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/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
#define APR_WANT_MEMFUNC
#include "apr_want.h"
#include "apr_general.h"
#include "apr_private.h"
#if APR_HAS_RANDOM
#include <nks/plat.h>
static int NXSeedRandomInternal( size_t width, void *seed )
{
static int init = 0;
int *s = (int *) seed;
union { int x; char y[4]; } u;
if (!init) {
srand(NXGetSystemTick());
init = 1;
}
if (width > 3)
{
do
{
*s++ = rand();
}
while ((width -= 4) > 3);
}
if (width > 0)
{
char *p = (char *) s;
u.x = rand();
while (width > 0)
*p++ = u.y[width--];
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_generate_random_bytes(unsigned char *buf,
apr_size_t length)
{
if (NXSeedRandom(length, buf) != 0) {
return NXSeedRandomInternal (length, buf);
}
return APR_SUCCESS;
}
#endif /* APR_HAS_RANDOM */
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