1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * Glenn Fowler 25 * AT&T Research 26 * 27 * magic interface definitions 28 */ 29 30#ifndef _MAGIC_H 31#define _MAGIC_H 32 33#include <sfio.h> 34#include <ls.h> 35 36#define MAGIC_VERSION 19961031L 37 38#ifndef MAGIC_FILE 39#define MAGIC_FILE "lib/file/magic" 40#endif 41 42#ifndef MAGIC_DIR 43#define MAGIC_DIR "lib/file" 44#endif 45 46#define MAGIC_FILE_ENV "MAGICFILE" 47 48#define MAGIC_MIME (1<<0) /* magictype returns MIME type */ 49#define MAGIC_VERBOSE (1<<1) /* verbose magic file errors */ 50#define MAGIC_ALL (1<<2) /* list all table matches */ 51 52#define MAGIC_USER (1L<<16) /* first user flag bit */ 53 54struct Magic_s; 55struct Magicdisc_s; 56 57typedef struct Magicdisc_s 58{ 59 unsigned long version; /* interface version */ 60 unsigned long flags; /* MAGIC_* flags */ 61 Error_f errorf; /* error function */ 62} Magicdisc_t; 63 64typedef struct Magic_s 65{ 66 const char* id; /* library id string */ 67 68#ifdef _MAGIC_PRIVATE_ 69 _MAGIC_PRIVATE_ 70#endif 71 72} Magic_t; 73 74#if _BLD_ast && defined(__EXPORT__) 75#define extern __EXPORT__ 76#endif 77 78extern Magic_t* magicopen(Magicdisc_t*); 79extern int magicload(Magic_t*, const char*, unsigned long); 80extern int magiclist(Magic_t*, Sfio_t*); 81extern char* magictype(Magic_t*, Sfio_t*, const char*, struct stat*); 82extern int magicclose(Magic_t*); 83 84#undef extern 85 86#endif 87