xref: /openbsd/usr.bin/file/magic-dump.c (revision c673ceb0)
1 /* $OpenBSD: magic-dump.c,v 1.2 2016/05/01 10:56:03 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2015 Nicholas Marriott <nicm@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <stdio.h>
22 
23 #include "magic.h"
24 
25 static void
magic_dump_line(struct magic_line * ml,u_int depth)26 magic_dump_line(struct magic_line *ml, u_int depth)
27 {
28 	struct magic_line	*child;
29 	u_int			 i;
30 
31 	printf("%u", ml->line);
32 	for (i = 0; i < depth; i++)
33 		printf(">");
34 	if (ml->name != NULL)
35 		printf(" %s %s\n", ml->type_string, ml->name);
36 	else {
37 		printf(" %s/%s%s%s%s [%u]%s\n", ml->type_string,
38 		    ml->result == NULL ? "" : ml->result,
39 		    ml->mimetype == NULL ? "" : " (",
40 		    ml->mimetype == NULL ? "" : ml->mimetype,
41 		    ml->mimetype == NULL ? "" : ")",
42 		    ml->strength, ml->text ? " (text)" : "");
43 	}
44 
45 	TAILQ_FOREACH(child, &ml->children, entry)
46 		magic_dump_line(child, depth + 1);
47 
48 }
49 
50 void
magic_dump(struct magic * m)51 magic_dump(struct magic *m)
52 {
53 	struct magic_line	*ml;
54 
55 	RB_FOREACH(ml, magic_tree, &m->tree)
56 		magic_dump_line(ml, 0);
57 
58 	RB_FOREACH(ml, magic_named_tree, &m->named)
59 		magic_dump_line(ml, 0);
60 }
61