1 /*
2 * Copyright (c) Christos Zoulas 2003.
3 * All Rights Reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice immediately at the beginning of the file, without modification,
10 * this list of conditions, and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include "magic.h"
32
33 static void *
xrealloc(void * p,size_t n)34 xrealloc(void *p, size_t n)
35 {
36 p = realloc(p, n);
37 if (p == NULL) {
38 (void)fprintf(stderr, "ERROR slurping file: out of memory\n");
39 exit(10);
40 }
41 return p;
42 }
43
44 static char *
slurp(FILE * fp,size_t * final_len)45 slurp(FILE *fp, size_t *final_len)
46 {
47 size_t len = 256;
48 int c;
49 char *l = (char *)xrealloc(NULL, len), *s = l;
50
51 for (c = getc(fp); c != EOF; c = getc(fp)) {
52 if (s == l + len) {
53 l = (char *)xrealloc(l, len * 2);
54 len *= 2;
55 }
56 *s++ = c;
57 }
58 if (s == l + len)
59 l = (char *)xrealloc(l, len + 1);
60 *s++ = '\0';
61
62 *final_len = s - l;
63 l = (char *)xrealloc(l, s - l);
64 return l;
65 }
66
67 int
main(int argc,char ** argv)68 main(int argc, char **argv)
69 {
70 struct magic_set *ms;
71 const char *result;
72 char *desired;
73 size_t desired_len;
74 int i;
75 FILE *fp;
76
77 ms = magic_open(MAGIC_NONE);
78 if (ms == NULL) {
79 (void)fprintf(stderr, "ERROR opening MAGIC_NONE: out of memory\n");
80 return 10;
81 }
82 if (magic_load(ms, NULL) == -1) {
83 (void)fprintf(stderr, "ERROR loading with NULL file: %s\n",
84 magic_error(ms));
85 return 11;
86 }
87
88 if (argc > 1) {
89 if (argc != 3) {
90 (void)fprintf(stderr, "Usage: test TEST-FILE RESULT\n");
91 } else {
92 if ((result = magic_file(ms, argv[1])) == NULL) {
93 (void)fprintf(stderr, "ERROR loading file %s: %s\n", argv[1], magic_error(ms));
94 return 12;
95 } else {
96 fp = fopen(argv[2], "r");
97 if (fp == NULL) {
98 (void)fprintf(stderr, "ERROR opening `%s': ", argv[2]);
99 perror(NULL);
100 return 13;
101 }
102 desired = slurp(fp, &desired_len);
103 fclose(fp);
104 (void)printf("%s: %s\n", argv[1], result);
105 if (strcmp(result, desired) != 0) {
106 (void)fprintf(stderr, "Error: result was\n%s\nexpected:\n%s\n", result, desired);
107 return 1;
108 }
109 }
110 }
111 }
112
113 magic_close(ms);
114 return 0;
115 }
116