jigit/extract-data.c

63 lines
1.4 KiB
C

#include <errno.h>
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <zlib.h>
#include <bzlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/mman.h>
#include "endian.h"
#include "md5.h"
#include "jigdo.h"
static FILE *logfile;
static zip_state_t zip_state;
int main(int argc, char **argv)
{
FILE *in_file, *out_file;
char *in_filename = argv[1];
char *out_filename = argv[2];
logfile = stderr;
if (argc < 2)
{
fprintf(stderr, "ERROR: Need input file and output filename\n");
return 1;
}
in_file = fopen(in_filename, "rb");
if (!in_file)
{
fprintf(stderr, "ERROR: Failed to open input file %s for reading, error %d\n", in_filename, errno);
return 1;
}
out_file = fopen(out_filename, "wb");
if (!out_file)
{
fprintf(stderr, "ERROR: Failed to open output file %s for writing, error %d\n", out_filename, errno);
return 1;
}
zip_state.total_offset = 0;
while (1)
{
if (read_data_block(in_file, logfile, &zip_state))
break;
fwrite(zip_state.data_buf, zip_state.buf_size, 1, out_file);
fprintf(stderr, "Wrote %lld bytes\n", zip_state.buf_size);
}
fclose(in_file);
fclose(out_file);
return 0;
}