hio/bin/untar.c

66 lines
1.2 KiB
C

#include <hio-tar.h>
#include <hio-utl.h>
#include <stdio.h>
int main (int argc, char* argv[])
{
hio_t* hio;
hio_tar_t* untar;
FILE* fp;
if (argc != 2)
{
fprintf (stderr, "Usage: %s <filename>\n", hio_get_base_name_bcstr(argv[0]));
return -1;
}
hio = hio_open(HIO_NULL, 0, HIO_NULL, HIO_FEATURE_ALL, 512, HIO_NULL);
if (!hio)
{
fprintf (stderr, "Error: unable to open hio\n");
return -1;
}
untar = hio_tar_open(hio, 0);
if (!untar)
{
fprintf (stderr, "Error: unable to open untar\n");
hio_close (hio);
return -1;
}
fp = fopen(argv[1], "r");
if (!fp)
{
fprintf (stderr, "Error: unable to open file %s\n", argv[1]);
hio_tar_close (untar);
hio_close (hio);
return -1;
}
//hio_extract_tar(hio, argv[1]);
while (!feof(fp) && !ferror(fp))
{
int n;
char buf[512]; /* TODO: use a different buffer size???*/
n = fread(buf, 1, sizeof(buf), fp);
if (n > 0)
{
if (hio_tar_feed(untar, buf, n) <= -1)
{
fprintf (stderr, "Error: untar error - %s\n", hio_geterrbmsg(hio));
break;
}
}
}
hio_tar_feed (untar, HIO_NULL, 0); /* indicate the end of input */
fclose (fp);
hio_tar_close (untar);
hio_close (hio);
return 0;
}