is only valid for stream files */
            if(0 == stat(outfile, &fileinfo))
              /* set offset to current file size: */
              config->resume_from = fileinfo.st_size;
            else
              /* let offset be 0 */
              config->resume_from = 0;
          }

          outs.filename = outfile;

          if(config->resume_from) {
            /* open file for output: */
            outs.stream=(FILE *) fopen(outfile, config->resume_from?"ab":"wb");
            if (!outs.stream) {
              helpf("Can't open '%s'!\n", outfile);
              return CURLE_WRITE_ERROR;
            }
          }
          else {
            outs.stream = NULL; /* open when needed */
          }
        }
        infdfopen=FALSE;
        if(uploadfile && !curlx_strequal(uploadfile, "-")) {
          /*
           * We have specified a file to upload and it isn't "-".
           */
          struct stat fileinfo;

          /* If no file name part is given in the URL, we add this file name */
          char *ptr=strstr(url, "://");
          if(ptr)
            ptr+=3;
          else
            ptr=url;
          ptr = strrchr(ptr, '/');
          if(!ptr || !strlen(++ptr)) {
            /* The URL has no file name part, add the local file name. In order
               to be able to do so, we have to create a new URL in another
               buffer.*/

            /* We only want the part of the local path that is on the right
               side of the rightmost slash and backslash. */
            char *filep = strrchr(uploadfile, '/');
            char *file2 = strrchr(filep?filep:uploadfile, '\\');

            if(file2)
              filep = file2+1;
            else if(filep)
              filep++;
            else
              filep = uploadfile;

            /* URL encode the file name */
            filep = curl_escape(filep, 0 /* use strlen */);

            if(filep) {

              urlbuffer=(char *)malloc(strlen(url) + strlen(filep) + 3);
              if(!urlbuffer) {
                helpf("out of memory\n");
                return CURLE_OUT_OF_MEMORY;
              }
              if(ptr)
                /* there is a trailing slash on the URL */
                sprintf(urlbuffer, "%s%s", url, filep);
              else
                /* thers is no trailing slash on the URL */
                sprintf(urlbuffer, "%s/%s", url, filep);

              curl_free(filep);

              free(url);
              url = urlbuffer; /* use our new URL instead! */
            }
          }
          /* VMS Note:
           *
           * Reading binary from files can be a problem...  Only FIXED, VAR
           * etc WITHOUT implied CC will work Others need a \n appended to a
           * line
           *
           * - Stat gives a size but this is UNRELIABLE in VMS As a f.e. a
           * fixed file with implied CC needs to have a byte added for every
           * record processed, this can by derived from Filesize & recordsize
           * for VARiable record files the records need to be counted!  for
           * every record add 1 for linefeed and subtract 2 for the record
           * header for VARIABLE header files only the bare record data needs
           * to be considered with one appended if implied CC
           */

          infd=(FILE *) fopen(uploadfile, "rb");
          if (!infd || stat(uploadfile, &fileinfo)) {
            helpf("Can't open '%s'!\n", uploadfile);
            return CURLE_READ_ERROR;
          }
          infdfopen=TRUE;
          uploadfilesize=fileinfo.st_size;

        }
        else if(uploadfile && curlx_strequal(uploadfile, "-")) {
          infd = stdin;
        }

        if(uploadfile && config->resume_from_current)
          config->resume_from = -1; /* -1 will then force get-it-yourself */

        if(outs.stream && isatty(fileno(outs.stream)))
          /* we send the output to a tty, therefore we switch off the progress
             meter */
          config->conf |= CONF_NOPROGRESS;

        if (urlnum > 1 && !(config->conf&CONF_MUTE)) {
          fprintf(stderr, "\n[%d/%d]: %s --> %s\n",
                  i+1, urlnum, url, outfile ? outfile : "<stdout>");
          if (separator)
            printf("%s%s\n", CURLseparator, url);
        }
        if (httpgetfields) {
          /* Find out whether the url contains a file name */
          const char *pc =strstr(url, "://");
          char sep='?';
          if(pc)
            pc+=3;
          else
            pc=url;

