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utils.c

/* 
   cadaver, command-line DAV client
   Copyright (C) 1999-2001, Joe Orton <joe@manyfish.co.uk>, 
   Portions are:
   Copyright (C) 85, 88, 90, 91, 1995-1999 Free Software Foundation, Inc.
                                                                     
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
  
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
  
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include "config.h"

#include <time.h>
#include <sys/types.h>

#include <ne_basic.h>
#include <ne_uri.h>

#include "i18n.h"
#include "cadaver.h"
#include "utils.h"

/* Returns non-zero if given resource is not a collection resource.
 * This function MAY make a request to the server. */
enum resource_type getrestype(const char *uri)
{
    struct resource *res = NULL;
    int ret = 0;
    /* TODO: just request resourcetype here. */
    ret = fetch_resource_list(session, uri, NE_DEPTH_ZERO, 1, &res);
    if (ret == NE_OK) {
      if (res != NULL && ne_path_compare(uri, res->uri) == 0) {
          ret = res->type;
      } else {
          /* FIXME: this error occurs when you do open /foo and get
           * the response for /foo/ back. */
          ne_set_error(session, _("Did not find a collection resource."));
          ret = resr_error;
      }
    } else {
      ret = resr_error;
    }
    free_resource_list(res);
    return ret;
}


char *format_time(time_t when)
{
    const char *fmt;
    static char ret[256];
    struct tm *local;
    time_t current_time;
    
    if (when == (time_t)-1) {
      /* Happens on lock-null resources */
      return "  (unknown) ";
    }

    /* from GNU fileutils... this section is 
     *  
     */
    current_time = time(NULL);
    if (current_time > when + 6L * 30L * 24L * 60L * 60L    /* Old. */
      || current_time < when - 60L * 60L) {
      /* The file is fairly old or in the future.  POSIX says the
         cutoff is 6 months old; approximate this by 6*30 days.
         Allow a 1 hour slop factor for what is considered "the
         future", to allow for NFS server/client clock disagreement.
         Show the year instead of the time of day.  */
      fmt = "%b %e  %Y";
    } else {
      fmt = "%b %e %H:%M";
    }

    local = localtime(&when);
    if (local != NULL) {
      if (strftime(ret, 256, fmt, local)) {
          return ret;
      }
    }
    return "???";
}


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