src/api/set.c

   1 /* libquvi
   2  * Copyright (C) 2012,2013  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This file is part of libquvi <http://quvi.sourceforge.net/>.
   5  *
   6  * This library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU Affero General Public
   8  * License as published by the Free Software Foundation, either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General
  17  * Public License along with this library.  If not, see
  18  * <http://www.gnu.org/licenses/>.
  19  */
  20
  21 /** @file set.c */
  22
  23 #include "config.h"
  24
  25 #include <glib.h>
  26 #include <curl/curl.h>
  27
  28 #include "quvi.h"
  29 /* -- */
  30 #include "_quvi_s.h"
  31
  32 static QuviError _set(_quvi_t q, const QuviOption o, va_list arg)
  33 {
  34   switch (o)
  35     {
  36     case QUVI_OPTION_AUTOPROXY:
  37       q->opt.autoproxy = (gboolean) va_arg(arg, glong) >0;
  38       break;
  39
  40     case QUVI_OPTION_USER_AGENT:
  41       /* Save for later use: c_reset will reuse this value. */
  42       g_string_assign(q->opt.user_agent, va_arg(arg, gchar*));
  43       /* Apply for immediate effect. */
  44       curl_easy_setopt(q->handle.curl, CURLOPT_USERAGENT,
  45                        q->opt.user_agent->str);
  46       break;
  47
  48     case QUVI_OPTION_CALLBACK_STATUS:
  49       q->cb.status = va_arg(arg, quvi_callback_status);
  50       break;
  51
  52     case QUVI_OPTION_CALLBACK_STATUS_USERDATA:
  53       q->cb.userdata.status = va_arg(arg, void*);
  54       break;
  55
  56     default:
  57       return (QUVI_ERROR_INVALID_ARG);
  58     }
  59
  60   return (QUVI_OK);
  61 }
  62
  63 /** @brief Set library handle option
  64 @sa @ref getting_started
  65 @ingroup lib
  66 */
  67 void quvi_set(quvi_t handle, QuviOption option, ...)
  68 {
  69   va_list arg;
  70   _quvi_t q;
  71
  72   /* If G_DISABLE_CHECKS is defined then the check is not performed. */
  73   g_return_if_fail(handle != NULL);
  74
  75   q = (_quvi_t) handle;
  76
  77   va_start(arg, option);
  78   q->status.rc = _set(handle, option, arg);
  79   va_end(arg);
  80 }
  81
  82 /* vim: set ts=2 sw=2 tw=72 expandtab: */