src/api/errmsg.c

   1 /* libquvi
   2  * Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301  USA
  18  */
  19
  20 /** @file errmsg.c */
  21
  22 #include "config.h"
  23
  24 #include <glib.h>
  25
  26 #include "quvi.h"
  27 /* -- */
  28 #include "_quvi_s.h"
  29
  30 static const gchar *msg[] =
  31 {
  32   "No error",
  33   "Aborted by callback",
  34   "'playlist scripts' not found in the path",
  35   "'media scripts' not found in the path",
  36   "'scan scripts' not found in the path",
  37   "'utility scripts' not found in the path",
  38   "Invalid argument to function",
  39   "libproxy initialization failed",
  40   "cURL initialization failed",
  41   "Lua initialization failed"
  42 };
  43
  44 static const gchar inv_code_msg[] = "Invalid error code";
  45
  46 /** @return NULL-terminated error string
  47 @note Do not attempt to free the returned string
  48 @sa @ref getting_started
  49 @ingroup convenience
  50 */
  51 const char *quvi_errmsg(quvi_t handle)
  52 {
  53   const gchar *s;
  54   QuviError c;
  55   _quvi_t q;
  56   gint i;
  57
  58   if (handle == NULL)
  59     return (msg[QUVI_ERROR_INVALID_ARG]);
  60
  61   q = (_quvi_t) handle;
  62   c = q->status.rc;
  63
  64   for (i=1; msg[i] != NULL; ++i);
  65
  66   s = msg[0];
  67
  68   if ( (gint) c<0 || c>i)
  69     {
  70       if (q->status.errmsg->len >0)
  71         s = q->status.errmsg->str;
  72       else
  73         s = inv_code_msg;
  74     }
  75   else
  76     s = msg[c];
  77
  78   return (s);
  79 }
  80
  81 /* vim: set ts=2 sw=2 tw=72 expandtab: */