          pc = strrchr(pc, '/'); /* check for a slash */

          if(pc) {
            /* there is a slash present in the URL */

            if(strchr(pc, '?'))
              /* Ouch, there's already a question mark in the URL string, we
                 then append the data with an ampersand separator instead! */
              sep='&';
          }
          /*
           * Then append ? followed by the get fields to the url.
           */
          urlbuffer=(char *)malloc(strlen(url) + strlen(httpgetfields) + 2);
          if(!urlbuffer) {
            helpf("out of memory\n");
            return CURLE_OUT_OF_MEMORY;
          }
          if (pc)
            sprintf(urlbuffer, "%s%c%s", url, sep, httpgetfields);
          else
            /* Append  / before the ? to create a well-formed url
               if the url contains a hostname only
            */
            sprintf(urlbuffer, "%s/?%s", url, httpgetfields);

          free(url); /* free previous URL */
          url = urlbuffer; /* use our new URL instead! */
        }

        if(!config->errors)
          config->errors = stderr;

#ifdef O_BINARY
        if(!outfile && !(config->conf & CONF_GETTEXT)) {
          /* We get the output to stdout and we have not got the ASCII/text flag,
             then set stdout to be binary */
          setmode( fileno(stdout), O_BINARY );
        }
#endif

        if(1 == config->tcp_nodelay)
          curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);

        curl_easy_setopt(curl, CURLOPT_SSLENGINE, config->engine);
        curl_easy_setopt(curl, CURLOPT_SSLENGINE_DEFAULT, 1);

        /* where to store */
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, (FILE *)&outs);
        /* what call to write */
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_fwrite);

        /* for uploads */
        input.stream = infd;
        input.config = config;
        curl_easy_setopt(curl, CURLOPT_READDATA, &input);
        /* what call to read */
        curl_easy_setopt(curl, CURLOPT_READFUNCTION, my_fread);

        if(config->recvpersecond) {
          /* tell libcurl to use a smaller sized buffer as it allows us to
             make better sleeps! 7.9.9 stuff! */
          curl_easy_setopt(curl, CURLOPT_BUFFERSIZE, config->recvpersecond);
        }

        /* size of uploaded file: */
        curl_easy_setopt(curl, CURLOPT_INFILESIZE_LARGE, uploadfilesize);
        curl_easy_setopt(curl, CURLOPT_URL, url);     /* what to fetch */
        curl_easy_setopt(curl, CURLOPT_PROXY, config->proxy); /* proxy to use */
        curl_easy_setopt(curl, CURLOPT_HEADER, config->conf&CONF_HEADER);
        curl_easy_setopt(curl, CURLOPT_NOPROGRESS, config->conf&CONF_NOPROGRESS);
        curl_easy_setopt(curl, CURLOPT_NOBODY, config->conf&CONF_NOBODY);
        curl_easy_setopt(curl, CURLOPT_FAILONERROR,
                         config->conf&CONF_FAILONERROR);
        curl_easy_setopt(curl, CURLOPT_UPLOAD, uploadfile?TRUE:FALSE);
        curl_easy_setopt(curl, CURLOPT_FTPLISTONLY,
                         config->conf&CONF_FTPLISTONLY);
        curl_easy_setopt(curl, CURLOPT_FTPAPPEND, config->conf&CONF_FTPAPPEND);

        if (config->conf&CONF_NETRC_OPT)
          curl_easy_setopt(curl, CURLOPT_NETRC, CURL_NETRC_OPTIONAL);
        else if (config->conf&CONF_NETRC)
          curl_easy_setopt(curl, CURLOPT_NETRC, CURL_NETRC_REQUIRED);
        else
          curl_easy_setopt(curl, CURLOPT_NETRC, CURL_NETRC_IGNORED);

        curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION,
                         config->conf&CONF_FOLLOWLOCATION);
        curl_easy_setopt(curl, CURLOPT_UNRESTRICTED_AUTH,
                         config->conf&CONF_UNRESTRICTED_AUTH);
        curl_easy_setopt(curl, CURLOPT_TRANSFERTEXT, config->conf&CONF_GETTEXT);
        curl_easy_setopt(curl, CURLOPT_USERPWD, config->userpwd);
        curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, config->proxyuserpwd);
        curl_easy_setopt(curl, CURLOPT_RANGE, config->range);
        curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errorbuffer);
        curl_easy_setopt(curl, CURLOPT_TIMEOUT, config->timeout);
        curl_easy_setopt(curl, CURLOPT_POSTFIELDS, config->postfields);

        /* new in libcurl 7.2: */
        curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, config->postfieldsize);

        curl_easy_setopt(curl, CURLOPT_REFERER, config->referer);
        curl_easy_setopt(curl, CURLOPT_AUTOREFERER,
                         config->conf&CONF_AUTO_REFERER);
        curl_easy_setopt(curl, CURLOPT_USERAGENT, config->useragent);
        curl_easy_setopt(curl, CURLOPT_FTPPORT, config->ftpport);
        curl_easy_setopt(curl, CURLOPT_LOW_SPEED_LIMIT, config->low_speed_limit);
        curl_easy_setopt(curl, CURLOPT_LOW_SPEED_TIME, config->low_speed_time);
        curl_easy_setopt(curl, CURLOPT_RESUME_FROM_LARGE,
                         config->use_resume?config->resume_from:0);
        curl_easy_setopt(curl, CURLOPT_COOKIE, config->cookie);
        curl_easy_setopt(curl, CURLOPT_HTTPHEADER, config->headers);
        curl_easy_setopt(curl, CURLOPT_HTTPPOST, config->httppost);
        curl_easy_setopt(curl, CURLOPT_SSLCERT, config->cert);
        curl_easy_setopt(curl, CURLOPT_SSLCERTTYPE, config->cert_type);
        curl_easy_setopt(curl, CURLOPT_SSLKEY, config->key);
        curl_easy_setopt(curl, CURLOPT_SSLKEYTYPE, config->key_type);
        curl_easy_setopt(curl, CURLOPT_SSLKEYPASSWD, config->key_passwd);

        /* default to strict verifyhost */
        curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 2);
        if(config->cacert || config->capath) {
          if (config->cacert)
            curl_easy_setopt(curl, CURLOPT_CAINFO, config->cacert);

          if (config->capath)
            curl_easy_setopt(curl, CURLOPT_CAPATH, config->capath);
          curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, TRUE);
        }
        if(config->insecure_ok) {
          /* new stuff needed for libcurl 7.10 */
          curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, FALSE);
          curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 1);
        }

        if((config->conf&CONF_NOBODY) ||
           config->remote_time) {
          /* no body or use remote time */
          curl_easy_setopt(curl, CURLOPT_FILETIME, TRUE);
        }

        if (config->maxredirs)
          curl_easy_setopt(curl, CURLOPT_MAXREDIRS, config->maxredirs);
        else
          curl_easy_setopt(curl, CURLOPT_MAXREDIRS, DEFAULT_MAXREDIRS);

        curl_easy_setopt(curl, CURLOPT_CRLF, config->crlf);
        curl_easy_setopt(curl, CURLOPT_QUOTE, config->quote);
        curl_easy_setopt(curl, CURLOPT_POSTQUOTE, config->postquote);
        curl_easy_setopt(curl, CURLOPT_WRITEHEADER,
                         config->headerfile?&heads:NULL);
        curl_easy_setopt(curl, CURLOPT_COOKIEFILE, config->cookiefile);
        /* cookie jar was added in 7.9 */
        if(config->cookiejar)
          curl_easy_setopt(curl, CURLOPT_COOKIEJAR, config->cookiejar);
        /* cookie session added in 7.9.7 */
        curl_easy_setopt(curl, CURLOPT_COOKIESESSION, config->cookiesession);

