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/*
* Copyright (c) Christos Zoulas 2003.
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice immediately at the beginning of the file, without modification,
* this list of conditions, and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "magic.h"
static void *
xrealloc(void *p, size_t n)
{
p = realloc(p, n);
if (p == NULL) {
(void)fprintf(stderr, "ERROR slurping file: out of memory\n");
exit(10);
}
return p;
}
static char *
slurp(FILE *fp, size_t *final_len)
{
size_t len = 256;
int c;
char *l = (char *)xrealloc(NULL, len), *s = l;
for (c = getc(fp); c != EOF; c = getc(fp)) {
if (s == l + len) {
l = (char *)xrealloc(l, len * 2);
len *= 2;
}
*s++ = c;
}
if (s == l + len)
l = (char *)xrealloc(l, len + 1);
*s++ = '\0';
*final_len = s - l;
l = (char *)xrealloc(l, s - l);
return l;
}
int
main(int argc, char **argv)
{
struct magic_set *ms;
const char *result;
char *desired;
size_t desired_len;
int i;
FILE *fp;
ms = magic_open(MAGIC_NONE);
if (ms == NULL) {
(void)fprintf(stderr, "ERROR opening MAGIC_NONE: out of memory\n");
return 10;
}
if (magic_load(ms, NULL) == -1) {
(void)fprintf(stderr, "ERROR loading with NULL file: %s\n", magic_error(ms));
return 11;
}
if (argc > 1) {
if (argc != 3) {
(void)fprintf(stderr, "Usage: test TEST-FILE RESULT\n");
} else {
if ((result = magic_file(ms, argv[1])) == NULL) {
(void)fprintf(stderr, "ERROR loading file %s: %s\n", argv[1], magic_error(ms));
return 12;
} else {
fp = fopen(argv[2], "r");
if (fp == NULL) {
(void)fprintf(stderr, "ERROR opening `%s': ", argv[2]);
perror(NULL);
return 13;
}
desired = slurp(fp, &desired_len);
fclose(fp);
(void)printf("%s: %s\n", argv[1], result);
if (strcmp(result, desired) != 0) {
(void)fprintf(stderr, "Error: result was\n%s\nexpected:\n%s\n", result, desired);
return 1;
}
}
}
}
magic_close(ms);
return 0;
}
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