85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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* Copyright (C) 2004 Jack O'Quin
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __jack_varargs_h__
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#define __jack_varargs_h__
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include "types.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* variable argument structure */
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typedef struct {
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char *server_name; /* server name */
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char *load_name; /* load module name */
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char *load_init; /* initialization string */
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jack_uuid_t session_id; /* requested session_id */
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}
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jack_varargs_t;
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static const char* jack_default_server_name (void)
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{
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const char *server_name;
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if ((server_name = getenv("JACK_DEFAULT_SERVER")) == NULL)
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server_name = "default";
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return server_name;
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}
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static inline void jack_varargs_init (jack_varargs_t *va)
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{
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memset (va, 0, sizeof(jack_varargs_t));
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va->server_name = (char*)jack_default_server_name();
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}
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static inline void jack_varargs_parse (jack_options_t options, va_list ap, jack_varargs_t *va)
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{
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// initialize default settings
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jack_varargs_init (va);
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if ((options & JackServerName)) {
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char *sn = va_arg(ap, char *);
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if (sn)
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va->server_name = sn;
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}
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if ((options & JackLoadName))
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va->load_name = va_arg(ap, char *);
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if ((options & JackLoadInit))
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va->load_init = va_arg(ap, char *);
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if ((options & JackSessionID)) {
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char *sid = va_arg(ap, char *);
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if (sid) {
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const long long id = atoll( sid );
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if (id > 0)
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va->session_id = id;
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}
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}
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __jack_varargs_h__ */
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