random_.h

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00001 /*
00002   Copyright 1999-2020 ImageMagick Studio LLC, a non-profit organization
00003   dedicated to making software imaging solutions freely available.
00004   
00005   You may not use this file except in compliance with the License.  You may
00006   obtain a copy of the License at
00007   
00008     https://imagemagick.org/script/license.php
00009   
00010   Unless required by applicable law or agreed to in writing, software
00011   distributed under the License is distributed on an "AS IS" BASIS,
00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013   See the License for the specific language governing permissions and
00014   limitations under the License.
00015 
00016   MagickCore random methods.
00017 */
00018 #ifndef MAGICKCORE_RANDOM__H
00019 #define MAGICKCORE_RANDOM__H
00020 
00021 #include "magick/string_.h"
00022 
00023 #if defined(__cplusplus) || defined(c_plusplus)
00024 extern "C" {
00025 #endif
00026 
00027 /*
00028   Typedef declarations.
00029 */
00030 typedef struct _RandomInfo
00031   RandomInfo;
00032 
00033 /*
00034   Method declarations.
00035 */
00036 extern MagickExport double
00037   GetRandomValue(RandomInfo *),
00038   GetPseudoRandomValue(RandomInfo *magick_restrict);
00039 
00040 extern MagickExport MagickBooleanType
00041   RandomComponentGenesis(void);
00042 
00043 extern MagickExport RandomInfo
00044   *AcquireRandomInfo(void),
00045   *DestroyRandomInfo(RandomInfo *);
00046 
00047 extern MagickExport StringInfo
00048   *GetRandomKey(RandomInfo *,const size_t);
00049 
00050 extern MagickExport unsigned long
00051   GetRandomSecretKey(const RandomInfo *);
00052 
00053 extern MagickExport void
00054   RandomComponentTerminus(void),
00055   SeedPseudoRandomGenerator(const unsigned long),
00056   SetRandomKey(RandomInfo *,const size_t,unsigned char *),
00057   SetRandomSecretKey(const unsigned long),
00058   SetRandomTrueRandom(const MagickBooleanType);
00059 
00060 #if defined(__cplusplus) || defined(c_plusplus)
00061 }
00062 #endif
00063 
00064 #endif

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