diff options
Diffstat (limited to 'util/cbfstool/compress.c')
| -rw-r--r-- | util/cbfstool/compress.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/util/cbfstool/compress.c b/util/cbfstool/compress.c new file mode 100644 index 0000000000..2222dab112 --- /dev/null +++ b/util/cbfstool/compress.c @@ -0,0 +1,57 @@ +/* + * 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: + fprintf(stderr, "E: Unknown compression algorithm %d!\n", algo); + return NULL; + } + return compress; +} |