| /* |
| * compression handling for cbfstool |
| * |
| * Copyright (C) 2009 coresystems GmbH |
| * written by Patrick Georgi <patrick.georgi@coresystems.de> |
| * |
| * Adapted from code |
| * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>, released |
| * under identical license terms |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA |
| */ |
| |
| #include <string.h> |
| #include <stdio.h> |
| #include "common.h" |
| |
| extern void do_lzma_compress(char *in, int in_len, char *out, int *out_len); |
| |
| void lzma_compress(char *in, int in_len, char *out, int *out_len) |
| { |
| do_lzma_compress(in, in_len, out, out_len); |
| } |
| |
| void none_compress(char *in, int in_len, char *out, int *out_len) |
| { |
| memcpy(out, in, in_len); |
| *out_len = in_len; |
| } |
| |
| comp_func_ptr compression_function(comp_algo algo) |
| { |
| comp_func_ptr compress; |
| switch (algo) { |
| case CBFS_COMPRESS_NONE: |
| compress = none_compress; |
| break; |
| case CBFS_COMPRESS_LZMA: |
| compress = lzma_compress; |
| break; |
| default: |
| ERROR("Unknown compression algorithm %d!\n", algo); |
| return NULL; |
| } |
| return compress; |
| } |