static rs_result rdiff_patch(poptContext opcon)
{
/* patch BASIS [DELTA [NEWFILE]] */
FILE *basis_file, *delta_file, *new_file;
char const *basis_name;
rs_stats_t stats;
rs_result result;
if (!(basis_name = poptGetArg(opcon))) {
rdiff_usage("Usage for patch: "
"rdiff [OPTIONS] patch BASIS [DELTA [NEW]]");
return RS_SYNTAX_ERROR;
}
basis_file = rs_file_open(basis_name, "rb");
delta_file = rs_file_open(poptGetArg(opcon), "rb");
new_file = rs_file_open(poptGetArg(opcon), "wb");
rdiff_no_more_args(opcon);
result = rs_patch_file(basis_file, delta_file, new_file, &stats);
rs_file_close(new_file);
rs_file_close(delta_file);
rs_file_close(basis_file);
if (show_stats)
rs_log_stats(&stats);
return result;
}
static rs_result rdiff_delta(poptContext opcon)
{
FILE *sig_file, *new_file, *delta_file;
char const *sig_name;
rs_result result;
rs_signature_t *sumset;
rs_stats_t stats;
if (!(sig_name = poptGetArg(opcon))) {
rdiff_usage("Usage for delta: "
"rdiff [OPTIONS] delta SIGNATURE [NEWFILE [DELTA]]");
return RS_SYNTAX_ERROR;
}
sig_file = rs_file_open(sig_name, "rb");
new_file = rs_file_open(poptGetArg(opcon), "rb");
delta_file = rs_file_open(poptGetArg(opcon), "wb");
rdiff_no_more_args(opcon);
result = rs_loadsig_file(sig_file, &sumset, &stats);
if (result != RS_DONE)
return result;
if (show_stats)
rs_log_stats(&stats);
if ((result = rs_build_hash_table(sumset)) != RS_DONE)
return result;
result = rs_delta_file(sumset, new_file, delta_file, &stats);
rs_free_sumset(sumset);
rs_file_close(delta_file);
rs_file_close(new_file);
rs_file_close(sig_file);
if (show_stats)
rs_log_stats(&stats);
return result;
}
/**
* Generate signature from remaining command line arguments.
*/
static rs_result rdiff_sig(poptContext opcon)
{
FILE *basis_file, *sig_file;
rs_stats_t stats;
rs_result result;
basis_file = rs_file_open(poptGetArg(opcon), "rb");
sig_file = rs_file_open(poptGetArg(opcon), "wb");
rdiff_no_more_args(opcon);
result = rs_sig_file(basis_file, sig_file, block_len, strong_len, &stats);
if (result != RS_DONE)
return result;
if (show_stats)
rs_log_stats(&stats);
return result;
}