        curl_easy_setopt(curl, CURLOPT_SSLVERSION, config->ssl_version);
        curl_easy_setopt(curl, CURLOPT_TIMECONDITION, config->timecond);
        curl_easy_setopt(curl, CURLOPT_TIMEVALUE, config->condtime);
        curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, config->customrequest);
        curl_easy_setopt(curl, CURLOPT_STDERR, config->errors);

        /* three new ones in libcurl 7.3: */
        curl_easy_setopt(curl, CURLOPT_HTTPPROXYTUNNEL, config->proxytunnel);
        curl_easy_setopt(curl, CURLOPT_INTERFACE, config->iface);
        curl_easy_setopt(curl, CURLOPT_KRB4LEVEL, config->krb4level);

        progressbarinit(&progressbar, config);
        if((config->progressmode == CURL_PROGRESS_BAR) &&
           !(config->conf&(CONF_NOPROGRESS|CONF_MUTE))) {
          /* we want the alternative style, then we have to implement it
             ourselves! */
          curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, myprogress);
          curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, &progressbar);
        }

        /* new in libcurl 7.6.2: */
        curl_easy_setopt(curl, CURLOPT_TELNETOPTIONS, config->telnet_options);

        /* new in libcurl 7.7: */
        curl_easy_setopt(curl, CURLOPT_RANDOM_FILE, config->random_file);
        curl_easy_setopt(curl, CURLOPT_EGDSOCKET, config->egd_file);
        curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, config->connecttimeout);

        if(config->cipher_list)
          curl_easy_setopt(curl, CURLOPT_SSL_CIPHER_LIST, config->cipher_list);

        if(config->httpversion)
          curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, config->httpversion);

        /* new in libcurl 7.9.2: */
        if(config->disable_epsv)
          /* disable it */
          curl_easy_setopt(curl, CURLOPT_FTP_USE_EPSV, FALSE);

        /* new in libcurl 7.10.5 */
        if(config->disable_eprt)
          /* disable it */
          curl_easy_setopt(curl, CURLOPT_FTP_USE_EPRT, FALSE);

        /* new in libcurl 7.10.6 (default is Basic) */
        if(config->authtype)
          curl_easy_setopt(curl, CURLOPT_HTTPAUTH, config->authtype);

        /* new in curl 7.9.7 */
        if(config->trace_dump) {
          curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, my_trace);
          curl_easy_setopt(curl, CURLOPT_DEBUGDATA, config);
          config->conf |= CONF_VERBOSE; /* force verbose */
        }
        curl_easy_setopt(curl, CURLOPT_VERBOSE, config->conf&CONF_VERBOSE);

        /* new in curl 7.10 */
        curl_easy_setopt(curl, CURLOPT_ENCODING,
                         (config->encoding) ? "" : NULL);

        /* new in curl 7.10.7 */
        curl_easy_setopt(curl, CURLOPT_FTP_CREATE_MISSING_DIRS,
                         config->ftp_create_dirs);
        if(config->proxyntlm)
          curl_easy_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_NTLM);
        else if(config->proxydigest)
          curl_easy_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_DIGEST);
        else if(config->proxybasic)
          curl_easy_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);

        /* new in curl 7.10.8 */
        if(config->max_filesize)
          curl_easy_setopt(curl, CURLOPT_MAXFILESIZE_LARGE,
                           config->max_filesize);

        if(4 == config->ip_version)
          curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
        else if(6 == config->ip_version)
          curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V6);
        else
          curl_easy_setopt(curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_WHATEVER);

