/**
* Load signatures from a signature file into memory. Return a
* pointer to the newly allocated structure in SUMSET.
*
* \sa rs_readsig_begin()
*/
rs_result
rs_loadsig_file(FILE *sig_file, rs_signature_t **sumset, rs_stats_t *stats)
{
rs_job_t *job;
rs_result r;
job = rs_loadsig_begin(sumset);
r = rs_whole_run(job, sig_file, NULL);
if (stats)
memcpy(stats, &job->stats, sizeof *stats);
rs_job_free(job);
return r;
}
/**
* Generate the signature of a basis file, and write it out to
* another.
*
* \param new_block_len block size for signature generation, in bytes
*
* \param strong_len truncated length of strong checksums, in bytes
*
* \sa rs_sig_begin()
*/
rs_result
rs_sig_file(FILE *old_file, FILE *sig_file, size_t new_block_len,
size_t strong_len, rs_stats_t *stats)
{
rs_job_t *job;
rs_result r;
job = rs_sig_begin(new_block_len, strong_len);
r = rs_whole_run(job, old_file, sig_file);
if (stats)
memcpy(stats, &job->stats, sizeof *stats);
rs_job_free(job);
return r;
}
rs_result rs_patch_file(FILE *basis_file, FILE *delta_file, FILE *new_file,
rs_stats_t *stats)
{
rs_job_t *job;
rs_result r;
job = rs_patch_begin(rs_file_copy_cb, basis_file);
r = rs_whole_run(job, delta_file, new_file);
if (stats)
memcpy(stats, &job->stats, sizeof *stats);
rs_job_free(job);
return r;
}
rs_result
rs_delta_file(rs_signature_t *sig, FILE *new_file, FILE *delta_file,
rs_stats_t *stats)
{
rs_job_t *job;
rs_result r;
job = rs_delta_begin(sig);
r = rs_whole_run(job, new_file, delta_file);
if (stats)
memcpy(stats, &job->stats, sizeof *stats);
rs_job_free(job);
return r;
}
