int exomizer(unsigned char *srcbuf, int len, int load, int start, unsigned char *destbuf)
{
int destlen;
int max_offset = 65536;
int max_passes = 65536;
static match_ctx ctx;
encode_match_data emd;
encode_match_priv optimal_priv;
search_nodep snp;
match_ctx_init(ctx, srcbuf, len, max_offset);
emd->out = NULL;
emd->priv = optimal_priv;
optimal_init(emd);
snp = do_compress(ctx, emd, max_passes);
destlen = generate_output(ctx, snp, sfx_c64ne, optimal_encode, emd,
load, len, start, destbuf);
optimal_free(emd);
#if 0 /* RH */
search_node_free(snp);
#endif /* RH */
match_ctx_free(ctx);
return destlen;
}
void crunch_backwards(struct membuf *inbuf,
struct membuf *outbuf,
struct crunch_options *options, /* IN */
struct crunch_info *info) /* OUT */
{
static match_ctx ctx;
encode_match_data emd;
search_nodep snp;
int outlen;
int safety;
int copy_used;
if(options == NULL)
{
options = default_options;
}
outlen = membuf_memlen(outbuf);
emd->out = NULL;
optimal_init(emd);
LOG(LOG_NORMAL,
("\nPhase 1: Instrumenting file"
"\n-----------------------------\n"));
LOG(LOG_NORMAL, (" Length of indata: %d bytes.\n", membuf_memlen(inbuf)));
match_ctx_init(ctx, inbuf, options->max_len, options->max_offset,
options->use_imprecise_rle);
LOG(LOG_NORMAL, (" Instrumenting file, done.\n"));
emd->out = NULL;
optimal_init(emd);
LOG(LOG_NORMAL,
("\nPhase 2: Calculating encoding"
"\n-----------------------------\n"));
snp = do_compress(ctx, emd, options->exported_encoding,
options->max_passes, options->use_literal_sequences);
LOG(LOG_NORMAL, (" Calculating encoding, done.\n"));
LOG(LOG_NORMAL,
("\nPhase 3: Generating output file"
"\n------------------------------\n"));
LOG(LOG_NORMAL, (" Encoding: %s\n", optimal_encoding_export(emd)));
safety = do_output(ctx, snp, emd, optimal_encode, outbuf, ©_used);
LOG(LOG_NORMAL, (" Length of crunched data: %d bytes.\n",
membuf_memlen(outbuf) - outlen));
optimal_free(emd);
search_node_free(snp);
match_ctx_free(ctx);
if(info != NULL)
{
info->literal_sequences_used = copy_used;
info->needed_safety_offset = safety;
}
}