        /* new in curl 7.11.0 */
        if(config->ftp_ssl)
          curl_easy_setopt(curl, CURLOPT_FTP_SSL, CURLFTPSSL_TRY);

        /* new in curl 7.11.1 */
        if(config->socks5proxy) {
          curl_easy_setopt(curl, CURLOPT_PROXY, config->socks5proxy);
          curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
        }

        res = curl_easy_perform(curl);

        if((config->progressmode == CURL_PROGRESS_BAR) &&
           progressbar.calls) {
          /* if the custom progress bar has been displayed, we output a
             newline here */
          fputs("\n", progressbar.out);
        }

        if(config->writeout) {
          ourWriteOut(curl, config->writeout);
        }
#ifdef USE_ENVIRONMENT
        if (config->writeenv)
          ourWriteEnv(curl);
#endif

#ifdef  VMS
        if (!config->showerror)  {
          vms_show = VMSSTS_HIDE;
        }
#else
        if((res!=CURLE_OK) && config->showerror) {
          fprintf(config->errors, "curl: (%d) %s\n", (int)res,
                  errorbuffer[0]? errorbuffer:
                  curl_easy_strerror((CURLcode)res));
          if(CURLE_SSL_CACERT == res) {
#define CURL_CA_CERT_ERRORMSG1 \
"More details here: http://curl.haxx.se/docs/sslcerts.html\n\n" \
"curl performs SSL certificate verification by default, using a \"bundle\"\n" \
" of Certificate Authority (CA) public keys (CA certs). The default\n" \
" bundle is named curl-ca-bundle.crt; you can specify an alternate file\n" \
" using the --cacert option.\n"

#define CURL_CA_CERT_ERRORMSG2 \
"If this HTTPS server uses a certificate signed by a CA represented in\n" \
" the bundle, the certificate verification probably failed due to a\n" \
" problem with the certificate (it might be expired, or the name might\n" \
" not match the domain name in the URL).\n" \
"If you'd like to turn off curl's verification of the certificate, use\n" \
" the -k (or --insecure) option.\n"

            fprintf(config->errors, "%s%s",
                    CURL_CA_CERT_ERRORMSG1,
                    CURL_CA_CERT_ERRORMSG2 );
          }
        }
#endif

        if (outfile && !curlx_strequal(outfile, "-") && outs.stream)
          fclose(outs.stream);

#ifdef HAVE_UTIME
        /* Important that we set the time _after_ the file has been
           closed, as is done above here */
        if(config->remote_time && outs.filename) {
          /* as libcurl if we got a time. Pretty please */
          long filetime;
          curl_easy_getinfo(curl, CURLINFO_FILETIME, &filetime);
          if(filetime >= 0) {
            struct utimbuf times;
            times.actime = (time_t)filetime;
            times.modtime = (time_t)filetime;
            utime(outs.filename, &times); /* set the time we got */
          }
        }
#endif
#ifdef AMIGA
        /* Set the url as comment for the file. (up to 80 chars are allowed)
         */
        if( strlen(url) > 78 )
          url[79] = '\0';

        SetComment( outs.filename, url);
#endif

        if(headerfilep)
          fclose(headerfilep);

        if (httpgetfields)
          free(httpgetfields);

        if(url)
          free(url);

        if(outfile)
          free(outfile);

        if(infdfopen)
          fclose(infd);

      } /* loop to the next URL */

      if(urls)
        /* cleanup memory used for URL globbing patterns */
        glob_cleanup(urls);

      if(uploadfile)
        free(uploadfile);

    } /* loop to the next globbed upload file */

    if(inglob)
      glob_cleanup(inglob);

    if(outfiles)
      free(outfiles);

    /* empty this urlnode struct */
    if(urlnode->url)
      free(urlnode->url);
    if(urlnode->outfile)
      free(urlnode->outfile);
    if(urlnode->infile)
      free(urlnode->infile);

