annotate power.cpp @ 492:f6b126b018d8 api-inversion

Yet more audiodb_query() deletions.

Also delete the libtests/notes file, with its misleading and wrong
questions, to avoid further confusion.

#include "audioDB.h"
extern "C" {
#include "audioDB_API.h"
#include "audioDB-internals.h"
}

int audiodb_power(adb_t *adb) {
  if(!(adb->flags & O_RDWR)) {
    return 1;
  }
  if(adb->header->length > 0) {
    return 1;
  }

  adb->header->flags |= O2_FLAG_POWER;
  return audiodb_sync_header(adb);
}