int
archive_read_support_compression_program_signature(struct archive *a,
const char *cmd, const void *signature, size_t signature_len)
{
return archive_read_support_filter_program_signature(a,
cmd, signature, signature_len);
}
int
archive_read_append_filter_program_signature(struct archive *_a,
const char *cmd, const void *signature, size_t signature_len)
{
int r, number_bidders, i;
struct archive_read_filter_bidder *bidder;
struct archive_read_filter *filter;
struct archive_read *a = (struct archive_read *)_a;
if (archive_read_support_filter_program_signature(_a, cmd, signature,
signature_len) != (ARCHIVE_OK))
return (ARCHIVE_FATAL);
number_bidders = sizeof(a->bidders) / sizeof(a->bidders[0]);
bidder = a->bidders;
for (i = 0; i < number_bidders; i++, bidder++)
{
/* Program bidder name set to filter name after initialization */
if (bidder->data && !bidder->name)
break;
}
if (!bidder->data)
{
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
"Internal error: Unable to append program filter");
return (ARCHIVE_FATAL);
}
filter
= (struct archive_read_filter *)calloc(1, sizeof(*filter));
if (filter == NULL)
{
archive_set_error(&a->archive, ENOMEM, "Out of memory");
return (ARCHIVE_FATAL);
}
filter->bidder = bidder;
filter->archive = a;
filter->upstream = a->filter;
a->filter = filter;
r = (bidder->init)(a->filter);
if (r != ARCHIVE_OK) {
__archive_read_close_filters(a);
__archive_read_free_filters(a);
return (ARCHIVE_FATAL);
}
bidder->name = a->filter->name;
a->bypass_filter_bidding = 1;
return r;
}
int
archive_read_support_filter_program(struct archive *a, const char *cmd)
{
return (archive_read_support_filter_program_signature(a, cmd, NULL, 0));
}
