magic.h

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00001 /*
00002   Copyright 1999-2019 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 magic methods.
00017 */
00018 #ifndef MAGICKCORE_MAGIC_H
00019 #define MAGICKCORE_MAGIC_H
00020 
00021 #if defined(__cplusplus) || defined(c_plusplus)
00022 extern "C" {
00023 #endif
00024 
00025 typedef struct _MagicInfo
00026 {
00027   char
00028     *path,
00029     *name,
00030     *target;
00031 
00032   unsigned char
00033     *magic;
00034 
00035   size_t
00036     length;
00037 
00038   MagickOffsetType
00039     offset;
00040 
00041   MagickBooleanType
00042     exempt,
00043     stealth;
00044 
00045   struct _MagicInfo
00046     *previous,
00047     *next;  /* deprecated, use GetMagicInfoList() */
00048 
00049   size_t
00050     signature;
00051 } MagicInfo;
00052 
00053 extern MagickExport char
00054   **GetMagicList(const char *,size_t *,ExceptionInfo *);
00055 
00056 extern MagickExport const char
00057   *GetMagicName(const MagicInfo *);
00058 
00059 extern MagickExport MagickBooleanType
00060   ListMagicInfo(FILE *,ExceptionInfo *),
00061   MagicComponentGenesis(void);
00062 
00063 extern MagickExport const MagicInfo
00064   *GetMagicInfo(const unsigned char *,const size_t,ExceptionInfo *),
00065   **GetMagicInfoList(const char *,size_t *,ExceptionInfo *);
00066 
00067 extern MagickExport void
00068   MagicComponentTerminus(void);
00069 
00070 #if defined(__cplusplus) || defined(c_plusplus)
00071 }
00072 #endif
00073 
00074 #endif

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