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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 1998-2016. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*
*/
#ifdef VXWORKS
#include <vxWorks.h>
#endif
#include <stdarg.h>
#include "reg.h"
/* this is the general "get" function. Values are copied into a buffer
* provided by the caller, and the return value indicates success or
* failure. This function can get all types except directorys. The user
* must specify the type of data he is expecting, or 0 if he doesn't
* care. On success, the data type is returned. If the requested data
* type does not match the data found, EI_TYPE is returned.
*/
int ei_reg_getval(ei_reg *reg, const char *key, int flags, ...)
{
ei_hash *tab;
ei_reg_obj *obj=NULL;
va_list ap;
int rval;
int objtype;
if (!key || !reg) return -1; /* return EI_BADARG; */
tab = reg->tab;
if (!(obj=ei_hash_lookup(tab,key))) return -1; /* return EI_NOTFOUND; */
if (obj->attr & EI_DELET) return -1; /* return EI_NOTFOUND; */
/* if type was specified then it must match object */
objtype = ei_reg_typeof(obj);
if (flags && (flags != objtype)) return -1; /* return EI_TYPE; */
va_start(ap,flags);
switch ((rval = objtype)) {
case EI_INT: {
long *ip;
if (!(ip = va_arg(ap,long*))) rval = -1; /* EI_BADARG; */
else *ip = obj->val.i;
break;
}
case EI_FLT: {
double *fp;
if (!(fp = va_arg(ap,double*))) rval = -1; /* EI_BADARG; */
else *fp = obj->val.f;
break;
}
case EI_STR: {
char **sp;
if (!(sp = va_arg(ap,char**))) rval = -1; /* EI_BADARG; */
else *sp = obj->val.s;
break;
}
case EI_BIN: {
void **pp;
int *size;
if (!(pp = va_arg(ap,void**))) rval = -1; /* EI_BADARG; */
else *pp = obj->val.p;
if ((size=va_arg(ap,int*))) *size=obj->size;
break;
}
default:
/* can't (should never) happen */
rval = -1;
/* rval = EI_UNKNOWN; */
}
/* clean up & return */
va_end(ap);
return rval;
}
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