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#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <linux/filter.h>
#include <unistd.h>
#include "disasm.h"
int main(int argc, char **argv)
{
struct sock_filter *filter;
size_t fd, n;
if (argc < 2) {
perror("missing input file");
exit(EXIT_FAILURE);
}
filter = calloc(SIZE_FILTER, sizeof(struct sock_filter));
fd = open(argv[1], O_CLOEXEC | O_RDONLY);
n = read(fd, filter, sizeof(struct sock_filter) * SIZE_FILTER);
close(fd);
printf("Read %ld entries\n", n / sizeof(struct sock_filter));
bpf_disasm_all(filter, n / sizeof(struct sock_filter));
free(filter);
return 0;
}
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