int64_t lzbench_ucl_nrv2b_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t level, size_t, char*) { ucl_uint complen; int res = ucl_nrv2b_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &complen, NULL, level, NULL, NULL); if (res != UCL_E_OK) return 0; return complen; }
int upx_ucl_compress ( const upx_bytep src, unsigned src_len, upx_bytep dst, unsigned* dst_len, upx_callback_p cb_parm, int method, int level, const upx_compress_config_t *cconf_parm, upx_compress_result_t *cresult ) { int r; assert(level > 0); assert(cresult != NULL); COMPILE_TIME_ASSERT(sizeof(ucl_compress_config_t) == sizeof(REAL_ucl_compress_config_t)) ucl_progress_callback_t cb; cb.callback = 0; cb.user = NULL; if (cb_parm && cb_parm->nprogress) { cb.callback = wrap_nprogress_ucl; cb.user = cb_parm; } ucl_compress_config_t cconf; cconf.reset(); if (cconf_parm) memcpy(&cconf, &cconf_parm->conf_ucl, sizeof(cconf)); // cconf = cconf_parm->conf_ucl; // struct copy ucl_uint *res = cresult->result_ucl.result; // assume no info available - fill in worst case results //res[0] = 1; // min_offset_found - NOT USED res[1] = src_len - 1; // max_offset_found //res[2] = 2; // min_match_found - NOT USED res[3] = src_len - 1; // max_match_found //res[4] = 1; // min_run_found - NOT USED res[5] = src_len; // max_run_found res[6] = 1; // first_offset_found //res[7] = 999999; // same_match_offsets_found - NOT USED // prepare bit-buffer settings cconf.bb_endian = 0; cconf.bb_size = 0; if (method >= M_NRV2B_LE32 && method <= M_NRV2E_LE16) { static const unsigned char sizes[3] = {32, 8, 16}; cconf.bb_size = sizes[(method - M_NRV2B_LE32) % 3]; } else { throwInternalError("unknown compression method"); return UPX_E_ERROR; } // optimize compression parms if (level <= 3 && cconf.max_offset == UCL_UINT_MAX) cconf.max_offset = 8*1024-1; else if (level == 4 && cconf.max_offset == UCL_UINT_MAX) cconf.max_offset = 32*1024-1; if M_IS_NRV2B(method) r = ucl_nrv2b_99_compress(src, src_len, dst, dst_len, &cb, level, &cconf, res); else if M_IS_NRV2D(method)
static int process_zinfo_pack ( struct input_file *input, struct output_file *output, union zinfo_record *zinfo ) { struct zinfo_pack *pack = &zinfo->pack; size_t offset = pack->offset; size_t len = pack->len; unsigned long packed_len; if ( ( offset + len ) > input->len ) { fprintf ( stderr, "Input buffer overrun on pack\n" ); return -1; } output->len = align ( output->len, pack->align ); if ( output->len > output->max_len ) { fprintf ( stderr, "Output buffer overrun on pack\n" ); return -1; } if ( ucl_nrv2b_99_compress ( ( input->buf + offset ), len, ( output->buf + output->len ), &packed_len, 0 ) != UCL_E_OK ) { fprintf ( stderr, "Compression failure\n" ); return -1; } if ( DEBUG ) { fprintf ( stderr, "PACK [%#zx,%#zx) to [%#zx,%#zx)\n", offset, ( offset + len ), output->len, ( size_t )( output->len + packed_len ) ); } output->len += packed_len; if ( output->len > output->max_len ) { fprintf ( stderr, "Output buffer overrun on pack\n" ); return -1; } return 0; }
int64_t lzbench_ucl_compress(char *inbuf, size_t insize, char *outbuf, size_t outsize, size_t algo, size_t level, size_t) { ucl_uint complen; int res; switch (algo) { default: case 1: res = ucl_nrv2b_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &complen, NULL, level, NULL, NULL); break; case 2: res = ucl_nrv2d_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &complen, NULL, level, NULL, NULL); break; case 3: res = ucl_nrv2e_99_compress((uint8_t*)inbuf, insize, (uint8_t*)outbuf, &complen, NULL, level, NULL, NULL); break; } if (res != UCL_E_OK) return 0; return complen; }
