jack/varargs.h

   1 /*
   2  *  Copyright (C) 2004 Jack O'Quin
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU Lesser General Public License as published by
   6  *  the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU Lesser General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  *
  18  */
  19
  20 #ifndef __jack_varargs_h__
  21 #define __jack_varargs_h__
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 /* variable argument structure */
  28 typedef struct {
  29         char *server_name;              /* server name */
  30         char *load_name;                /* load module name */
  31         char *load_init;                /* initialization string */
  32 } jack_varargs_t;
  33
  34 static inline void
  35 jack_varargs_init (jack_varargs_t *va)
  36 {
  37         memset (va, 0, sizeof(jack_varargs_t));
  38         va->server_name = jack_default_server_name ();
  39 }
  40
  41 static inline void
  42 jack_varargs_parse (jack_options_t options, va_list ap, jack_varargs_t *va)
  43 {
  44         /* initialize default settings */
  45         jack_varargs_init (va);
  46
  47         if ((options & JackServerName)) {
  48                 char *sn = va_arg(ap, char *);
  49                 if (sn)
  50                         va->server_name = sn;
  51         }
  52         if ((options & JackLoadName))
  53                 va->load_name = va_arg(ap, char *);
  54         if ((options & JackLoadInit))
  55                 va->load_init = va_arg(ap, char *);
  56 }
  57
  58 #ifdef __cplusplus
  59 }
  60 #endif
  61
  62 #endif /* __jack_varargs_h__ */