    /* move on to the next URL */
    nextnode=urlnode->next;
    free(urlnode); /* free the node */
    urlnode = nextnode;

  } /* while-loop through all URLs */

  if(config->headerfile && !headerfilep && heads.stream)
    fclose(heads.stream);

  if(allocuseragent)
    free(config->useragent);

  /* cleanup the curl handle! */
  curl_easy_cleanup(curl);

  if(config->trace_fopened && config->trace_stream)
    fclose(config->trace_stream);

  if(config->errors_fopened)
    fclose(config->errors);

  main_free(); /* cleanup */

  return res;
}

int main(int argc, char *argv[])
{
  int res;
  struct Configurable config;
  memset(&config, 0, sizeof(struct Configurable));

  res = operate(&config, argc, argv);
  free_config_fields(&config);

#ifdef __NOVELL_LIBC__
  pressanykey();
#endif
#ifdef  VMS
  if (res > CURL_LAST) res = CURL_LAST; /* If CURL_LAST exceeded then */
  return (vms_cond[res]|vms_show);      /* curlmsg.h is out of sync.  */
#else
  return res;
#endif
}

static char *my_get_line(FILE *fp)
{
   char buf[4096];
   char *nl = NULL;
   char *retval = NULL;

   do {
     if (NULL == fgets(buf, sizeof(buf), fp))
       break;
     if (NULL == retval)
       retval = strdup(buf);
     else {
       if (NULL == (retval = realloc(retval,
                                     strlen(retval) + strlen(buf) + 1)))
         break;
       strcat(retval, buf);
     }
   }
   while (NULL == (nl = strchr(retval, '\n')));

   if (NULL != nl)
     *nl = '\0';

   return retval;
}


/* Create the needed directory hierarchy recursively in order to save
   multi-GETs in file output, ie:
   curl "http://my.site/dir[1-5]/file[1-5].txt" -o "dir#1/file#2.txt"
   should create all the dir* automagically
*/
static int create_dir_hierarchy(char *outfile)
{
  char *tempdir;
  char *tempdir2;
  char *outdup;
  char *dirbuildup;
  int result=0;

  outdup = strdup(outfile);
  dirbuildup = malloc(sizeof(char) * strlen(outfile));
  if(!dirbuildup)
    return -1;
  dirbuildup[0] = '\0';

  tempdir = strtok(outdup, DIR_CHAR);

  while (tempdir != NULL) {
    tempdir2 = strtok(NULL, DIR_CHAR);
    /* since strtok returns a token for the last word even
       if not ending with DIR_CHAR, we need to prune it */
    if (tempdir2 != NULL) {
      if (strlen(dirbuildup) > 0)
        sprintf(dirbuildup,"%s%s%s",dirbuildup, DIR_CHAR, tempdir);
      else {
        if (0 != strncmp(outdup, DIR_CHAR, 1))
          sprintf(dirbuildup,"%s",tempdir);
        else
          sprintf(dirbuildup,"%s%s", DIR_CHAR, tempdir);
      }
      if (access(dirbuildup, F_OK) == -1) {
        result = mkdir(dirbuildup,(mode_t)0000750);
        if (-1 == result) {
          switch (errno) {
#ifdef EACCES
          case EACCES:
            fprintf(stderr,"You don't have permission to create %s.\n",
                    dirbuildup);
            break;
#endif
#ifdef ENAMETOOLONG
          case ENAMETOOLONG:
            fprintf(stderr,"The directory name %s is too long.\n",
                    dirbuildup);
            break;
#endif
#ifdef EROFS
          case EROFS:
            fprintf(stderr,"%s resides on a read-only file system.\n",
                    dirbuildup);
            break;
#endif
#ifdef ENOSPC
          case ENOSPC:
            fprintf(stderr,"No space left on the file system that will "
                    "contain the directory %s.\n", dirbuildup);
            break;
#endif
#ifdef EDQUOT
          case EDQUOT:
            fprintf(stderr,"Cannot create directory %s because you "
                    "exceeded your quota.\n", dirbuildup);
            break;
#endif
          default :
            fprintf(stderr,"Error creating directory %s.\n", dirbuildup);
            break;
          }
          break; /* get out of loop */
        }
      }
    }
    tempdir = tempdir2;
  }
  free(dirbuildup);
  free(outdup);