int Compression::DoCompression(void *src, unsigned int lenSrc, void *dst, unsigned int lenDst) { #ifndef STAND_ALONE_GAME //Compress buf and put in src /*in.ir(src, lenSrc); out.iw(dst, lenDst); comp(); return out.getNBytes();*/ //Fast lzo compression //HEAP_ALLOC(wrkmem,LZO1X_1_MEM_COMPRESS); //lzo1x_1_compress((unsigned char *)src, lenSrc, (unsigned char *)dst, &lenDst, wrkmem); //Ucl if(!bUclOk) return lenSrc; if(ucl_nrv2b_99_compress((const unsigned char *)src, lenSrc, (unsigned char *)dst, (unsigned int *)&lenDst, NULL, 10, NULL, NULL) != UCL_E_OK) { return lenSrc; } if(lenDst >= lenSrc) { //No compression return lenSrc; } return lenDst; #else return lenSrc; #endif }
int main(int argc, char *argv[]) { int r; ucl_bytep in; ucl_bytep out; ucl_uint in_len; ucl_uint out_len; ucl_uint new_len; int level = 5; /* compression level (1-10) */ if (argc < 0 && argv == NULL) /* avoid warning about unused args */ return 0; printf("\nUCL data compression library (v%s, %s).\n", ucl_version_string(), ucl_version_date()); printf("Copyright (C) 1996-2003 Markus Franz Xaver Johannes Oberhumer\n"); printf("http://www.oberhumer.com/opensource/ucl/\n\n"); /* * Step 1: initialize the UCL library */ if (ucl_init() != UCL_E_OK) { printf("internal error - ucl_init() failed !!!\n"); printf("(this usually indicates a compiler bug - try recompiling\nwithout optimizations, and enable `-DUCL_DEBUG' for diagnostics)\n"); return 1; } /* * Step 2: setup memory * * We want to compress the data block at `in' with length `in_len' to * the block at `out'. Because the input block may be incompressible, * we must provide a little more output space in case that compression * is not possible. */ in_len = 256 * 1024L; #if defined(ACC_MM_AHSHIFT) /* reduce memory requirements for ancient 640kB DOS real-mode */ if (ACC_MM_AHSHIFT != 3) in_len = 16 * 1024L; #endif out_len = in_len + in_len / 8 + 256; in = (ucl_bytep) ucl_malloc(in_len); out = (ucl_bytep) ucl_malloc(out_len); if (in == NULL || out == NULL) { printf("out of memory\n"); return 2; } /* * Step 3: prepare the input block that will get compressed. * We just fill it with zeros in this example program, * but you would use your real-world data here. */ ucl_memset(in, 0, in_len); /* * Step 4: compress from `in' to `out' with UCL NRV2B */ r = ucl_nrv2b_99_compress(in,in_len,out,&out_len,NULL,level,NULL,NULL); if (r == UCL_E_OUT_OF_MEMORY) { printf("out of memory in compress\n"); return 3; } if (r == UCL_E_OK) printf("compressed %lu bytes into %lu bytes\n", (long) in_len, (long) out_len); else { /* this should NEVER happen */ printf("internal error - compression failed: %d\n", r); return 4; } /* check for an incompressible block */ if (out_len >= in_len) { printf("This block contains incompressible data.\n"); return 0; } /* * Step 5: decompress again, now going back from `out' to `in' */ new_len = in_len; #if defined(UCL_USE_ASM) r = ucl_nrv2b_decompress_asm_8(out,out_len,in,&new_len,NULL); #else r = ucl_nrv2b_decompress_8(out,out_len,in,&new_len,NULL); #endif if (r == UCL_E_OK && new_len == in_len) printf("decompressed %lu bytes back into %lu bytes\n", (long) out_len, (long) in_len); else { /* this should NEVER happen */ printf("internal error - decompression failed: %d\n", r); return 5; } ucl_free(out); ucl_free(in); printf("\n"); #if defined(UCL_USE_ASM) printf("i386 assembler version is enabled.\n"); #endif printf("Simple compression test passed.\n"); return 0; }