apps/nsplugins/viewer/resolve.h

   1 /*
   2   Copyright (c) 2000 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
   3
   4   This program is free software; you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation; either version 2 of the License, or
   7   (at your option) any later version.
   8
   9   This program 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
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program; if not, write to the Free Software
  16   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17
  18 */
  19
  20 #ifndef VIEWER_RESOLVE_H
  21 #define VIEWER_RESOLVE_H
  22
  23 #define RESOLVE_RETVAL(fname,error)           \
  24   kDebug() << "NSPluginInstance::";  \
  25                                               \
  26   if (!_handle)                               \
  27     return error;                             \
  28                                               \
  29   if (!func_ ## fname)                        \
  30     func_ ## fname = _handle->symbol("NPP_"#fname); \
  31                                               \
  32   if (!func_ ## fname)                        \
  33   {                                           \
  34     kDebug() << "Failed: NPP_";      \
  35     return error;                             \
  36   }                                           \
  37   kDebug() << "Resolved NPP_";
  38
  39
  40 #define RESOLVE(fname) RESOLVE_RETVAL(fname, NPERR_GENERIC_ERROR)
  41 #define RESOLVE_VOID(fname) RESOLVE_RETVAL(fname, ;)
  42
  43
  44 #define CHECK(fname,error)                    \
  45   kDebug() << "results in " << error;         \
  46   return error;
  47
  48 #endif /* VIEWER_RESOLVE_H */
  49