actube/src/cw/cw_ktv_add.c

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2022-07-31 17:15:32 +02:00
#include "val.h"
#include "cw.h"
#include "log.h"
#include "dbg.h"
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cw_Val_t * cw_ktv_add(mavl_t kvtstore, const char *key, const struct cw_Type *type,
const void * valguard,
const uint8_t * data, int len)
{
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cw_Val_t mdata, *mresult;
int exists;
mdata.key=cw_strdup(key);
mdata.valguard=valguard;
if (!mdata.key){
cw_log(LOG_ERR, "Can't allocate memory for KTV key %s: %s",
key,strerror(errno));
return NULL;
}
mresult = type->get(&mdata,data,len);
if (!mresult){
cw_log(LOG_ERR, "Can't create kvstore element for key %s of type %s: %s",
key,type->name, strerror(errno));
free(mdata.key);
return NULL;
}
mavl_del(kvtstore,&mdata);
mresult = mavl_insert(kvtstore, &mdata, &exists);
if (exists){
cw_log(LOG_ERR, "Element already exists %s", key);
/* element already exists */
free(mdata.key);
if (type->del)
type->del(&mdata);
return mresult;
}
return mresult;
}