int64_t lzbench_lzo1a_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t level, size_t, char* workmem)
{
lzo_uint lzo_complen = 0;
int res;
if (!workmem)
return 0;
if (level == 99)
res = lzo1a_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &lzo_complen, (void*)workmem);
else
res = lzo1a_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &lzo_complen, (void*)workmem);
if (res != LZO_E_OK) return 0;
return lzo_complen;
}
compr *lzo_compress(unsigned char *buf, int buflen)
{
int r;
lzo_bytep in;
lzo_bytep out;
lzo_bytep wrkmem;
lzo_uint out_len;
compr *retdata;
pthread_mutex_lock(&lzo_mutex);
retdata = s_malloc(sizeof(compr));
in = (lzo_bytep) buf;
out = (lzo_bytep) lzo_malloc(OUT_LEN);
wrkmem = (lzo_bytep) lzo_malloc(LZO1A_MEM_COMPRESS);
if (in == NULL || out == NULL || wrkmem == NULL) {
LFATAL("out of memory\n");
exit(3);
}
r = lzo1a_compress(in, buflen, out, &out_len, wrkmem);
if (r != LZO_E_OK) {
/* this should NEVER happen */
LFATAL("internal error - compression failed: %d\n", r);
exit(2);
}
// LDEBUG("Compressed %i bytes to %lu bytes",buflen,(unsigned long)out_len);
if ( out_len > buflen ) {
retdata->data = s_malloc(buflen+1);
memcpy(&retdata->data[1], buf, buflen);
retdata->size = buflen+1;
retdata->data[0]=0;
} else {
retdata->data = s_malloc(out_len+1);
retdata->size = out_len+1;
memcpy(&retdata->data[1], out, out_len);
retdata->data[0]='L';
}
lzo_free(wrkmem);
lzo_free(out);
pthread_mutex_unlock(&lzo_mutex);
return retdata;
}
