1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 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 51 #define MAGIC_USER (1L<<16) /* first user flag bit */ 52 53 struct Magic_s; 54 struct Magicdisc_s; 55 56 typedef struct Magicdisc_s 57 { 58 unsigned long version; /* interface version */ 59 unsigned long flags; /* MAGIC_* flags */ 60 Error_f errorf; /* error function */ 61 } Magicdisc_t; 62 63 typedef struct Magic_s 64 { 65 const char* id; /* library id string */ 66 67 #ifdef _MAGIC_PRIVATE_ 68 _MAGIC_PRIVATE_ 69 #endif 70 71 } Magic_t; 72 73 #if _BLD_ast && defined(__EXPORT__) 74 #define extern __EXPORT__ 75 #endif 76 77 extern Magic_t* magicopen(Magicdisc_t*); 78 extern int magicload(Magic_t*, const char*, unsigned long); 79 extern int magiclist(Magic_t*, Sfio_t*); 80 extern char* magictype(Magic_t*, Sfio_t*, const char*, struct stat*); 81 extern int magicclose(Magic_t*); 82 83 #undef extern 84 85 #endif 86