src/api/get.c

   1 /* libquvi
   2  * Copyright (C) 2012  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 get.c */
  22
  23 #include "config.h"
  24
  25 #include <glib.h>
  26
  27 #include "quvi.h"
  28 /* -- */
  29 #include "_quvi_s.h"
  30
  31 static QuviError _get(_quvi_t q, const QuviInfo n, ...)
  32 {
  33   QuviError rc;
  34   gpointer *vp;
  35   va_list arg;
  36   gdouble *dp;
  37   gchar **sp;
  38   glong *lp;
  39   gint type;
  40
  41   va_start(arg, n);
  42   type = QUVI_INFO_TYPE_MASK & (gint) n;
  43
  44   rc = QUVI_OK;
  45   vp = NULL;
  46   lp = NULL;
  47   dp = NULL;
  48   sp = NULL;
  49
  50   switch (type)
  51     {
  52     case QUVI_INFO_TYPE_LONG:
  53       lp = va_arg(arg, glong*);
  54       if (lp == NULL)
  55         rc = QUVI_ERROR_INVALID_ARG;
  56       break;
  57     case QUVI_INFO_TYPE_VOID:
  58       vp = va_arg(arg, gpointer*);
  59       if (vp == NULL)
  60         rc = QUVI_ERROR_INVALID_ARG;
  61       break;
  62     case QUVI_INFO_TYPE_DOUBLE:
  63       dp = va_arg(arg, gdouble*);
  64       if (dp == NULL)
  65         rc = QUVI_ERROR_INVALID_ARG;
  66       break;
  67     case QUVI_INFO_TYPE_STRING:
  68       sp = va_arg(arg, gchar**);
  69       if (sp == NULL)
  70         rc = QUVI_ERROR_INVALID_ARG;
  71       break;
  72     default:
  73       rc = QUVI_ERROR_INVALID_ARG;
  74       break;
  75     }
  76   va_end(arg);
  77
  78   if (rc != QUVI_OK)
  79     return (rc);
  80
  81   switch (n)
  82     {
  83     case QUVI_INFO_RESPONSE_CODE:
  84       *lp = q->status.resp_code;
  85       break;
  86     case QUVI_INFO_CURL_HANDLE:
  87       *vp = q->handle.curl;
  88       break;
  89     default:
  90       rc = QUVI_ERROR_INVALID_ARG;
  91       break;
  92     }
  93   return (rc);
  94 }
  95
  96 /** @brief Return information about the library handle
  97 @sa @ref getting_started
  98 @ingroup lib
  99 */
 100 void quvi_get(quvi_t handle, QuviInfo info, ...)
 101 {
 102   va_list arg;
 103   gpointer p;
 104   _quvi_t q;
 105
 106   /* If G_DISABLE_CHECKS is defined then the check is not performed. */
 107   g_return_if_fail(handle != NULL);
 108
 109   va_start(arg, info);
 110   p = va_arg(arg, gpointer);
 111   va_end(arg);
 112
 113   q = (_quvi_t) handle;
 114   q->status.rc = _get(q, info, p);
 115 }
 116
 117 /* vim: set ts=2 sw=2 tw=72 expandtab: */