  return result; /* 0 is fine, -1 is badness */
}

#ifdef __DJGPP__
/* The following functions are taken with modification from the DJGPP
 * port of tar 1.12. They use algorithms originally from DJTAR. */

char *
msdosify (char *file_name)
{
  static char dos_name[PATH_MAX];
  static char illegal_chars_dos[] = ".+, ;=[]|<>\\\":?*";
  static char *illegal_chars_w95 = &illegal_chars_dos[8];
  int idx, dot_idx;
  char *s = file_name, *d = dos_name;
  char *illegal_aliens = illegal_chars_dos;
  size_t len = sizeof (illegal_chars_dos) - 1;
  int lfn = 0;

  /* Support for Windows 9X VFAT systems, when available.  */
  if (_use_lfn (file_name))
    lfn = 1;
  if (lfn) {
    illegal_aliens = illegal_chars_w95;
    len -= (illegal_chars_w95 - illegal_chars_dos);
  }

  /* Get past the drive letter, if any. */
  if (s[0] >= 'A' && s[0] <= 'z' && s[1] == ':') {
    *d++ = *s++;
    *d++ = *s++;
  }

  for (idx = 0, dot_idx = -1; *s; s++, d++) {
    if (memchr (illegal_aliens, *s, len)) {
      /* Dots are special: DOS doesn't allow them as the leading character,
         and a file name cannot have more than a single dot.  We leave the
         first non-leading dot alone, unless it comes too close to the
         beginning of the name: we want sh.lex.c to become sh_lex.c, not
         sh.lex-c.  */
      if (*s == '.') {
        if (idx == 0 && (s[1] == '/' || (s[1] == '.' && s[2] == '/'))) {
          /* Copy "./" and "../" verbatim.  */
          *d++ = *s++;
          if (*s == '.')
            *d++ = *s++;
          *d = *s;
        }
        else if (idx == 0)
          *d = '_';
        else if (dot_idx >= 0) {
          if (dot_idx < 5) { /* 5 is a heuristic ad-hoc'ery */
            d[dot_idx - idx] = '_'; /* replace previous dot */
            *d = '.';
          }
          else
            *d = '-';
        }
        else
          *d = '.';

        if (*s == '.')
          dot_idx = idx;
      }
      else if (*s == '+' && s[1] == '+') {
        if (idx - 2 == dot_idx) { /* .c++, .h++ etc. */
          *d++ = 'x';
          *d   = 'x';
        }
        else {
          /* libg++ etc.  */
          memcpy (d, "plus", 4);
          d += 3;
        }
        s++;
        idx++;
      }
      else
        *d = '_';
    }
    else
      *d = *s;
    if (*s == '/') {
      idx = 0;
      dot_idx = -1;
    }
    else
      idx++;
  }

  *d = '\0';
  return dos_name;
}

char *
rename_if_dos_device_name (char *file_name)
{
  /* We could have a file whose name is a device on MS-DOS.  Trying to
   * retrieve such a file would fail at best and wedge us at worst.  We need
   * to rename such files. */
  char *base;
  struct stat st_buf;
  char fname[PATH_MAX];

  strcpy (fname, file_name);
  base = basename (fname);
  if (((stat(base, &st_buf)) == 0) && (S_ISCHR(st_buf.st_mode))) {
    size_t blen = strlen (base);

    /* Prepend a '_'.  */
    memmove (base + 1, base, blen + 1);
    base[0] = '_';
    strcpy (file_name, fname);
  }
  return file_name;
}

#endif /* __DJGPP__ */