forked from Mirrors/freeswitch
0488a5109a
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3733 d0543943-73ff-0310-b7d9-9358b9ac24b2
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define APR_WANT_MEMFUNC
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#include "apr_want.h"
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#include "apr_general.h"
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#include "apr_private.h"
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#if APR_HAS_RANDOM
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#include <nks/plat.h>
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static int NXSeedRandomInternal( size_t width, void *seed )
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{
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static int init = 0;
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int *s = (int *) seed;
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union { int x; char y[4]; } u;
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if (!init) {
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srand(NXGetSystemTick());
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init = 1;
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}
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if (width > 3)
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{
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do
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{
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*s++ = rand();
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}
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while ((width -= 4) > 3);
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}
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if (width > 0)
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{
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char *p = (char *) s;
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u.x = rand();
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while (width > 0)
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*p++ = u.y[width--];
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}
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_generate_random_bytes(unsigned char *buf,
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apr_size_t length)
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{
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if (NXSeedRandom(length, buf) != 0) {
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return NXSeedRandomInternal (length, buf);
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}
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return APR_SUCCESS;
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}
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#endif /* APR_HAS_RANDOM */
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