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)); }