| /* Copyright 2000-2005 The Apache Software Foundation or its licensors, as |
| * applicable. |
| * |
| * 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. |
| */ |
| |
| #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 */ |