1 /* $OpenBSD: magic.h,v 1.4 2009/04/24 18:54:34 chl Exp $ */ 2 /* 3 * Copyright (c) Christos Zoulas 2003. 4 * All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice immediately at the beginning of the file, without modification, 11 * this list of conditions, and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #ifndef _MAGIC_H 29 #define _MAGIC_H 30 31 #include <sys/types.h> 32 33 #define MAGIC_NONE 0x000000 /* No flags */ 34 #define MAGIC_DEBUG 0x000001 /* Turn on debugging */ 35 #define MAGIC_SYMLINK 0x000002 /* Follow symlinks */ 36 #define MAGIC_COMPRESS 0x000004 /* Check inside compressed files */ 37 #define MAGIC_DEVICES 0x000008 /* Look at the contents of devices */ 38 #define MAGIC_MIME_TYPE 0x000010 /* Return only the MIME type */ 39 #define MAGIC_CONTINUE 0x000020 /* Return all matches */ 40 #define MAGIC_CHECK 0x000040 /* Print warnings to stderr */ 41 #define MAGIC_PRESERVE_ATIME 0x000080 /* Restore access time on exit */ 42 #define MAGIC_RAW 0x000100 /* Don't translate unprint chars */ 43 #define MAGIC_ERROR 0x000200 /* Handle ENOENT etc as real errors */ 44 #define MAGIC_MIME_ENCODING 0x000400 /* Return only the MIME encoding */ 45 #define MAGIC_MIME (MAGIC_MIME_TYPE|MAGIC_MIME_ENCODING) 46 #define MAGIC_NO_CHECK_COMPRESS 0x001000 /* Don't check for compressed files */ 47 #define MAGIC_NO_CHECK_TAR 0x002000 /* Don't check for tar files */ 48 #define MAGIC_NO_CHECK_SOFT 0x004000 /* Don't check magic entries */ 49 #define MAGIC_NO_CHECK_APPTYPE 0x008000 /* Don't check application type */ 50 #define MAGIC_NO_CHECK_ELF 0x010000 /* Don't check for elf details */ 51 #define MAGIC_NO_CHECK_ASCII 0x020000 /* Don't check for ascii files */ 52 #define MAGIC_NO_CHECK_TOKENS 0x100000 /* Don't check ascii/tokens */ 53 54 /* Defined for backwards compatibility; do nothing */ 55 #define MAGIC_NO_CHECK_FORTRAN 0x000000 /* Don't check ascii/fortran */ 56 #define MAGIC_NO_CHECK_TROFF 0x000000 /* Don't check ascii/troff */ 57 58 59 #ifdef __cplusplus 60 extern "C" { 61 #endif 62 63 typedef struct magic_set *magic_t; 64 magic_t magic_open(int); 65 void magic_close(magic_t); 66 67 const char *magic_file(magic_t, const char *); 68 const char *magic_descriptor(magic_t, int); 69 const char *magic_buffer(magic_t, const void *, size_t); 70 71 const char *magic_error(magic_t); 72 int magic_setflags(magic_t, int); 73 74 int magic_load(magic_t, const char *); 75 int magic_compile(magic_t, const char *); 76 int magic_check(magic_t, const char *); 77 int magic_errno(magic_t); 78 79 #ifdef __cplusplus 80 }; 81 #endif 82 83 #endif /* _MAGIC_H */ 84